/* ═══ EatFitAI Premium Design Tokens ═══ */
:root {
  --bg-primary: #05070d;     /* Premium Mesh Dark Base */
  --bg-secondary: #0b0e17;   /* Premium Mesh Lighter Base */
  --bg-card: rgba(11, 14, 23, 0.75);
  --bg-card-hover: rgba(16, 20, 32, 0.9);

  --brand-primary: #0F9F68;  /* Forest Emerald */
  --brand-hover: #0C7A50;
  --brand-glow: rgba(15, 159, 104, 0.15);

  --accent-amber: #D4AF37;   /* Amber Gold */
  --accent-amber-glow: rgba(212, 175, 55, 0.1);
  --accent-teal: #2A9D8F;
  --accent-cyan: #32d7f0;
  --accent-cyan-glow: rgba(50, 215, 240, 0.12);
  --accent-violet: #9d7cff;
  --accent-violet-glow: rgba(157, 124, 255, 0.08);

  --text-main: #F4F4F0;      /* Soft Cream Ivory */
  --text-muted: #9FA2A6;
  --text-dim: #606266;

  --border-light: rgba(244, 244, 240, 0.05);
  --border-hover: rgba(15, 159, 104, 0.25);

  --font-family: 'Plus Jakarta Sans', 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
  --font-mono: 'SF Mono', Consolas, Menlo, monospace;

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 24px;
  --r-pill: 999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 16px 50px rgba(0, 0, 0, 0.8);

  --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-bounce: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ═══ Reset & Global Styles ═══ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* ═══ Background Decorative Elements ═══ */
.bg-grid-pattern {
  position: fixed;
  inset: 0;
  background:
    linear-gradient(135deg, transparent 0 23%, rgba(255, 255, 255, 0.015) 23.2% 36%, transparent 36.2%),
    radial-gradient(circle at 50% 38%, rgba(255, 255, 255, 0.02) 0 1px, transparent 1.4px),
    linear-gradient(rgba(255, 255, 255, 0.01) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.008) 1px, transparent 1px);
  background-size: auto, 28px 28px, 56px 56px, 56px 56px;
  opacity: 0.65;
  pointer-events: none;
  z-index: -2;
}

.bg-glow-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  z-index: -1;
}

.bg-glow-sphere {
  position: absolute;
  border-radius: 50%;
  filter: blur(130px);
  pointer-events: none;
  z-index: -1;
  opacity: 0.35;
  mix-blend-mode: plus-lighter;
  animation: glowPulse 12s infinite alternate ease-in-out;
}

.glow-green-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(15, 159, 104, 0.12) 0%, transparent 70%);
  top: -150px;
  left: -250px;
}

.glow-cyan-1 {
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(50, 215, 240, 0.09) 0%, transparent 70%);
  top: 150px;
  right: -200px;
  animation-delay: -3s;
}

.glow-violet-1 {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(157, 124, 255, 0.07) 0%, transparent 70%);
  top: 1100px;
  left: -150px;
  animation-delay: -6s;
}

.glow-green-2 {
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(15, 159, 104, 0.08) 0%, transparent 70%);
  top: 2000px;
  right: -80px;
  animation-delay: -2s;
}

.glow-cyan-2 {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(50, 215, 240, 0.08) 0%, transparent 70%);
  bottom: 100px;
  left: calc(50% - 350px);
  animation-delay: -4s;
}

@keyframes glowPulse {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 0.4;
  }
  100% {
    transform: translate(30px, -20px) scale(1.1);
    opacity: 0.55;
  }
}

/* Elegant custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #25272b;
  border-radius: var(--r-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--brand-primary);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

img {
  max-width: 100%;
  display: block;
}

button, input, select, textarea {
  font-family: inherit;
  color: inherit;
  background: none;
  border: none;
}

.code-font {
  font-family: var(--font-mono);
  font-size: 0.85em;
}



/* ═══ Floating Navbar ═══ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 99;
  padding: 20px 0;
  transition: var(--transition-smooth);
}

.site-header.scrolled {
  padding: 12px 0;
  background: rgba(10, 11, 13, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  border-radius: 8px;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-text strong {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-main);
  line-height: 1.1;
}

.brand-text span {
  font-size: 0.72rem;
  color: var(--brand-primary);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 8px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-light);
  border-radius: var(--r-pill);
  padding: 4px;
}

.mobile-only-link {
  display: none !important;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--r-pill);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
}

.nav-links a:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

.nav-icon {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  stroke-width: 2.5;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.nav-links a:hover .nav-icon,
.nav-links a.active .nav-icon {
  transform: scale(1.15) rotate(5deg);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-actions .btn-nav {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border-radius: var(--r-pill);
  background: var(--brand-primary);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  box-shadow: 0 4px 12px var(--brand-glow);
  flex-shrink: 0; /* Ngăn nút Tải APK bị co cụm làm biến dạng chữ */
  white-space: nowrap; /* Giữ chữ trên một hàng ngang */
}

.nav-actions .btn-nav:hover {
  background: var(--brand-hover);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.menu-toggle .bar {
  width: 22px;
  height: 2px;
  background: var(--text-main);
  border-radius: var(--r-pill);
  transition: var(--transition-smooth);
}

/* ═══ Page Layout Wrapper ═══ */
.page-wrapper {
  position: relative;
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding-top: 100px;
}

/* ═══ Section Headers ═══ */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brand-primary);
  background: rgba(15, 159, 104, 0.08);
  padding: 4px 12px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(15, 159, 104, 0.15);
  margin-bottom: 12px;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--text-main);
}

.section-sub {
  color: var(--text-muted);
  font-size: 0.98rem;
  margin-top: 12px;
  line-height: 1.6;
}

/* ═══ Buttons ═══ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 28px;
  min-height: 52px;
  border-radius: var(--r-md);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 20%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  transform: skewX(-25deg);
  transition: none;
}

.btn:hover::after {
  left: 150%;
  transition: all 0.8s ease-in-out;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--brand-primary);
  color: #fff;
  box-shadow: 0 4px 20px var(--brand-glow);
}

.btn-primary:hover {
  background: var(--brand-hover);
  box-shadow: 0 6px 28px rgba(15, 159, 104, 0.35);
}

.btn-secondary {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-lg {
  min-height: 56px;
  padding: 0 32px;
  font-size: 1rem;
}

.btn-sm {
  min-height: 40px;
  padding: 0 16px;
  font-size: 0.85rem;
  border-radius: var(--r-sm);
}

.btn-full {
  width: 100%;
}

/* ═══ HERO SECTION ═══ */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 64px;
  padding: 60px 0 80px;
  min-height: 75vh;
}

.hero-content {
  display: flex;
  flex-direction: column;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-pill);
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.tag-icon {
  font-size: 0.9rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  color: var(--text-main);
}

.accent-text {
  color: var(--brand-primary);
  background: linear-gradient(135deg, var(--brand-primary), var(--accent-amber));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 500px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dim);
}

.check-icon {
  color: var(--brand-primary);
  font-weight: 800;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-visual::before {
  content: '';
  position: absolute;
  width: 140%;
  height: 140%;
  background: radial-gradient(circle, rgba(15, 159, 104, 0.14) 0%, rgba(212, 175, 55, 0.05) 50%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.8;
  animation: auraPulse 8s infinite alternate ease-in-out;
}

@keyframes auraPulse {
  0% { transform: scale(1) rotate(0deg); opacity: 0.7; }
  100% { transform: scale(1.08) rotate(10deg); opacity: 0.9; }
}

.device-showcase-container {
  position: relative;
  z-index: 1;
}

.hero-image {
  max-height: 520px;
  width: auto;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  transition: transform 0.5s ease;
}

.hero-image:hover {
  transform: scale(1.02) rotate(1deg);
}

/* ═══ STATS BAR ═══ */
.stats-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 32px;
  margin: 20px 0 60px;
  border-radius: var(--r-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
}

.stat-item {
  flex: 1;
  text-align: center;
  padding: 0 16px;
}

.stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border-light);
  flex-shrink: 0;
}

/* ═══ SIMULATOR SECTION (THE SMART PART) ═══ */
.simulator-container {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
  align-items: stretch;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.sim-selector {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sim-selector h3, .sim-analysis h3 {
  font-size: 1.1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--brand-primary);
  margin-bottom: 20px;
}

.food-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.food-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.food-btn:hover {
  border-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.food-btn.active {
  border-color: var(--brand-primary);
  background: rgba(15, 159, 104, 0.04);
  box-shadow: 0 4px 12px rgba(15, 159, 104, 0.1);
}

.food-btn-icon {
  width: 28px;
  height: 28px;
  margin-bottom: 8px;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.food-btn.active .food-btn-icon {
  color: var(--brand-primary);
  transform: scale(1.05);
}

.food-btn-name {
  font-size: 0.85rem;
  font-weight: 700;
}

.upload-divider {
  text-align: center;
  margin: 24px 0;
  position: relative;
}

.upload-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--border-light);
  z-index: 1;
}

.upload-divider span {
  position: relative;
  z-index: 2;
  background: var(--bg-secondary);
  padding: 0 16px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sim-upload-box {
  position: relative;
}

.sim-file-input {
  position: absolute;
  width: 0.1px;
  height: 0.1px;
  opacity: 0;
  overflow: hidden;
  z-index: -1;
}

.sim-upload-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1.5px dashed var(--border-light);
  border-radius: var(--r-md);
  padding: 24px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.sim-upload-label:hover {
  border-color: var(--brand-primary);
  background: rgba(15, 159, 104, 0.02);
}

.upload-icon {
  color: var(--text-muted);
  margin-bottom: 8px;
  transition: var(--transition-smooth);
}

.sim-upload-label:hover .upload-icon {
  color: var(--brand-primary);
  transform: translateY(-2px);
}

.sim-upload-label span {
  font-size: 0.88rem;
  font-weight: 700;
}

.upload-sub {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 4px;
}

/* Phone Camera View Mockup */
.sim-phone {
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup-frame {
  width: 250px;
  height: 470px;
  border-radius: 40px;
  border: 8px solid #202226;
  background: #000;
  position: relative;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.phone-notch {
  width: 110px;
  height: 18px;
  background: #202226;
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.phone-screen-container {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.ar-camera-view {
  width: 100%;
  height: 100%;
  position: relative;
  background: #000;
}

.ar-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.3s;
}

/* AR Viewfinder Brackets */
.ar-bracket {
  position: absolute;
  width: 24px;
  height: 24px;
  border: 2px solid var(--text-main);
  z-index: 5;
  pointer-events: none;
}
.bracket-tl { top: 24px; left: 24px; border-right: none; border-bottom: none; }
.bracket-tr { top: 24px; right: 24px; border-left: none; border-bottom: none; }
.bracket-bl { bottom: 24px; left: 24px; border-right: none; border-top: none; }
.bracket-br { bottom: 24px; right: 24px; border-left: none; border-top: none; }

/* Scanning Laser Bar */
.ar-scan-bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--brand-primary), transparent);
  box-shadow: 0 0 8px var(--brand-primary);
  z-index: 4;
  opacity: 0;
  pointer-events: none;
}

.ar-scan-bar.scanning {
  animation: laserScan 2s infinite linear;
  opacity: 1;
}

@keyframes laserScan {
  0% { top: 10%; }
  50% { top: 90%; }
  100% { top: 10%; }
}

/* Dynamic Bounding Boxes */
.ar-boxes-layer {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}

.ar-bbox {
  position: absolute;
  border: 1.5px solid var(--brand-primary);
  background: rgba(15, 159, 104, 0.05);
  box-shadow: 0 0 10px rgba(15, 159, 104, 0.2);
  border-radius: var(--r-sm);
  opacity: 0;
  transform: scale(0.95);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.ar-bbox.detected {
  opacity: 1;
  transform: scale(1);
}

.ar-bbox-label {
  position: absolute;
  bottom: 100%;
  left: 0;
  background: var(--brand-primary);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
  margin-bottom: 2px;
}

.ar-status-toast {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid var(--border-light);
  border-radius: var(--r-pill);
  padding: 6px 16px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-main);
  backdrop-filter: blur(12px);
  z-index: 5;
  white-space: nowrap; /* Prevent awkward wrap of scanner completed toast */
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Nutrition Analysis Card */
.sim-analysis {
  display: flex;
  flex-direction: column;
}

.analysis-card-inner {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  padding: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.analysis-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.confidence-pill {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-amber);
  background: rgba(212, 175, 55, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.15);
  padding: 2px 8px;
  border-radius: var(--r-pill);
}

.dish-title-wrap {
  margin: 16px 0;
}

.dish-title-wrap h4 {
  font-size: 1.25rem;
  font-weight: 800;
}

.dish-weight {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Calories Circle Ring */
.calories-ring-container {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  margin: 12px 0 20px;
}

.radial-svg {
  transform: rotate(-90deg);
}

.radial-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.02);
  stroke-width: 8px;
}

.radial-progress {
  fill: none;
  stroke: var(--brand-primary);
  stroke-width: 8px;
  stroke-linecap: round;
  transition: stroke-dashoffset 1.5s ease-out;
}

.calories-value-box {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cal-number {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1;
}

.cal-unit {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}

/* Macros Breakdown */
.macros-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.macro-bar-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.macro-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.macro-bar-label strong {
  color: var(--text-main);
}

.progress-track {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--r-pill);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  border-radius: var(--r-pill);
  transition: width 1.2s ease-out;
}

.fill-protein { background: var(--accent-amber); }
.fill-carbs { background: var(--brand-primary); }
.fill-fat { background: var(--accent-teal); }

/* Health Advice Box */
.advice-box {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-light);
  border-radius: var(--r-sm);
  padding: 14px;
}

.advice-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-amber);
  margin-bottom: 4px;
}

.advice-title .advice-icon {
  font-size: 0.95rem;
}

.advice-box p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ═══ TDEE CALCULATOR (THE HEALTH-TECH PART) ═══ */
.tdee-calculator-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: stretch;
}

.tdee-form-box, .tdee-results-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.tdee-form-box h3, .tdee-results-box h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group > label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 8px;
}

/* Custom Gender Buttons */
.gender-selector {
  display: flex;
  gap: 12px;
}

.gender-selector input[type="radio"] {
  display: none;
}

.gender-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.gender-selector input[type="radio"]:checked + .gender-btn {
  border-color: var(--brand-primary);
  background: rgba(15, 159, 104, 0.04);
  color: var(--brand-primary);
}

/* Calculator Inputs row */
.form-row-three {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

.form-group input[type="number"], .form-group select {
  width: 100%;
  min-height: 48px;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  padding: 0 16px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.form-group select option {
  background-color: var(--bg-secondary);
  color: var(--text-main);
}

.form-group input[type="number"]:focus, .form-group select:focus {
  outline: none;
  border-color: var(--brand-primary);
  background: rgba(255, 255, 255, 0.01);
}

/* ════ Range Sliders Custom Style (Xu hướng 2026) ════ */
.tdee-sliders-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 20px;
}

.slider-group {
  margin-bottom: 0 !important;
}

.slider-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.slider-label-row label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 0 !important;
}

.slider-val-badge {
  background: rgba(15, 159, 104, 0.1);
  color: var(--brand-primary);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 700;
  border: 1px solid rgba(15, 159, 104, 0.2);
  letter-spacing: 0.02em;
}

.range-container {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  height: 24px;
}

.slider-cyberpunk {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.08);
  outline: none;
  transition: background 0.3s ease;
  margin: 0;
  padding: 0 !important;
  min-height: auto !important;
  border: none !important;
}

.slider-cyberpunk::-webkit-slider-runnable-track {
  width: 100%;
  height: 6px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  transition: background 0.3s ease;
}

.slider-cyberpunk::-webkit-slider-thumb {
  height: 18px;
  width: 18px;
  border-radius: 50%;
  background: var(--brand-primary);
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -6px;
  box-shadow: 0 0 10px var(--brand-primary), 0 0 20px rgba(15, 159, 104, 0.4);
  transition: transform 0.1s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.slider-cyberpunk::-moz-range-track {
  width: 100%;
  height: 6px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
}

.slider-cyberpunk::-moz-range-thumb {
  height: 18px;
  width: 18px;
  border-radius: 50%;
  background: var(--brand-primary);
  cursor: pointer;
  border: none;
  box-shadow: 0 0 10px var(--brand-primary), 0 0 20px rgba(15, 159, 104, 0.4);
  transition: transform 0.1s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.slider-cyberpunk:hover::-webkit-slider-runnable-track {
  background: rgba(255, 255, 255, 0.12);
}

.slider-cyberpunk:active::-webkit-slider-thumb {
  transform: scale(1.2);
  box-shadow: 0 0 15px var(--brand-primary), 0 0 25px rgba(15, 159, 104, 0.6);
}

.slider-cyberpunk:active::-moz-range-thumb {
  transform: scale(1.2);
  box-shadow: 0 0 15px var(--brand-primary), 0 0 25px rgba(15, 159, 104, 0.6);
}

.tdee-realtime-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(15, 159, 104, 0.06);
  color: var(--brand-primary);
  border: 1px solid rgba(15, 159, 104, 0.15);
  padding: 6px 12px;
  border-radius: 30px;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.tdee-realtime-badge .pulse-dot {
  width: 6px;
  height: 6px;
  background-color: var(--brand-primary);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(15, 159, 104, 0.7);
  animation: pulse-badge 1.8s infinite;
}

@keyframes pulse-badge {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(15, 159, 104, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 6px rgba(15, 159, 104, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(15, 159, 104, 0);
  }
}

/* ════ Ambient Magnetic Neon Hover (Xu hướng 2026) ════ */
.btn-primary, .btn-secondary, .google-btn-mockup, .btn-nav {
  transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.3s ease, border-color 0.3s ease, background 0.3s ease, color 0.3s ease !important;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 20px rgba(15, 159, 104, 0.4), 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-secondary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.1), 0 4px 12px rgba(0, 0, 0, 0.2);
}

.google-btn-mockup:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 20px rgba(66, 133, 244, 0.3), 0 4px 12px rgba(0, 0, 0, 0.15);
  border-color: rgba(66, 133, 244, 0.5) !important;
}

/* ════ Active Gradient Border Glow (Xu hướng 2026) ════ */
.tdee-results-box {
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.tdee-results-box:not(.hidden-results) {
  border-color: rgba(15, 159, 104, 0.3);
  box-shadow: 0 0 25px rgba(15, 159, 104, 0.08), var(--shadow-md);
}

.tdee-output-card {
  position: relative;
  z-index: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.tdee-output-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, transparent, rgba(15, 159, 104, 0.4), transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  animation: borderGlowSweep 4s linear infinite;
}

@keyframes borderGlowSweep {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* ════ Mochi Reactivity Bounce (Xu hướng 2026) ════ */
.mochi-bounce {
  animation: mochiBounceEffect 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
}

@keyframes mochiBounceEffect {
  0% {
    transform: scale(1);
  }
  30% {
    transform: scale(0.8) translateY(10px);
  }
  60% {
    transform: scale(1.15) translateY(-15px);
  }
  80% {
    transform: scale(0.95) translateY(4px);
  }
  100% {
    transform: scale(1) translateY(0);
  }
}

/* Calculator Results */
.tdee-results-box {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.results-placeholder {
  text-align: center;
  padding: 40px 20px;
}

.placeholder-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 16px;
  color: var(--text-dim);
}

.results-placeholder p {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 320px;
  margin: 0 auto;
}

.results-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  animation: fadeIn 0.4s ease-out forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.results-content.hidden {
  display: none;
}

.tdee-output-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  padding: 24px;
  margin-bottom: 24px;
}

.tdee-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

.tdee-value {
  margin: 8px 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.tdee-value strong {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--brand-primary);
}

.tdee-unit {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted);
}

.tdee-explanation {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.tdee-results-box h4 {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.results-macros {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-bottom: 28px;
}

.macro-result-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
}

.macro-result-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.macro-color-indicator {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.dot-protein { background: var(--accent-amber); }
.dot-carbs { background: var(--brand-primary); }
.dot-fat { background: var(--accent-teal); }

.macro-result-num {
  font-size: 1.25rem;
  font-weight: 500;
}

.macro-result-num strong {
  font-weight: 800;
}

.macro-result-kcal {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 2px;
}

.tdee-cta {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  padding: 20px;
}

.tdee-cta p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}

/* ═══ BENTO GRID SECTION (THE UNIQUE PART) ═══ */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(220px, auto);
  gap: 16px;
}

.bento-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  padding: 20px;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

/* Hover phát sáng viền neon tĩnh dịu mắt theo tone màu riêng biệt để tối ưu hóa CPU render */
.bento-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

/* 1. Tone Xanh ngọc (Card 1, Card 5) */
#bentoCardScan:hover,
.bento-card:nth-child(5):hover {
  border-color: rgba(15, 159, 104, 0.65) !important;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35), 0 0 20px rgba(15, 159, 104, 0.25) !important;
}

/* 2. Tone Lam ngọc / Xanh dương (Card 2, Card 8) */
.bento-card:nth-child(2):hover,
.bento-card:nth-child(8):hover {
  border-color: rgba(50, 215, 240, 0.65) !important;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35), 0 0 20px rgba(50, 215, 240, 0.25) !important;
}

/* 3. Tone Tím Neon (Card 3, Card 4) */
.bento-card.card-tall:hover,
.bento-card:has(.bento-mini-rings):hover {
  border-color: rgba(157, 124, 255, 0.65) !important;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35), 0 0 20px rgba(157, 124, 255, 0.25) !important;
}

/* 4. Tone Vàng Kim (Card 6) */
#bentoCardStreak:hover {
  border-color: rgba(212, 175, 55, 0.65) !important;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35), 0 0 20px rgba(212, 175, 55, 0.25) !important;
}

/* 5. Tone Cam Hổ phách (Card 7) */
#bentoCardRecipe:hover {
  border-color: rgba(255, 115, 0, 0.65) !important;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35), 0 0 20px rgba(255, 115, 0, 0.25) !important;
}

.bento-content-wrap {
  position: relative;
  z-index: 3;
}

.bento-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--brand-primary);
  margin-bottom: 12px;
}

.bento-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin-bottom: 8px;
}

.bento-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Bento card sizing classes */
.card-wide {
  grid-column: span 2;
}

.card-tall {
  grid-row: span 2;
  justify-content: flex-start;
  gap: 20px;
}

/* Gradient backgrounds for specific Bento cards */
.bg-gradient-forest {
  background: linear-gradient(135deg, var(--bg-secondary) 30%, rgba(15, 159, 104, 0.08) 100%);
}

.bg-gradient-amber {
  background: linear-gradient(135deg, var(--bg-secondary) 30%, rgba(212, 175, 55, 0.06) 100%);
}

.bento-visual-icon, .bento-visual-svg {
  position: absolute;
  top: 24px;
  right: 28px;
  width: 48px;
  height: 48px;
  font-size: 2.8rem;
  opacity: 0.12;
  z-index: 1;
  pointer-events: none;
  color: var(--brand-primary);
}

/* Bento Specific Mini Ring Graphic */
.bento-mini-rings {
  display: flex;
  justify-content: center;
  align-items: center;
}

.mini-ring-svg {
  transform: rotate(-90deg);
}

.ring-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.02);
  stroke-width: 5px;
}

.ring-fg-p, .ring-fg-c, .ring-fg-f {
  fill: none;
  stroke-width: 5px;
  stroke-linecap: round;
}

.ring-fg-p { stroke: var(--accent-amber); }
.ring-fg-c { stroke: var(--brand-primary); }
.ring-fg-f { stroke: var(--accent-teal); }

/* Bento Specific Timeline Graphic */
.bento-timeline-mock {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
  position: relative;
  padding-left: 14px;
}

.bento-timeline-mock::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 3px;
  width: 1px;
  height: calc(100% - 12px);
  background: var(--border-light);
}

.timeline-item-mock {
  position: relative;
  display: flex;
  align-items: center;
}

.timeline-dot-mock {
  position: absolute;
  left: -14px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand-primary);
}

.timeline-box-mock {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-sm);
  padding: 8px 12px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.timeline-box-mock strong {
  font-size: 0.78rem;
  font-weight: 700;
}

.timeline-box-mock span {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ═══ INTERACTIVE APP SHOWCASE SLIDER ═══ */
.showcase-slider-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.showcase-controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.showcase-tab {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  cursor: pointer;
  text-align: left;
  transition: var(--transition-smooth);
}

.showcase-tab:hover {
  border-color: rgba(255, 255, 255, 0.08);
}

.showcase-tab.active {
  border-color: var(--brand-primary);
  background: rgba(15, 159, 104, 0.03);
}

.tab-index {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-dim);
  line-height: 1;
}

.showcase-tab.active .tab-index {
  color: var(--brand-primary);
}

.tab-label-group h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.tab-label-group p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Device screen lister */
.showcase-device-frame {
  width: 260px;
  height: 520px;
  border-radius: 44px;
  border: 10px solid #202226;
  background: #000;
  position: relative;
  box-shadow: var(--shadow-lg);
  margin: 0 auto;
}

.showcase-screen-wrap {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.showcase-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  z-index: 1;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.showcase-slide.active {
  opacity: 1;
  z-index: 2;
  pointer-events: auto;
}

.showcase-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Hotspots on screenshots */
.hotspot {
  position: absolute;
  width: 16px;
  height: 16px;
  background: var(--brand-primary);
  border: 3.5px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(0,0,0,0.8), 0 0 0 6px rgba(15, 159, 104, 0.25);
  cursor: pointer;
  z-index: 5;
  animation: hotspotPulse 2s infinite ease-in-out;
}

@keyframes hotspotPulse {
  0% { box-shadow: 0 0 10px rgba(0,0,0,0.8), 0 0 0 0px rgba(15, 159, 104, 0.4); }
  70% { box-shadow: 0 0 10px rgba(0,0,0,0.8), 0 0 0 8px rgba(15, 159, 104, 0); }
  100% { box-shadow: 0 0 10px rgba(0,0,0,0.8), 0 0 0 0px rgba(15, 159, 104, 0); }
}

/* Hotspots placement */
.hotspot-1 { top: 38%; left: 34%; }
.hotspot-2 { bottom: 25%; right: 28%; }
.hotspot-3 { top: 22%; left: 45%; }
.hotspot-4 { top: 40%; right: 35%; }
.hotspot-5 { top: 35%; left: 40%; }
.hotspot-6 { top: 62%; right: 42%; }

.showcase-tooltip {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10, 11, 13, 0.88);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  padding: 10px 14px;
  font-size: 0.72rem;
  font-weight: 600;
  text-align: center;
  color: var(--text-main);
  backdrop-filter: blur(8px);
  width: 80%;
  z-index: 10;
  pointer-events: none;
  box-shadow: var(--shadow-sm);
  transition: opacity 0.3s;
}

/* ═══ HOW IT WORKS ═══ */
.how-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.how-step-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  padding: 40px 32px;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.step-badge {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 159, 104, 0.08);
  border: 1.5px solid rgba(15, 159, 104, 0.2);
  border-radius: var(--r-md);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--brand-primary);
  margin-bottom: 24px;
}

.how-step-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.how-step-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ═══ DOWNLOAD & SECURITY INFO ═══ */
.download-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(15, 159, 104, 0.03) 100%);
  border: 1.5px solid var(--border-light);
  border-radius: var(--r-lg);
  padding: 48px;
  box-shadow: var(--shadow-lg);
  margin-bottom: 24px;
}

.download-left h2 {
  margin: 12px 0 16px;
}

.download-left > p {
  font-size: 0.98rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 480px;
}

.build-specs-table {
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  overflow: hidden;
  margin-bottom: 32px;
  background: var(--bg-primary);
}

.spec-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 20px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border-light);
}

.spec-row:last-child {
  border-bottom: none;
}

.spec-label {
  color: var(--text-muted);
  font-weight: 600;
}

.spec-value {
  color: var(--text-main);
  font-weight: 700;
}

.download-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* QR Code Download Card */
.download-right {
  display: flex;
  justify-content: center;
}

.qr-download-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  padding: 32px;
  width: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.qr-app-logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  margin-bottom: 16px;
}

.qr-image-wrapper {
  position: relative;
  width: 160px;
  height: 160px;
  background: #fff;
  border-radius: var(--r-md);
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-img-tag {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.qr-loading-spinner {
  position: absolute;
  width: 24px;
  height: 24px;
  border: 2.5px solid rgba(15, 159, 104, 0.1);
  border-top-color: var(--brand-primary);
  border-radius: 50%;
  animation: qrSpinnerSpin 0.8s infinite linear;
}

@keyframes qrSpinnerSpin {
  to { transform: rotate(360deg); }
}

.qr-caption {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
  line-height: 1.5;
  margin: 16px 0;
}

.release-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-light);
  padding: 4px 12px;
  border-radius: var(--r-pill);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-amber);
}

body[data-release-ready="true"] .status-dot {
  background: var(--brand-primary);
  box-shadow: 0 0 6px var(--brand-primary);
}

/* SHA256 Checksum Card */
.checksum-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  padding: 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--shadow-sm);
}

.checksum-header {
  display: flex;
  align-items: center;
  gap: 16px;
}

.shield-icon {
  font-size: 1.8rem;
}

.checksum-header h3 {
  font-size: 0.95rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-main);
}

.checksum-header p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.checksum-body {
  display: flex;
  align-items: center;
  gap: 12px;
}

.checksum-code {
  flex-grow: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-sm);
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-amber);
  white-space: nowrap;
  overflow-x: auto;
}

.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-sm);
  min-height: 40px;
  padding: 0 16px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  transition: var(--transition-smooth);
  flex-shrink: 0;
}

.btn-copy:hover {
  border-color: rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.02);
}

.btn-copy svg {
  color: var(--text-muted);
}

/* ═══ SAFE INSTALLATION GUIDE ═══ */
.install-steps-wrapper {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.install-step-item {
  display: flex;
  gap: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  padding: 28px;
}

.install-step-num {
  width: 36px;
  height: 36px;
  background: rgba(15, 159, 104, 0.08);
  border: 1px solid rgba(15, 159, 104, 0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--brand-primary);
  flex-shrink: 0;
}

.install-step-content h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.install-step-content p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.safety-banner {
  display: flex;
  gap: 20px;
  background: rgba(212, 175, 55, 0.02);
  border: 1px solid rgba(212, 175, 55, 0.08);
  border-radius: var(--r-lg);
  padding: 28px;
}

.safety-banner-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.safety-banner-content h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-amber);
  margin-bottom: 4px;
}

.safety-banner-content p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.safety-banner-content strong {
  color: var(--brand-primary);
  font-weight: 600;
}

/* ═══ FAQS ACCORDION ═══ */
.faq-accordion-container {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-accordion-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-accordion-item.active {
  border-color: var(--border-hover);
}

.faq-accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  text-align: left;
  cursor: pointer;
  font-size: 0.98rem;
  font-weight: 700;
  transition: var(--transition-smooth);
}

.faq-accordion-trigger:hover {
  background: rgba(255, 255, 255, 0.01);
}

.accordion-arrow {
  position: relative;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.accordion-arrow::before, .accordion-arrow::after {
  content: '';
  position: absolute;
  background: var(--brand-primary);
  transition: var(--transition-smooth);
}

.accordion-arrow::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
}

.accordion-arrow::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}

.faq-accordion-item.active .accordion-arrow {
  transform: rotate(135deg);
}

.faq-accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.faq-accordion-content-inner {
  padding: 0 24px 20px;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ═══ BOTTOM BRAND CTA ═══ */
.bottom-cta-section {
  padding: 40px 0 80px;
}

.bottom-cta-card {
  text-align: center;
  background: linear-gradient(135deg, rgba(15, 159, 104, 0.06) 0%, rgba(212, 175, 55, 0.04) 100%);
  border: 1.5px solid var(--border-hover);
  border-radius: var(--r-lg);
  padding: 64px 40px;
  box-shadow: var(--shadow-md);
}

.bottom-cta-card h2 {
  margin-bottom: 12px;
}

.bottom-cta-card p {
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 32px;
  font-size: 1rem;
}

/* ═══ FOOTER ═══ */
.site-footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-light);
  padding: 40px 0 48px;
}

.footer-container {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.footer-brand-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-logo {
  border-radius: 4px;
}

.footer-brand-wrap strong {
  color: var(--text-main);
}

.footer-credits strong {
  color: var(--text-muted);
}

.footer-github-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-weight: 600;
}

.footer-github-link:hover {
  color: var(--brand-primary);
}

/* ═══ TOAST NOTIFICATION ═══ */
.toast-notification {
  position: fixed;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand-primary);
  color: #fff;
  border-radius: var(--r-pill);
  padding: 10px 24px;
  font-size: 0.85rem;
  font-weight: 700;
  z-index: 1000;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transition: bottom 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s;
  pointer-events: none;
}

.toast-notification.show {
  bottom: 32px;
  opacity: 1;
}

/* ═══ MOBILE RESPONSIVENESS ═══ */
@media (max-width: 1200px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
    padding: 40px 0 60px;
  }

  .hero-content {
    align-items: center;
  }

  .hero-tag {
    align-self: center;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-trust {
    justify-content: center;
  }

  .hero-visual {
    /* Đưa ảnh mockup xuống dưới tiêu đề và nút CTA trên thiết bị di động để cải thiện trải nghiệm cuộn trang */
    order: 1;
  }

  .hero-image {
    max-height: 380px;
  }

  .simulator-container {
    grid-template-columns: 1fr;
    padding: 28px;
    gap: 36px;
  }

  .sim-selector {
    order: 1;
  }

  .sim-phone {
    order: 2;
  }

  .sim-analysis {
    order: 3;
  }

  .phone-mockup-frame {
    width: 240px;
    height: 440px;
  }

  .tdee-calculator-wrapper {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .bento-grid {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: minmax(280px, auto);
  }

  .card-wide {
    grid-column: span 2;
  }

  .bento-card:nth-child(8) {
    grid-column: span 2;
  }

  .card-tall {
    grid-row: span 1;
    justify-content: flex-start;
  }

  .bento-mini-rings {
    display: none;
  }

  .bento-mochi-speech {
    display: none !important;
  }

  .bento-mascot-img {
    display: none !important;
  }

  .showcase-slider-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .showcase-device-frame {
    order: -1;
  }

  .download-panel {
    grid-template-columns: 1fr;
    padding: 32px;
    gap: 40px;
    text-align: center;
  }

  .download-left > p {
    margin-left: auto;
    margin-right: auto;
  }

  .download-btn-group {
    justify-content: center;
  }
}

@media (max-width: 1024px) {
  .site-header {
    background: rgba(10, 11, 13, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    padding: 16px 0;
  }

  .menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    transition: var(--transition-smooth);
  }

  .menu-toggle:hover {
    border-color: rgba(15, 159, 104, 0.3);
    background: rgba(15, 159, 104, 0.05);
  }

  .menu-toggle .bar {
    width: 20px;
    height: 2px;
    background: var(--text-main);
    border-radius: var(--r-pill);
    transition: var(--transition-smooth);
  }

  .menu-toggle.active .bar:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
    background: var(--brand-primary);
  }

  .menu-toggle.active .bar:nth-child(2) {
    transform: translateY(-4px) rotate(-45deg);
    background: var(--brand-primary);
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 16px;
    width: calc(100% - 32px);
    background: rgba(11, 12, 14, 0.95);
    backdrop-filter: blur(24px);
    border: 1px solid var(--border-light);
    border-radius: var(--r-md);
    padding: 16px;
    z-index: 100;
    box-shadow: var(--shadow-lg);
    gap: 8px;
  }

  .nav-links.mobile-open {
    display: flex;
    animation: mobileMenuSlideDown 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }

  .nav-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--r-sm);
    color: var(--text-muted);
    transition: var(--transition-smooth);
  }

  .nav-links a:hover, .nav-links a.active {
    color: var(--brand-primary);
    background: rgba(15, 159, 104, 0.08);
  }

  .mobile-only-link {
    display: block !important;
  }

  .nav-links a.mobile-only-link {
    background: var(--brand-primary);
    color: #fff;
    font-weight: 700;
    margin-top: 8px;
    box-shadow: 0 4px 12px var(--brand-glow);
  }

  .nav-links a.mobile-only-link:hover {
    background: var(--brand-hover);
    color: #fff;
  }

  @keyframes mobileMenuSlideDown {
    from {
      opacity: 0;
      transform: translateY(-10px) scale(0.98);
    }
    to {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
  }

  .nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
    margin-right: 16px;
  }

  .nav-actions .btn-nav {
    display: none;
  }
}

@media (max-width: 768px) {

  .simulator-container {
    padding: 20px 16px;
    gap: 24px;
  }

  .tdee-form-box, .tdee-results-box {
    padding: 24px 16px;
  }

  .results-macros {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .stats-bar {
    flex-wrap: wrap;
    padding: 24px 16px;
    gap: 16px;
  }

  .stat-item {
    flex: 1 0 40%;
  }

  .stat-divider {
    display: none;
  }

  .stat-num {
    font-size: 1.6rem;
  }

  .bento-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
    gap: 16px;
  }

  .card-wide {
    grid-column: span 1;
  }

  .bento-card {
    min-height: 220px;
    padding: 24px;
  }

  .bento-visual-icon, .bento-visual-svg {
    font-size: 2.2rem;
    width: 38px;
    height: 38px;
  }

  .how-steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .how-step-card {
    padding: 32px 24px;
  }

  .install-steps-wrapper {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .checksum-body {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-copy {
    justify-content: center;
  }

  .footer-container {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .footer-brand-wrap {
    flex-direction: column;
    gap: 6px;
  }
}

/* Custom SVG Utility Icons */
.tag-icon-svg {
  width: 14px;
  height: 14px;
  color: var(--brand-primary);
  display: inline-block;
  vertical-align: middle;
}
.check-icon-svg {
  width: 14px;
  height: 14px;
  color: var(--brand-primary);
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}
.advice-icon-svg {
  width: 18px;
  height: 18px;
  color: var(--accent-amber);
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}
.placeholder-icon-svg {
  width: 48px;
  height: 48px;
  display: block;
  margin: 0 auto 16px auto;
  color: var(--text-dim);
}
.shield-icon-svg {
  width: 28px;
  height: 28px;
  color: var(--brand-primary);
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}
.safety-banner-icon-svg {
  width: 28px;
  height: 28px;
  color: var(--accent-amber);
  flex-shrink: 0;
  margin-top: 2px;
  display: inline-block;
  vertical-align: middle;
}

/* ═══ Mochi Mascot & Layout Integration ═══ */

/* Hide SHA-256 block & Hero open source tag */
.checksum-card {
  display: none !important;
}
.hero-tag {
  display: none !important;
}

/* Limit content width on bento cards to make space for mascots */
.card-wide .bento-content-wrap {
  max-width: 68%;
}
.card-tall .bento-content-wrap {
  max-width: 66%;
}
.bento-card .bento-content-wrap {
  max-width: 60%; /* Protects Card 8 which has a mascot */
}
/* Cards 5, 6 have stacked vertical layouts with no right-positioned mascots, so they can use 100% width */
.bento-card:not(.card-wide):not(.card-tall):not(:nth-child(2)) .bento-content-wrap {
  max-width: 100%;
}
/* Except Card 2 and Card 8 which have right-positioned mascots, so we restrict them */
.bento-card:nth-child(2) .bento-content-wrap,
.bento-card:nth-child(8) .bento-content-wrap {
  max-width: 62%;
}
.bento-card:nth-child(2),
.bento-card:nth-child(8) {
  min-height: 310px;
}
.bento-card.card-wide, .bento-card.card-tall {
  position: relative;
}

/* Mascot Images inside Bento Cards */
.bento-mascot-img {
  position: absolute;
  z-index: 5;
  pointer-events: none;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.4));
  transition: transform 0.4s var(--transition-smooth), opacity 0.4s ease;
  opacity: 0.82;
  image-rendering: -webkit-optimize-contrast !important;
  image-rendering: crisp-edges !important;
  object-fit: contain !important;
}

.bento-card:hover .bento-mascot-img {
  transform: scale(1.06) translateY(-6px);
  opacity: 1;
}

/* Specific position adjustments for Bento Cards */
.mascot-meal {
  bottom: -22px;
  right: 210px;
  height: 110px;
  width: auto;
  z-index: 3;
}

.mascot-scale {
  bottom: -18px;
  right: 28px;
  height: 108px;
  width: auto;
}

.mascot-idle {
  bottom: -18px;
  right: 28px;
  height: 108px;
  width: auto;
}

.mascot-secure {
  bottom: -18px;
  right: 28px;
  height: 95px;
  width: auto;
}

.mascot-celebrate {
  bottom: -24px;
  right: 28px;
  height: 110px;
  width: auto;
}

.mascot-scan-success {
  bottom: -18px;
  right: 28px;
  height: 105px;
  width: auto;
}

.mascot-thinking {
  bottom: -18px;
  right: 16px;
  height: 105px;
  width: auto;
}

/* TDEE Calculator Placeholder Mascot */
.tdee-placeholder-mascot {
  width: 140px;
  height: auto;
  margin: 0 auto 16px auto;
  display: block;
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.3));
  transition: transform 0.3s ease;
}
.results-placeholder:hover .tdee-placeholder-mascot {
  transform: scale(1.05) translateY(-3px);
}

/* Advice Box Mochi Avatar in AR Simulator */
.advice-mochi-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  object-fit: cover;
  background: rgba(255, 255, 255, 0.1);
  border: 1.5px solid var(--brand-primary);
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  transition: transform 0.3s ease;
}
.advice-title {
  display: flex;
  align-items: center;
  gap: 8px;
}
.advice-box:hover .advice-mochi-avatar {
  transform: rotate(10deg) scale(1.1);
}

/* ==========================================
   BENTO WIDGETS DESKTOP STYLE INTEGRATION
   ========================================== */

/* Card 1: Phone Mockup & Laser Scan Animation */
.bento-phone-mockup.phone-foodscan {
  position: absolute;
  right: 45px;
  top: 50%;
  transform: translateY(-50%);
  width: 230px;
  height: 360px;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(15, 159, 104, 0.25);
  background: rgba(10, 11, 13, 0.6);
  backdrop-filter: blur(10px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(15, 159, 104, 0.1);
  z-index: 2;
  transition: all 0.4s var(--transition-bounce);
}
.bento-card:hover .bento-phone-mockup.phone-foodscan {
  transform: translateY(-52%) rotate(-1deg) scale(1.03);
  border-color: rgba(15, 159, 104, 0.6);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.8), 0 0 50px rgba(15, 159, 104, 0.25);
}
.bento-phone-mockup.phone-foodscan .bento-mockup-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.scan-laser-line {
  position: absolute;
  top: 15%;
  left: 10px;
  right: 10px;
  height: 3px;
  background: linear-gradient(90deg, rgba(15, 159, 104, 0) 0%, var(--brand-primary) 50%, rgba(15, 159, 104, 0) 100%);
  box-shadow: 0 0 12px var(--brand-primary);
  animation: bentoLaser 3s ease-in-out infinite;
  z-index: 3;
  pointer-events: none;
}
@keyframes bentoLaser {
  0%, 100% { top: 20%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { top: 82%; }
}

/* Card 2: Quota Guarantees (Empty Space Filler) */
.quota-icon-svg {
  width: 16px;
  height: 16px;
  display: inline-block;
  vertical-align: text-bottom;
  margin-right: 6px;
  color: inherit;
  flex-shrink: 0;
}
.bento-quota-visual,
.quota-guarantees {
  max-width: 82% !important;
  width: 100%;
}
@media (min-width: 769px) {
  /* Restrict width in Card 2 to prevent overlapping the scale mascot */
  .bento-card:nth-child(2) .bento-quota-visual,
  .bento-card:nth-child(2) .quota-guarantees {
    max-width: 58% !important;
  }
  /* Vertically center Card 1 text content wrap on desktop to eliminate empty space and improve balance */
  .card-wide.bg-gradient-forest {
    justify-content: center;
  }
  /* Restrict content wrap width in Card 1 on desktop to prevent overlap with the larger phone mockup */
  .card-wide.bg-gradient-forest .bento-content-wrap {
    max-width: 55% !important;
  }
}
.quota-guarantees {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 18px;
}
.guarantee-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}
.bento-card:hover .guarantee-item {
  color: var(--text-primary);
}
.guarantee-item svg {
  width: 14px;
  height: 14px;
  color: var(--brand-primary);
  flex-shrink: 0;
}

/* Card 3: AI Voice Chat bubbles */
.bento-voice-chat {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 58% !important;
  z-index: 2;
  position: relative;
}
.chat-bubble {
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.8rem;
  line-height: 1.4;
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 90%;
  transition: var(--transition-smooth);
}
.chat-bubble span {
  display: flex;
  align-items: center;
  gap: 8px;
}
.chat-icon-svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}
.bubble-user {
  align-self: flex-start;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  border-bottom-left-radius: 2px;
}
.bubble-ai {
  align-self: flex-end;
  background: rgba(15, 159, 104, 0.08);
  border: 1px solid rgba(15, 159, 104, 0.2);
  color: var(--brand-primary);
  border-bottom-right-radius: 2px;
}
.bento-card:hover .chat-bubble.bubble-user {
  transform: translateX(4px);
  background: rgba(255, 255, 255, 0.03);
}
.bento-card:hover .chat-bubble.bubble-ai {
  transform: translateX(-4px);
  background: rgba(15, 159, 104, 0.12);
}

/* Card 4: Concentric Macros Layout & Legend */
.bento-macros-layout {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-top: 20px;
  z-index: 2;
  position: relative;
}
.macros-legend {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  max-width: 50%;
}
.legend-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-light);
  border-radius: var(--r-sm);
  transition: var(--transition-smooth);
}
.bento-card:hover .legend-item {
  background: rgba(255, 255, 255, 0.04);
}
.legend-item .leg-color {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 8px;
  flex-shrink: 0;
}
.legend-item .leg-text {
  flex-grow: 1;
  color: var(--text-muted);
}
.legend-item .leg-val {
  font-weight: 700;
  color: var(--text-primary);
}
.leg-protein .leg-color {
  background: var(--accent-amber);
  box-shadow: 0 0 8px var(--accent-amber);
}
.leg-carbs .leg-color {
  background: var(--brand-primary);
  box-shadow: 0 0 8px var(--brand-primary);
}
.leg-fat .leg-color {
  background: var(--accent-teal);
  box-shadow: 0 0 8px var(--accent-teal);
}

/* Card 6: Streak & Gamified Details */
.streak-gamified-details {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 2;
  position: relative;
}
.streak-xp-progress {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.xp-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}
.xp-bar-container {
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}
.xp-bar {
  height: 100%;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--accent-teal) 0%, var(--brand-primary) 100%);
  box-shadow: 0 0 10px rgba(15, 159, 104, 0.3);
  transition: width 0.5s ease;
}
.bento-badges-row {
  display: flex;
  gap: 10px;
  margin-top: 6px;
}
.badge-item {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-light);
  background: rgba(255, 255, 255, 0.02);
  transition: var(--transition-smooth);
  cursor: pointer;
}
.badge-item.active {
  border-color: rgba(15, 159, 104, 0.25);
  background: rgba(15, 159, 104, 0.05);
}
.badge-item.active:hover {
  transform: translateY(-2px);
  background: rgba(15, 159, 104, 0.1);
  border-color: var(--brand-primary);
  box-shadow: 0 0 12px rgba(15, 159, 104, 0.2);
}
.badge-item.locked {
  opacity: 0.4;
  background: rgba(255, 255, 255, 0.01);
  border-style: dashed;
}
.badge-item .badge-svg {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}
.badge-item.active .badge-svg {
  color: var(--brand-primary);
}
.badge-item.active:nth-child(1) .badge-svg {
  color: var(--accent-amber); /* Trophy golden glow */
}
.badge-item.active:nth-child(1) {
  border-color: rgba(212, 175, 55, 0.25);
  background: rgba(212, 175, 55, 0.05);
}
.badge-item.active:nth-child(1):hover {
  border-color: var(--accent-amber);
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.2);
}
.badge-item.active:nth-child(2) .badge-svg {
  color: #22bae0; /* Water blue glow */
}
.badge-item.active:nth-child(2) {
  border-color: rgba(34, 186, 224, 0.25);
  background: rgba(34, 186, 224, 0.05);
}
.badge-item.active:nth-child(2):hover {
  border-color: #22bae0;
  box-shadow: 0 0 12px rgba(34, 186, 224, 0.2);
}
.badge-item.active:nth-child(3) .badge-svg {
  color: var(--accent-teal); /* Healthy meal glow */
}
.badge-item.active:nth-child(3) {
  border-color: rgba(15, 159, 104, 0.25);
  background: rgba(15, 159, 104, 0.05);
}
.badge-item.active:nth-child(3):hover {
  border-color: var(--accent-teal);
  box-shadow: 0 0 12px rgba(15, 159, 104, 0.2);
}

/* Card 7: Recipe Mockup Widget */
.bento-recipe-mockup {
  position: absolute;
  right: 155px;
  top: 50%;
  transform: translateY(-50%);
  width: 260px;
  z-index: 2;
  transition: transform 0.4s var(--transition-bounce);
}
.bento-card:hover .bento-recipe-mockup {
  transform: translateY(-50%) scale(1.03);
}
.recipe-card-mini {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}
.recipe-img-placeholder {
  height: 110px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.recipe-tag {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(10, 11, 13, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 3px 8px;
  border-radius: 100px;
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--accent-amber);
  backdrop-filter: blur(4px);
}
.recipe-info {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.recipe-info h4 {
  font-size: 0.8rem;
  font-weight: 700;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-primary);
}
.recipe-icon-svg {
  width: 12px;
  height: 12px;
  color: var(--text-muted);
  flex-shrink: 0;
}
.recipe-info h4 .recipe-icon-svg {
  color: var(--brand-primary);
}
.recipe-meta {
  font-size: 0.7rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}
.recipe-meta svg {
  width: 10px;
  height: 10px;
}
.recipe-meta svg.flame-color {
  color: var(--accent-amber);
}
.recipe-ingredients {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 8px;
  margin-top: 2px;
}
.ing-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  color: var(--text-muted);
  cursor: not-allowed;
  position: relative;
}
.ing-check input[type="checkbox"] {
  display: none !important;
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
/* Custom checkbox indicator */
.ing-check::before {
  content: '';
  width: 12px;
  height: 12px;
  border: 1px solid var(--border-light);
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
  transition: var(--transition-smooth);
  background: rgba(255, 255, 255, 0.02);
}
/* Active custom checkbox */
.ing-check:has(input[type="checkbox"]:checked)::before {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  box-shadow: 0 0 6px rgba(15, 159, 104, 0.4);
}
/* Checkmark symbol inside indicator */
.ing-check:has(input[type="checkbox"]:checked)::after {
  content: '✓';
  position: absolute;
  left: 3.5px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.52rem;
  font-weight: 900;
  color: #fff;
}
.ing-check,
.ing-check *,
.ing-check span,
.ing-check input,
.ing-check input:disabled + span,
.ing-check input:checked + span,
.ing-check input[type="checkbox"]:checked:disabled + span {
  text-decoration: none !important;
  text-decoration-line: none !important;
  -webkit-text-decoration-line: none !important;
}

.ing-check input[type="checkbox"]:checked + span,
.ing-check input[type="checkbox"]:checked:disabled + span {
  color: #ffffff !important;
  opacity: 1 !important;
  font-weight: 600 !important;
  text-decoration: none !important;
  text-decoration-line: none !important;
}

/* Card 8: Secure Cloud Sync & Google Auth Widget */
.bento-auth-sync-widget {
  position: absolute;
  left: 28px;
  bottom: 28px;
  width: calc(100% - 140px);
  max-width: 190px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 2;
}
.google-btn-mockup {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-light);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: var(--transition-smooth);
  cursor: not-allowed;
  backdrop-filter: blur(4px);
  box-shadow: var(--shadow-sm);
}
.google-logo-svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}
.bento-card:hover .google-btn-mockup {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.05);
}
.supabase-sync-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: rgba(16, 185, 129, 0.02);
  border: 1px solid rgba(16, 185, 129, 0.15);
  border-radius: 100px;
  transition: var(--transition-smooth);
  backdrop-filter: blur(4px);
  white-space: nowrap;
}
.bento-card:hover .supabase-sync-badge {
  background: rgba(16, 185, 129, 0.06);
  border-color: rgba(16, 185, 129, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.12);
}
.db-icon-wrap {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 159, 104, 0.08);
  color: var(--brand-primary);
  transition: var(--transition-smooth);
}
.bento-card:hover .db-icon-wrap {
  background: rgba(15, 159, 104, 0.15);
  transform: rotate(5deg);
}
.db-icon-svg {
  width: 15px;
  height: 15px;
  color: inherit;
}
.db-sync-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.db-name {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-primary);
}
.db-status {
  font-size: 0.58rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
}
.db-status .status-dot {
  width: 5px;
  height: 5px;
  background: var(--brand-primary);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 6px var(--brand-primary);
  animation: statusDotPulse 1.5s infinite alternate;
}
@keyframes statusDotPulse {
  0% { opacity: 0.5; box-shadow: 0 0 2px var(--brand-primary); }
  100% { opacity: 1; box-shadow: 0 0 8px var(--brand-primary); }
}

/* ==================== 1. THU NHỎ NHẸ CHO PC (DESKTOP >= 1200px) ==================== */
@media (min-width: 1200px) {
  .bento-grid {
    gap: 16px !important;
  }

  .bento-card {
    padding: 20px !important;
  }

  .bento-card h3 {
    font-size: 1.12rem !important;
    margin-bottom: 6px !important;
  }

  .bento-card p {
    font-size: 0.8rem !important;
    line-height: 1.5 !important;
  }

  /* Thu nhỏ vòng tròn Macros Rings ở Card 4 */
  .bento-mini-rings {
    width: 145px !important;
    height: 145px !important;
  }
  .mini-ring-svg {
    width: 145px !important;
    height: 145px !important;
  }

  .mascot-meal { height: 110px !important; bottom: -22px !important; right: 210px !important; }
  .mascot-scale { height: 108px !important; bottom: -18px !important; }
  .mascot-idle { height: 108px !important; bottom: -18px !important; }
  .mascot-secure { height: 95px !important; bottom: -18px !important; }
  .mascot-celebrate { height: 110px !important; bottom: -24px !important; }
  .mascot-scan-success { height: 105px !important; bottom: -18px !important; }
  .mascot-thinking { height: 105px !important; bottom: -18px !important; right: 16px !important; }

  .bento-card:hover .bento-mascot-img {
    transform: translateY(-4px) !important;
  }
}

/* ==================== 2. THU NHỎ & GHÉP CẶP 2 CỘT TRÊN MOBILE (SCREEN <= 768px) ==================== */
@media (max-width: 768px) {
  .bento-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important; /* Chuyển thành 2 cột kết hợp */
    gap: 10px !important; /* Giảm gap xuống 10px để tăng không gian ngang */
  }

  .bento-card {
    padding: 12px !important; /* Giảm padding xuống 12px */
    width: auto !important;
    height: 100% !important; /* Tự động kéo giãn bằng nhau theo dòng */
  }

  .bento-card h3 {
    font-size: 0.9rem !important;
    margin-bottom: 4px !important;
    line-height: 1.25 !important;
  }

  .bento-card p {
    font-size: 0.68rem !important;
    line-height: 1.4 !important;
  }

  .bento-badge {
    font-size: 0.55rem !important;
    padding: 2px 6px !important;
    margin-bottom: 6px !important;
  }

  .bento-content-wrap {
    max-width: 100% !important;
  }

  .bento-mascot-img {
    display: none !important; /* Ẩn mascot trên mobile */
  }

  /* Thiết lập Grid Order để sắp xếp ghép cặp song song */
  .bento-card:nth-child(1) { order: 1 !important; grid-column: span 2 !important; } /* Card 1: Camera AI (span 2) */
  .bento-card:nth-child(2) { order: 2 !important; grid-column: span 1 !important; } /* Card 2: 100% Free (span 1) */
  .bento-card:nth-child(5) { order: 3 !important; grid-column: span 1 !important; } /* Card 5: Water Tracker (span 1) -> Ghép cặp dòng 2 */
  .bento-card:nth-child(3) { order: 4 !important; grid-column: span 2 !important; } /* Card 3: Voice AI (span 2) */
  .bento-card:nth-child(4) { order: 5 !important; grid-column: span 2 !important; } /* Card 4: Macros Rings (span 2) */
  .bento-card:nth-child(6) { order: 6 !important; grid-column: span 1 !important; } /* Card 6: Streak (span 1) */
  .bento-card:nth-child(8) { order: 7 !important; grid-column: span 1 !important; } /* Card 8: Auth Sync (span 1) -> Ghép cặp dòng 5 */
  .bento-card:nth-child(7) { order: 8 !important; grid-column: span 2 !important; } /* Card 7: AI Recipes (span 2) */

  /* 2.1. Tối ưu hóa Card 2 (Free Quota) */
  .quota-guarantees {
    display: none !important; /* Ẩn cam kết để tiết kiệm chiều cao */
  }
  .bento-quota-visual {
    gap: 6px !important;
    margin-top: 10px !important;
    position: relative !important;
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    top: auto !important; right: auto !important; bottom: auto !important; left: auto !important;
    transform: none !important;
  }
  .quota-item {
    padding: 6px 8px !important;
    margin-bottom: 0 !important;
  }
  .quota-title, .quota-val {
    font-size: 0.65rem !important;
  }
  .quota-bar-container {
    height: 4px !important;
  }

  /* 2.2. Tối ưu hóa Card 5 (Water Tracker) */
  .bento-water-visual {
    position: relative !important;
    margin: 12px auto 0 auto !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 8px !important;
    width: 100% !important;
    top: auto !important; right: auto !important; bottom: auto !important; left: auto !important;
    transform: none !important;
  }
  .water-glass-container {
    transform: scale(0.8) !important;
    margin: 4px auto !important;
  }
  .water-badge-label {
    font-size: 0.65rem !important;
    padding: 4px 8px !important;
  }
  .btn-add-water {
    font-size: 0.65rem !important;
    padding: 4px 10px !important;
    width: 100% !important;
  }

  /* 2.3. Tối ưu hóa Card 6 (Streak) */
  .streak-gamified-details {
    position: relative !important;
    margin: 12px 0 0 0 !important;
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    top: auto !important; right: auto !important; bottom: auto !important; left: auto !important;
    transform: none !important;
  }
  .bento-streak-visual {
    gap: 6px !important;
  }
  .streak-flame-circle {
    width: 28px !important;
    height: 28px !important;
    font-size: 1.0rem !important;
  }
  .streak-count-label {
    font-size: 0.65rem !important;
  }
  .streak-level-badge {
    font-size: 0.55rem !important;
    padding: 2px 4px !important;
  }
  .bento-badges-row {
    gap: 4px !important;
    justify-content: center !important;
    display: flex !important;
  }
  .badge-item {
    width: 24px !important;
    height: 24px !important;
  }
  .badge-svg {
    width: 14px !important;
    height: 14px !important;
  }
  .xp-text {
    font-size: 0.6rem !important;
  }
  .xp-bar-container {
    height: 4px !important;
  }

  /* 2.4. Tối ưu hóa Card 8 (Auth Sync) */
  .bento-auth-sync-widget {
    position: relative !important;
    margin: 10px auto 0 auto !important;
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 6px !important;
    top: auto !important; right: auto !important; bottom: auto !important; left: auto !important;
    transform: none !important;
  }
  .google-btn-mockup {
    padding: 6px 10px !important;
    font-size: 0.68rem !important;
    width: 100% !important;
    justify-content: center !important;
  }
  .supabase-sync-badge {
    padding: 6px 10px !important;
    width: 100% !important;
    justify-content: center !important;
  }
  .db-icon-wrap {
    width: 20px !important;
    height: 20px !important;
  }
  .db-name {
    font-size: 0.68rem !important;
  }
  .db-status {
    font-size: 0.58rem !important;
  }

  /* 2.5. Tối ưu hóa các Card rộng (Flex Row) */
  /* Card 1: Camera Scan */
  .bento-card.card-wide:nth-child(1) {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 12px !important;
  }
  .bento-card.card-wide:nth-child(1) .bento-content-wrap {
    max-width: 65% !important;
    flex: 1 !important;
  }
  .bento-card.card-wide:nth-child(1) .bento-phone-mockup {
    position: relative !important;
    width: 90px !important;
    height: 130px !important;
    margin: 0 !important;
    flex-shrink: 0 !important;
    display: flex !important;
    top: auto !important; right: auto !important; bottom: auto !important; left: auto !important;
    transform: none !important;
  }

  /* Card 7: AI Recipes */
  .bento-card.card-wide:nth-child(7) {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 12px !important;
  }
  .bento-card.card-wide:nth-child(7) .bento-content-wrap {
    max-width: 65% !important;
    flex: 1 !important;
  }
  .bento-card.card-wide:nth-child(7) .bento-recipe-mockup {
    position: relative !important;
    width: 110px !important;
    margin: 0 !important;
    flex-shrink: 0 !important;
    display: flex !important;
    top: auto !important; right: auto !important; bottom: auto !important; left: auto !important;
    transform: none !important;
  }
  .bento-card.card-wide:nth-child(7) .recipe-card-mini {
    width: 100% !important;
    padding: 6px !important;
    border-radius: var(--r-md) !important;
  }
  .bento-card.card-wide:nth-child(7) .recipe-img-placeholder {
    height: 48px !important;
    border-radius: var(--r-sm) !important;
  }
  .bento-card.card-wide:nth-child(7) .recipe-info h4 {
    font-size: 0.65rem !important;
    margin-bottom: 2px !important;
  }
  .bento-card.card-wide:nth-child(7) .recipe-meta {
    font-size: 0.55rem !important;
  }
  .bento-card.card-wide:nth-child(7) .recipe-ingredients {
    display: none !important;
  }

  /* Card 3: Voice AI (Xếp dọc, thu gọn tối đa) */
  .bento-card.card-tall:nth-child(3) .bento-voice-chat {
    position: relative !important;
    margin: 12px auto 0 auto !important;
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 4px !important;
    top: auto !important; right: auto !important; bottom: auto !important; left: auto !important;
    transform: none !important;
  }
  .bento-card.card-tall:nth-child(3) .chat-bubble {
    padding: 5px 8px !important;
    font-size: 0.68rem !important;
    margin: 0 !important;
    max-width: 90% !important;
  }
  .bento-card.card-tall:nth-child(3) .chat-bubble:nth-child(n+3) {
    display: none !important;
  }
  .bento-card.card-tall:nth-child(3) .bento-audio-visualizer {
    position: relative !important;
    margin: 8px auto 0 auto !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 4px 8px !important;
    gap: 3px !important;
    width: auto !important;
    top: auto !important; right: auto !important; bottom: auto !important; left: auto !important;
    transform: none !important;
  }
  .bento-card.card-tall:nth-child(3) .audio-bar {
    height: 10px !important;
    width: 2px !important;
  }
  .bento-card.card-tall:nth-child(3) .audio-wave-label {
    font-size: 0.6rem !important;
  }

  /* Card 4: Macros Rings (Xếp song song trong span 2) */
  .bento-card.card-wide:nth-child(4) {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 12px !important;
  }
  .bento-card.card-wide:nth-child(4) .bento-content-wrap {
    max-width: 55% !important;
    flex: 1 !important;
  }
  .bento-card.card-wide:nth-child(4) .bento-macros-layout {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    width: 40% !important;
    margin: 0 !important;
    gap: 6px !important;
    flex-shrink: 0 !important;
  }
  .bento-card.card-wide:nth-child(4) .bento-mini-rings {
    display: flex !important;
    width: 110px !important;
    height: 110px !important;
    transform: scale(0.68) !important;
    transform-origin: center !important;
    margin: -10px 0 !important;
    position: relative !important;
    top: auto !important; right: auto !important; bottom: auto !important; left: auto !important;
  }
  .bento-card.card-wide:nth-child(4) .macros-legend {
    width: 100% !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 3px !important;
  }
  .bento-card.card-wide:nth-child(4) .legend-item {
    font-size: 0.58rem !important;
    padding: 2px 4px !important;
    width: 100% !important;
    justify-content: flex-start !important;
  }

  .bento-card:nth-child(8) .db-name {
    font-size: 0.65rem !important;
  }
  .bento-card:nth-child(8) .db-status {
    font-size: 0.55rem !important;
  }

  /* Hover scale reset on mobile */
  .bento-card:hover .bento-phone-mockup,
  .bento-card:hover .bento-recipe-mockup,
  .bento-card:hover .bento-mini-rings,
  .bento-card:hover .bento-auth-sync-widget {
    transform: none !important;
  }
}

/* ==================== 3. TỐI ƯU ĐẶC BIỆT CHO SMARTPHONE NHỎ (SCREEN <= 576px) ==================== */
@media (max-width: 576px) {
  /* === GRID: 1 cột dọc, tránh bóp nghẹt chiều ngang === */
  .bento-grid {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }

  /* === Reset TẤT CẢ card về 1 cột, flex-column ===
       Dùng :nth-child để THẮNG specificity từ media query 768px (0-2-0) */
  .bento-card,
  .bento-card:nth-child(1),
  .bento-card:nth-child(2),
  .bento-card:nth-child(3),
  .bento-card:nth-child(4),
  .bento-card:nth-child(5),
  .bento-card:nth-child(6),
  .bento-card:nth-child(7),
  .bento-card:nth-child(8) {
    grid-column: span 1 !important;
    display: flex !important;
    flex-direction: column !important;
    padding: 14px !important;
    height: auto !important;
    min-height: unset !important;
    order: unset !important;
    width: auto !important;
  }

  /* Reset card-wide/card-tall với specificity cao */
  .bento-card.card-wide,
  .bento-card.card-tall,
  .bento-card.card-wide:nth-child(1),
  .bento-card.card-wide:nth-child(4),
  .bento-card.card-wide:nth-child(7),
  .bento-card.card-tall:nth-child(3) {
    display: flex !important;
    flex-direction: column !important;
    gap: 0 !important;
  }

  .bento-content-wrap {
    max-width: 100% !important;
    width: 100% !important;
  }

  .bento-card h3 {
    font-size: 0.92rem !important;
    margin-bottom: 4px !important;
    line-height: 1.25 !important;
  }

  /* LINE-CLAMP: Giới hạn text mô tả chỉ 2 dòng để giảm chiều cao card */
  .bento-card p {
    font-size: 0.72rem !important;
    line-height: 1.4 !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }

  .bento-badge {
    font-size: 0.55rem !important;
    padding: 2px 6px !important;
    margin-bottom: 4px !important;
  }

  /* Ẩn bong bóng thoại và mascot */
  .bento-mochi-speech,
  .bento-mascot-img {
    display: none !important;
  }

  /* === Card 1: Camera AI Scan — Thu gọn mockup điện thoại === */
  .bento-phone-mockup {
    position: relative !important;
    width: 100% !important;
    height: 100px !important;
    margin: 8px auto 0 auto !important;
    display: flex !important;
    justify-content: center !important;
    top: auto !important; right: auto !important; bottom: auto !important; left: auto !important;
    transform: none !important;
  }
  .bento-phone-mockup .bento-mockup-img {
    width: auto !important;
    height: 100% !important;
    object-fit: contain !important;
  }
  .scan-laser-line {
    display: none !important;
  }

  /* === Card 2: 100% Free Quota — Thu gọn progress bars === */
  .bento-quota-visual {
    position: relative !important;
    width: 100% !important;
    margin: 8px 0 0 0 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 6px !important;
    top: auto !important; right: auto !important; bottom: auto !important; left: auto !important;
    transform: none !important;
  }
  .quota-item {
    padding: 5px 8px !important;
  }
  .quota-title, .quota-val {
    font-size: 0.62rem !important;
  }
  .quota-bar-container {
    height: 3px !important;
  }
  .quota-guarantees {
    display: none !important; /* Ẩn để tiết kiệm chiều cao */
  }

  /* === Card 3: Voice AI — Ẩn bớt bubbles và waveform === */
  .bento-voice-chat {
    position: relative !important;
    width: 100% !important;
    margin: 8px 0 0 0 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 4px !important;
    top: auto !important; right: auto !important; bottom: auto !important; left: auto !important;
    transform: none !important;
  }
  /* Ẩn tất cả bubble trừ 2 cái đầu */
  .bento-voice-chat .chat-bubble:nth-child(n+3) {
    display: none !important;
  }
  .bento-voice-chat .chat-bubble {
    padding: 5px 8px !important;
    font-size: 0.68rem !important;
    max-width: 85% !important;
    margin: 0 !important;
  }
  .bento-audio-visualizer {
    display: none !important; /* Ẩn sóng âm */
  }

  /* === Card 4: Macros Rings — Thu gọn vòng tròn, ẩn legend === */
  .bento-macros-layout {
    position: relative !important;
    width: 100% !important;
    margin: 8px auto 0 auto !important;
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 12px !important;
    top: auto !important; right: auto !important; bottom: auto !important; left: auto !important;
    transform: none !important;
  }
  .bento-mini-rings {
    display: flex !important;
    width: 90px !important;
    height: 90px !important;
    transform: scale(0.6) !important;
    transform-origin: center !important;
    margin: -12px 0 !important;
    position: relative !important;
    top: auto !important; right: auto !important; bottom: auto !important; left: auto !important;
  }
  .mini-ring-svg {
    width: 90px !important;
    height: 90px !important;
  }
  .macros-legend {
    flex-direction: column !important;
    gap: 3px !important;
    align-items: flex-start !important;
  }
  .legend-item {
    font-size: 0.58rem !important;
    padding: 1px 4px !important;
  }

  /* === Card 5: Water Tracker — Thu gọn cốc nước === */
  .bento-water-visual {
    position: relative !important;
    width: 100% !important;
    margin: 8px auto 0 auto !important;
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 12px !important;
    top: auto !important; right: auto !important; bottom: auto !important; left: auto !important;
    transform: none !important;
  }
  .water-glass-container {
    transform: scale(0.7) !important;
    margin: -8px 0 !important;
  }
  .water-badge-label {
    font-size: 0.62rem !important;
    padding: 3px 6px !important;
  }
  .btn-add-water {
    font-size: 0.62rem !important;
    padding: 4px 8px !important;
  }

  /* === Card 6: Streak — Thu gọn, xếp ngang flame + badges === */
  .streak-gamified-details {
    position: relative !important;
    width: 100% !important;
    margin: 8px 0 0 0 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 6px !important;
    top: auto !important; right: auto !important; bottom: auto !important; left: auto !important;
    transform: none !important;
  }
  .bento-streak-visual {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: 8px !important;
  }
  .streak-flame-circle {
    width: 26px !important;
    height: 26px !important;
    font-size: 0.9rem !important;
  }
  .streak-count-label {
    font-size: 0.62rem !important;
  }
  .streak-level-badge {
    font-size: 0.55rem !important;
    padding: 1px 4px !important;
  }
  .streak-xp-progress {
    display: none !important; /* Ẩn thanh XP */
  }
  .bento-badges-row {
    gap: 4px !important;
    justify-content: flex-start !important;
  }
  .badge-item {
    width: 22px !important;
    height: 22px !important;
  }
  .badge-svg {
    width: 12px !important;
    height: 12px !important;
  }

  /* === Card 7: AI Recipes — Thu gọn mockup công thức === */
  .bento-recipe-mockup {
    position: relative !important;
    width: 100% !important;
    margin: 8px auto 0 auto !important;
    display: flex !important;
    justify-content: center !important;
    top: auto !important; right: auto !important; bottom: auto !important; left: auto !important;
    transform: none !important;
  }
  .recipe-card-mini {
    width: 100% !important;
    padding: 6px !important;
    display: flex !important;
    flex-direction: row !important;
    gap: 8px !important;
    align-items: center !important;
  }
  .recipe-img-placeholder {
    height: 50px !important;
    width: 60px !important;
    min-width: 60px !important;
    border-radius: var(--r-sm) !important;
  }
  .recipe-info h4 {
    font-size: 0.62rem !important;
    margin-bottom: 2px !important;
  }
  .recipe-meta {
    font-size: 0.55rem !important;
  }
  .recipe-ingredients {
    display: none !important;
  }

  /* === Card 8: Auth Sync — Thu gọn nút Google & Supabase === */
  .bento-auth-sync-widget {
    position: relative !important;
    width: 100% !important;
    margin: 8px 0 0 0 !important;
    display: flex !important;
    flex-direction: row !important;
    gap: 8px !important;
    top: auto !important; right: auto !important; bottom: auto !important; left: auto !important;
    transform: none !important;
  }
  .google-btn-mockup {
    padding: 6px 10px !important;
    flex: 1 !important;
    font-size: 0.68rem !important;
    justify-content: center !important;
  }
  .supabase-sync-badge {
    padding: 6px 10px !important;
    flex: 1 !important;
    justify-content: center !important;
  }
  .db-icon-wrap {
    width: 16px !important;
    height: 16px !important;
  }
  .db-name {
    font-size: 0.62rem !important;
  }
  .db-status {
    display: none !important; /* Ẩn "Đang hoạt động" */
  }

  /* Reset hover effects trên mobile */
  .bento-card:hover .bento-phone-mockup,
  .bento-card:hover .bento-recipe-mockup,
  .bento-card:hover .bento-mini-rings,
  .bento-card:hover .bento-auth-sync-widget {
    transform: none !important;
  }
}

/* ==========================================
   MOCHI ASSISTANT & INTERACTIVITY UPDATES
   ========================================== */

/* Hero MoChi Badge */
.hero-mochi-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(15, 159, 104, 0.08);
  border: 1px solid rgba(15, 159, 104, 0.2);
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
  animation: heroFloat 3.5s ease-in-out infinite;
  align-self: flex-start;
}
.hero-mochi-avatar {
  width: 24px;
  height: 24px;
  object-fit: contain;
  image-rendering: -webkit-optimize-contrast !important;
  image-rendering: crisp-edges !important;
}
.hero-mochi-msg {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--brand-primary);
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* Bento Speech Bubbles */
.bento-mochi-speech {
  position: absolute;
  bottom: 140px;
  right: 20px;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.75rem;
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
  z-index: 10;
  pointer-events: none;
  opacity: 0;
  transform: translateY(10px) scale(0.95);
  transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  max-width: 160px;
  font-weight: 500;
  line-height: 1.4;
}
.bento-mochi-speech::after {
  content: '';
  position: absolute;
  bottom: -6px;
  right: 30px;
  width: 10px;
  height: 10px;
  background: var(--bg-primary);
  border-right: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  transform: rotate(45deg);
}
.bento-card:hover .bento-mochi-speech {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.bubble-pos-card1 {
  bottom: 140px;
  right: 175px;
}
.bubble-pos-card1::after {
  right: 90px !important;
}
.bubble-pos-card2 {
  bottom: 140px;
  right: 62px;
}
.bubble-pos-card3 {
  bottom: 175px;
  right: 92px;
}
.bubble-pos-card7 {
  bottom: 155px;
  right: 72px;
}
.bubble-pos-card8 {
  bottom: 120px;
  right: 12px;
}

/* ═══ BENTO GRAPHICS & WIDGETS ═══ */

/* Card 1: YOLO AI Scan Target */
.yolo-scan-target {
  position: absolute;
  right: 45px;
  top: 50%;
  transform: translateY(-50%);
  width: 130px;
  height: 130px;
  border: 1px dashed rgba(15, 159, 104, 0.3);
  border-radius: var(--r-md);
  background: rgba(15, 159, 104, 0.03);
  z-index: 1;
  overflow: hidden;
  transition: transform 0.4s var(--transition-bounce);
  backdrop-filter: blur(4px);
}
.bento-card:hover .yolo-scan-target {
  transform: translateY(-50%) scale(1.08);
  border-color: rgba(15, 159, 104, 0.5);
  background: rgba(15, 159, 104, 0.06);
}
.target-corner {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 2px solid var(--brand-primary);
}
.target-corner.top-left { top: 8px; left: 8px; border-right: none; border-bottom: none; }
.target-corner.top-right { top: 8px; right: 8px; border-left: none; border-bottom: none; }
.target-corner.bottom-left { bottom: 8px; left: 8px; border-right: none; border-top: none; }
.target-corner.bottom-right { bottom: 8px; right: 8px; border-left: none; border-top: none; }

.scan-laser {
  position: absolute;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--brand-primary), transparent);
  box-shadow: 0 0 10px var(--brand-primary);
  animation: laserScan 2.5s ease-in-out infinite alternate;
}
.scan-pill {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand-primary);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 100px;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(15, 159, 104, 0.4);
  animation: scanPulse 1.5s ease-in-out infinite alternate;
}
@keyframes laserScan {
  0% { top: 10%; }
  100% { top: 90%; }
}
@keyframes scanPulse {
  0% { transform: translateX(-50%) scale(0.95); opacity: 0.9; }
  100% { transform: translateX(-50%) scale(1.05); opacity: 1; }
}

/* Card 2: AI Quota Visual Widget */
.bento-quota-visual {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  padding: 14px 18px;
  transition: var(--transition-smooth);
  backdrop-filter: blur(8px);
}
.bento-card:hover .bento-quota-visual {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}
.quota-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.quota-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
}
.quota-title {
  color: var(--text-muted);
  font-weight: 600;
}
.quota-val {
  font-weight: 700;
}
.q-unlimited .quota-val {
  color: var(--brand-primary);
  text-shadow: 0 0 8px rgba(15, 159, 104, 0.2);
}
.q-limited .quota-val {
  color: var(--accent-amber);
  text-shadow: 0 0 8px rgba(212, 175, 55, 0.2);
}
.quota-bar-container {
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}
.quota-bar {
  height: 100%;
  border-radius: 10px;
}
.pulse-green {
  background: var(--brand-primary);
  width: 100%;
  box-shadow: 0 0 10px rgba(15, 159, 104, 0.4);
}
.pulse-amber {
  background: var(--accent-amber);
  width: 45%;
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.4);
  animation: pulseAmber 2s infinite alternate;
}
@keyframes pulseAmber {
  0% { opacity: 0.8; }
  100% { opacity: 1; }
}

/* Card 3: Audio Waveform Visualizer */
.bento-audio-visualizer {
  position: absolute;
  bottom: 28px;
  left: 28px;
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 30px;
  z-index: 2;
  transition: var(--transition-smooth);
  max-width: calc(100% - 135px);
}
.audio-bar {
  width: 3px;
  background: var(--brand-primary);
  border-radius: 3px;
  animation: audioWave 1.2s ease-in-out infinite alternate;
  box-shadow: 0 0 8px rgba(15, 159, 104, 0.3);
  transform-origin: bottom;
}
.bar-1 { height: 10px; animation-delay: 0.1s; }
.bar-2 { height: 26px; animation-delay: 0.3s; }
.bar-3 { height: 16px; animation-delay: 0.5s; }
.bar-4 { height: 30px; animation-delay: 0.2s; }
.bar-5 { height: 12px; animation-delay: 0.4s; }
.bar-6 { height: 20px; animation-delay: 0.6s; }

.audio-wave-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-left: 8px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 2px;
}
@keyframes audioWave {
  0% { transform: scaleY(0.3); }
  100% { transform: scaleY(1); }
}

/* Card 4: Concentric Macros Rings (Desktop Absolute position) */
.bento-mini-rings {
  position: absolute;
  right: 40px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 170px;
  height: 170px;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: transform 0.4s var(--transition-bounce);
  margin-top: 0;
}
.bento-card:hover .bento-mini-rings {
  transform: translateY(-50%) scale(1.05) rotate(10deg);
  filter: drop-shadow(0 0 15px rgba(15, 159, 104, 0.25));
}
.rings-label {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
}
.ring-lbl-p, .ring-lbl-c, .ring-lbl-f {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.62rem;
  font-weight: 800;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0,0,0,0.85);
}
.ring-lbl-p { top: 8px; }
.ring-lbl-c { top: 24px; }
.ring-lbl-f { top: 40px; }

/* Card 5: Smart Water Cup Widget */
.bento-water-visual {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  padding: 10px 14px;
  transition: var(--transition-smooth);
  backdrop-filter: blur(8px);
}
.bento-card:hover .bento-water-visual {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}
.water-glass-container {
  position: relative;
  filter: drop-shadow(0 4px 10px rgba(34, 186, 224, 0.25));
  transition: transform 0.3s ease;
}
.bento-card:hover .water-glass-container {
  transform: scale(1.05) translateY(-2px);
  filter: drop-shadow(0 4px 15px rgba(34, 186, 224, 0.4));
}
.btn-add-water {
  background: rgba(15, 159, 104, 0.08);
  border: 1px solid rgba(15, 159, 104, 0.25);
  color: var(--brand-primary);
  padding: 6px 14px;
  border-radius: var(--r-sm);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.btn-add-water:hover {
  background: var(--brand-primary);
  color: #fff;
  border-color: var(--brand-primary);
  box-shadow: 0 0 10px rgba(15, 159, 104, 0.3);
  transform: translateY(-1px);
}
.btn-add-water:active {
  transform: translateY(1px);
}
.water-glass {
  position: relative;
  width: 36px;
  height: 44px;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-top: none;
  border-radius: 0 0 8px 8px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
}
.water-glass::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.2);
}
.water-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 75%;
  background: linear-gradient(180deg, rgba(34, 186, 224, 0.75) 0%, rgba(34, 186, 224, 0.45) 100%);
  animation: waveAnim 3s linear infinite alternate;
}
.water-bubbles {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 75%;
  z-index: 2;
  overflow: hidden;
}
.water-bubbles .bubble {
  position: absolute;
  bottom: -6px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  animation: floatBubble 4s infinite ease-in-out;
}
.water-bubbles .bubble:nth-child(1) { left: 15%; width: 4px; height: 4px; animation-delay: 0s; animation-duration: 3s; }
.water-bubbles .bubble:nth-child(2) { left: 45%; width: 3px; height: 3px; animation-delay: 1s; animation-duration: 4s; }
.water-bubbles .bubble:nth-child(3) { left: 75%; width: 5px; height: 5px; animation-delay: 2s; animation-duration: 3.5s; }

.water-percentage {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 0.65rem;
  font-weight: 800;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
  z-index: 3;
}
.water-icon-svg {
  width: 18px;
  height: 18px;
  display: inline-block;
  vertical-align: middle;
  margin-right: 6px;
  color: #22bae0; /* Water blue */
  flex-shrink: 0;
}
.water-info-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.water-badge-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
}
@keyframes waveAnim {
  0% { transform: skewY(-5deg) translateY(1px); }
  100% { transform: skewY(5deg) translateY(-1px); }
}
@keyframes floatBubble {
  0% { transform: translateY(0) scale(1); opacity: 0; }
  10% { opacity: 0.7; }
  90% { opacity: 0.7; }
  100% { transform: translateY(-35px) scale(0.7); opacity: 0; }
}

/* Card 6: Streak Flame Widget */
.bento-streak-visual {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  padding: 10px 14px;
  transition: var(--transition-smooth);
  backdrop-filter: blur(8px);
}
.bento-card:hover .bento-streak-visual {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}
.streak-badge-container {
  display: flex;
  align-items: center;
  gap: 10px;
}
.streak-flame-circle {
  width: 32px;
  height: 32px;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 8px rgba(212, 175, 55, 0.1);
  transition: var(--transition-smooth);
}
.bento-card:hover .streak-flame-circle {
  background: rgba(212, 175, 55, 0.15);
  border-color: rgba(212, 175, 55, 0.4);
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.3);
}
.flame-icon {
  font-size: 1.1rem;
  animation: firePulse 1.5s ease-in-out infinite alternate;
  filter: drop-shadow(0 0 4px var(--accent-amber));
  display: inline-block;
}
.streak-count-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-amber);
}
.streak-level-badge {
  font-size: 0.7rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--brand-primary) 0%, #0d8a59 100%);
  color: #fff;
  padding: 3px 9px;
  border-radius: 20px;
  box-shadow: 0 2px 6px rgba(15, 159, 104, 0.25);
}
@keyframes firePulse {
  0% { transform: scale(0.9) translateY(0); filter: drop-shadow(0 0 3px var(--accent-amber)); }
  100% { transform: scale(1.1) translateY(-2px); filter: drop-shadow(0 0 10px var(--accent-amber)); }
}

/* Card 7: AI Recipes Floating Ingredients */
.floating-ingredients-container {
  position: absolute;
  right: 25px;
  bottom: 10px;
  width: 140px;
  height: 160px;
  z-index: 1;
  pointer-events: none;
}
.floating-ingredient {
  position: absolute;
  font-size: 1.3rem;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
  animation: floatAnim 3s ease-in-out infinite alternate;
}
.ing-1 { top: 15px; left: 10px; animation-delay: 0s; }
.ing-2 { top: 50px; right: 15px; animation-delay: 0.5s; animation-duration: 3.5s; }
.ing-3 { bottom: 65px; left: 15px; animation-delay: 1s; animation-duration: 4s; }
.ing-4 { bottom: 25px; right: 25px; animation-delay: 1.5s; }

@keyframes floatAnim {
  0% { transform: translateY(0) rotate(0deg) scale(0.95); }
  100% { transform: translateY(-12px) rotate(12deg) scale(1.05); }
}

/* Card 8: Google Auth & Supabase Sync */
.secure-sync-visual {
  position: absolute;
  right: 25px;
  bottom: 25px;
  width: 90px;
  height: 90px;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1;
  opacity: 0.75;
  transition: all 0.4s ease;
}
.bento-card:hover .secure-sync-visual {
  opacity: 1;
  transform: scale(1.05);
}
.sync-arrows {
  width: 80px;
  height: 80px;
  color: var(--brand-primary);
  opacity: 0.15;
  animation: rotateSync 12s linear infinite;
}
.lock-core {
  position: absolute;
  font-size: 1.4rem;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.4));
  animation: lockPulse 2s ease-in-out infinite alternate;
}
@keyframes rotateSync {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
@keyframes lockPulse {
  0% { transform: scale(0.92); }
  100% { transform: scale(1.08); }
}

/* Bento Footer Note Card */
.bento-footer-note {
  grid-column: span 3;
  margin-top: 24px;
  padding: 20px 24px;
  background: rgba(15, 159, 104, 0.02);
  border: 1px solid rgba(15, 159, 104, 0.15);
  border-radius: var(--r-md);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: var(--transition-smooth);
  backdrop-filter: blur(8px);
}

.bento-footer-note:hover {
  background: rgba(15, 159, 104, 0.04);
  border-color: rgba(15, 159, 104, 0.3);
  box-shadow: 0 4px 20px rgba(15, 159, 104, 0.05);
}

.bento-footer-note .info-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--brand-primary);
  opacity: 0.85;
}

.bento-footer-note span {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.bento-footer-note strong {
  color: var(--text-primary);
}

@media (max-width: 1200px) {
  .bento-footer-note {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .bento-footer-note {
    grid-column: span 1;
    padding: 16px;
    gap: 12px;
  }
}

/* TDEE Advice Box */
.tdee-advice-box {
  margin-top: 24px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.02);
  border: 1.5px dashed var(--border-light);
  border-radius: var(--r-md);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.3s ease;
  text-align: left;
}
.tdee-advice-box:hover {
  border-color: var(--brand-primary);
  background: rgba(15, 159, 104, 0.02);
}
.tdee-advice-box .advice-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}
.tdee-advice-box .advice-mochi-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--brand-primary);
  background: var(--bg-secondary);
}
.tdee-advice-box p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* TDEE Macro Food Suggestions */
.tdee-macro-food-suggestions {
  margin-top: 20px;
  padding: 18px;
  background: linear-gradient(135deg, rgba(15, 159, 104, 0.05) 0%, rgba(0, 0, 0, 0) 100%);
  border: 1px solid rgba(15, 159, 104, 0.15);
  border-radius: var(--r-md);
  transition: all 0.4s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  text-align: left;
}
.tdee-macro-food-suggestions h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--brand-primary);
  margin: 0 0 10px 0;
  display: flex;
  align-items: center;
  gap: 6px;
}
.tdee-macro-food-suggestions p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}
.tdee-macro-food-suggestions ul {
  margin: 8px 0 0 0;
  padding-left: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.tdee-macro-food-suggestions li {
  margin-bottom: 6px;
}
.tdee-macro-food-suggestions li strong {
  color: var(--text-primary);
}

/* Interactive Macro Result Cards */
.macro-result-card {
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid var(--border-light);
}
.macro-result-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-sm);
}
.macro-result-card.active[data-macro="protein"] {
  border-color: var(--accent-amber);
  background: rgba(212, 175, 55, 0.06);
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.15);
}
.macro-result-card.active[data-macro="carbs"] {
  border-color: var(--brand-primary);
  background: rgba(15, 159, 104, 0.06);
  box-shadow: 0 0 12px rgba(15, 159, 104, 0.15);
}
.macro-result-card.active[data-macro="fat"] {
  border-color: var(--accent-teal);
  background: rgba(0, 180, 160, 0.06);
  box-shadow: 0 0 12px rgba(0, 180, 160, 0.15);
}

/* Floating MoChi Assistant Widget */
.mochi-assistant-widget {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  pointer-events: none;
}
.mochi-avatar-wrapper {
  position: relative;
  cursor: pointer;
  pointer-events: auto;
  transition: transform 0.3s ease;
}
.mochi-avatar-wrapper:hover {
  transform: scale(1.1);
  animation: widgetWiggle 0.5s ease-in-out infinite;
}
.mochi-widget-img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.4));
  image-rendering: -webkit-optimize-contrast !important;
  image-rendering: crisp-edges !important;
}
.mochi-widget-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background: var(--brand-primary);
  color: #fff;
  font-size: 0.6rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 10px;
  border: 1.5px solid var(--bg-primary);
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}
.mochi-widget-bubble {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 270px;
  background: rgba(18, 20, 24, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 14px 34px 22px 16px;
  backdrop-filter: blur(15px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  opacity: 0;
  transform: translateY(10px) scale(0.95);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  pointer-events: none;
}
.mochi-widget-bubble.active {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.mochi-widget-bubble p {
  font-size: 0.8rem;
  color: var(--text-primary);
  line-height: 1.6;
  margin: 0;
  font-weight: 500;
  text-align: left;
}
.mochi-emoji-wrap {
  white-space: nowrap;
  display: inline-block;
}
.mochi-bubble-close {
  position: absolute;
  top: 8px;
  right: 12px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  line-height: 1;
  padding: 2px;
  transition: color 0.2s;
}
.mochi-bubble-close:hover {
  color: var(--brand-primary);
}
@keyframes widgetWiggle {
  0%, 100% { transform: rotate(0); }
  25% { transform: rotate(-4deg); }
  75% { transform: rotate(4deg); }
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
  .mochi-assistant-widget {
    bottom: 20px;
    right: 20px;
  }
  .mochi-widget-img {
    width: 50px;
    height: 50px;
  }
  .mochi-widget-bubble {
    width: 220px;
    bottom: 65px;
    right: 0;
    padding: 12px 28px 12px 14px;
  }
  .mochi-bubble-close {
    right: 8px;
    top: 6px;
  }
  .hero h1 {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
    line-height: 1.2;
  }
  .hero-desc {
    margin-bottom: 24px;
  }
  .hero-mochi-badge {
    align-self: center;
    margin-bottom: 16px;
  }
  .hero-image {
    max-height: 300px;
  }
  .bento-mochi-speech {
    display: none; /* Hide interactive hover bubbles on mobile */
  }
}

/* ═══ SPA Page Transitions & Nav Active Styling ═══ */
.spa-section {
  opacity: 0;
  transform: translateY(24px) scale(0.985);
  transition: opacity 0.4s cubic-bezier(0.23, 1, 0.32, 1), transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.spa-section.active-page {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.spa-section.exit-page {
  opacity: 0 !important;
  transform: translateY(-24px) scale(0.985) !important;
  transition: opacity 0.25s cubic-bezier(0.4, 0, 1, 1), transform 0.25s cubic-bezier(0.4, 0, 1, 1);
}

.hidden-page {
  display: none !important;
}

.nav-links a.active {
  color: var(--brand-primary);
  background: rgba(15, 159, 104, 0.12);
}

/* ═══ Mochi Additional Placements & Styling ═══ */

/* 1. Mochi step images in How Section */
.step-mochi-img {
  width: 90px;
  height: 90px;
  object-fit: contain;
  margin-bottom: 20px;
  display: block;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.3));
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.how-step-card:hover .step-mochi-img {
  transform: scale(1.15) translateY(-6px) rotate(2deg);
}

/* 2. Mochi secure image in Safety Banner */
.safety-mochi-img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.3));
  flex-shrink: 0;
  align-self: center;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.safety-banner:hover .safety-mochi-img {
  transform: scale(1.1) rotate(-3deg);
}

.safety-banner {
  align-items: center;
}

/* 3. Mochi helper column in FAQ Section */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  max-width: 1100px;
  margin: 0 auto;
  align-items: flex-start;
}

.faq-mochi-helper {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.faq-mochi-img {
  width: 140px;
  height: 140px;
  object-fit: contain;
  margin-top: 15px;
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.3));
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.faq-mochi-helper:hover .faq-mochi-img {
  transform: scale(1.1) rotate(-3deg);
}

.faq-mochi-bubble {
  background: rgba(15, 159, 104, 0.06);
  border: 1.5px solid rgba(15, 159, 104, 0.15);
  color: var(--text-main);
  padding: 14px 18px;
  border-radius: var(--r-md);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.5;
  position: relative;
  margin-bottom: 10px;
  box-shadow: var(--shadow-sm);
}

.faq-mochi-bubble::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 8px 8px 0;
  border-style: solid;
  border-color: rgba(15, 159, 104, 0.15) transparent transparent;
  display: block;
  width: 0;
}

/* 4. Bottom CTA Section Grid Layout & Mochi Image */
.bottom-cta-card {
  text-align: left;
  background: linear-gradient(135deg, rgba(15, 159, 104, 0.06) 0%, rgba(212, 175, 55, 0.04) 100%);
  border: 1.5px solid var(--border-hover);
  border-radius: var(--r-lg);
  padding: 60px;
  box-shadow: var(--shadow-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  position: relative;
  overflow: hidden;
}

.bottom-cta-content {
  flex: 1;
  max-width: 65%;
}

.bottom-cta-card h2 {
  margin-bottom: 12px;
  font-size: 1.8rem;
  font-weight: 800;
}

.bottom-cta-card p {
  color: var(--text-muted);
  margin: 0 0 32px 0;
  max-width: 550px;
  font-size: 1rem;
}

.bottom-cta-mochi {
  height: 180px;
  object-fit: contain;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.4));
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  flex-shrink: 0;
}

.bottom-cta-card:hover .bottom-cta-mochi {
  transform: scale(1.12) rotate(5deg) translateY(-5px);
}

/* Responsive adjustments for new Mochi integrations */
@media (max-width: 992px) {
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .faq-mochi-helper {
    order: -1;
    max-width: 500px;
    margin: 0 auto 20px;
  }
}

@media (max-width: 768px) {
  .bottom-cta-card {
    flex-direction: column;
    text-align: center;
    padding: 48px 24px;
    gap: 24px;
  }

  .bottom-cta-content {
    max-width: 100%;
  }

  .bottom-cta-card p {
    margin: 0 auto 24px;
  }

  .bottom-cta-mochi {
    height: 130px;
  }
}

/* Custom responsive adjustments for small mobile viewports */
@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-image {
    max-height: 240px;
  }

  .form-row-three {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 375px) {
  .brand-icon {
    width: 28px !important;
    height: 28px !important;
  }
  .brand-text strong {
    font-size: 0.95rem !important;
  }
  .brand-text span {
    font-size: 0.62rem !important;
  }
  .brand {
    gap: 8px !important;
  }
  .site-header {
    padding: 10px 0 !important;
  }
  .nav-links {
    top: 64px !important;
  }
}

/* ═══ Page Transition Curtain ═══ */
.page-transition-curtain {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at center, rgba(5, 7, 13, 0.95) 40%, rgba(15, 159, 104, 0.12) 100%);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 99999; /* Ensure it is above everything */
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.32s cubic-bezier(0.25, 1, 0.5, 1);
}

.page-transition-curtain.active {
  opacity: 1;
  pointer-events: auto;
}

.curtain-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  transform: translateY(20px);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.page-transition-curtain.active .curtain-content {
  transform: translateY(0);
}

.curtain-mochi-wrapper {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.curtain-mochi {
  width: 90px;
  height: 90px;
  object-fit: contain;
  z-index: 2;
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.3));
  animation: mochiWiggle 1.5s ease-in-out infinite alternate;
}

.curtain-loading-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid rgba(15, 159, 104, 0.15);
  border-top-color: var(--brand-primary);
  animation: spin 1.2s linear infinite;
  z-index: 1;
}

.curtain-loading-text {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, var(--text-main), var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@keyframes mochiWiggle {
  0% {
    transform: rotate(-6deg) scale(0.95);
  }
  100% {
    transform: rotate(6deg) scale(1.05);
  }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ==========================================================================
   NÂNG CẤP ĐỘT PHÁ UI/UX SIMULATOR 2026 (LIVE CAMERA, DRAG & DROP, 3D TILT)
   ========================================================================== */

/* Nút Bật/Tắt Live Camera Cyberpunk */
.camera-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 11px 18px;
  margin-top: 12px;
  background: rgba(15, 159, 104, 0.06);
  border: 1.5px solid rgba(15, 159, 104, 0.3);
  border-radius: var(--r-md);
  color: var(--brand-primary);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(15, 159, 104, 0.05);
}

.camera-toggle-btn:hover {
  background: var(--brand-primary);
  color: #fff;
  border-color: var(--brand-primary);
  box-shadow: 0 0 15px rgba(15, 159, 104, 0.4);
  transform: translateY(-2px);
}

.camera-toggle-btn.active {
  background: #ef4444;
  color: #fff;
  border-color: #ef4444;
  box-shadow: 0 0 15px rgba(239, 68, 68, 0.4);
}

.camera-icon {
  transition: transform 0.3s ease;
}

.camera-toggle-btn:hover .camera-icon {
  transform: rotate(15deg);
}

/* Thẻ video feed hiển thị camera trực tiếp */
.ar-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  transition: opacity 0.3s ease;
}

/* Nút chụp hình ảo bên trong camera screen */
.ar-capture-btn {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 4px solid #fff;
  padding: 4px;
  cursor: pointer;
  z-index: 10;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.4);
  transition: all 0.2s ease;
}

.ar-capture-btn-inner {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: #fff;
  transition: all 0.2s ease;
}

.ar-capture-btn:hover {
  transform: translateX(-50%) scale(1.08);
  background: rgba(255, 255, 255, 0.25);
}

.ar-capture-btn:active {
  transform: translateX(-50%) scale(0.92);
}

.ar-capture-btn:active .ar-capture-btn-inner {
  transform: scale(0.85);
}

/* Hiệu ứng chớp sáng màn trập */
.shutter-flash {
  position: absolute;
  inset: 0;
  background: #fff;
  opacity: 0;
  z-index: 12;
  pointer-events: none;
}

.shutter-flash.flash-active {
  animation: shutterFlash 0.3s ease-out forwards;
}

@keyframes shutterFlash {
  0% { opacity: 0; }
  15% { opacity: 0.95; }
  100% { opacity: 0; }
}

/* Lớp phủ Drag & Drop Glassmorphic */
.drag-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  z-index: 15;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 16px;
}

.drag-overlay-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 90%;
  height: 90%;
  border: 2px dashed rgba(15, 159, 104, 0.4);
  border-radius: var(--r-md);
  color: var(--text-main);
  text-align: center;
  transition: all 0.3s ease;
  background: rgba(15, 159, 104, 0.02);
}

.drag-icon {
  color: var(--brand-primary);
  animation: floatIcon 2.0s ease-in-out infinite alternate;
}

.drag-overlay-content span:first-of-type {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.drag-overlay-sub {
  font-size: 0.72rem;
  color: var(--text-dim);
}

/* Lớp viền đứt nét phát sáng chạy động khi kéo ảnh */
.ar-camera-view.drag-active .drag-overlay {
  opacity: 1;
}

.ar-camera-view.drag-active .drag-overlay-content {
  border-color: var(--brand-primary);
  box-shadow: inset 0 0 15px rgba(15, 159, 104, 0.1);
  background: rgba(15, 159, 104, 0.05);
}

@keyframes floatIcon {
  0% { transform: translateY(-4px); }
  100% { transform: translateY(4px); }
}

/* Hiệu ứng 3D Perspective Tilt cho màn hình lớn */
@media (min-width: 992px) {
  .simulator-container {
    perspective: 1200px;
  }

  .sim-phone, .sim-analysis {
    transition: transform 0.12s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.25s ease;
    transform-style: preserve-3d;
    will-change: transform;
  }

  /* Specular Sheen (Phản xạ ánh sáng) trên điện thoại Mockup */
  .phone-mockup-frame::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 40px;
    background: radial-gradient(circle at var(--sheen-x, 50%) var(--sheen-y, -20%), rgba(255, 255, 255, 0.12) 0%, transparent 60%);
    pointer-events: none;
    z-index: 20;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .sim-phone:hover .phone-mockup-frame::after {
    opacity: 1;
  }
}

/* ════════════════════════════════════════════════ */
/* ═══ NÂNG CẤP ĐỘT PHÁ UI/UX XU HƯỚNG 2026 ═══ */
/* ════════════════════════════════════════════════ */

/* ═══ 1. Dark/Light Theme Switching CSS Variables ═══ */
body.light-theme {
  --bg-primary: #F0F4F8;     /* Màu xám sáng nhẹ nhàng */
  --bg-secondary: #FFFFFF;   /* Màu trắng tuyết tinh khiết */
  --bg-card: rgba(255, 255, 255, 0.82);
  --bg-card-hover: rgba(255, 255, 255, 0.95);

  --text-main: #1A1F26;      /* Đen xám mịn màng */
  --text-muted: #5A6578;     /* Xám xanh dịu mát */
  --text-dim: #8E9BAE;

  --border-light: rgba(0, 0, 0, 0.06);
  --border-hover: rgba(15, 159, 104, 0.35);

  --shadow-sm: 0 4px 12px rgba(10, 20, 30, 0.05);
  --shadow-md: 0 10px 30px rgba(10, 20, 30, 0.08);
  --shadow-lg: 0 16px 50px rgba(10, 20, 30, 0.12);
}

/* Áp dụng hiệu ứng chuyển dịch êm ái cho toàn bộ giao diện */
body, header, .bento-card, .section, .site-header, .brand, .nav-links a, .tdee-card, .faq-item, .bento-water-visual, .bento-voice-chat, .chat-bubble {
  transition: background-color 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              color 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Nút chuyển đổi Theme */
.theme-toggle-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-bounce);
  backdrop-filter: blur(10px);
  flex-shrink: 0; /* Ngăn nút bị bóp méo thành hình oval trên màn hình trung gian */
}
.theme-toggle-btn:hover {
  background: rgba(15, 159, 104, 0.1);
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  transform: scale(1.1) rotate(15deg);
  box-shadow: 0 0 12px rgba(15, 159, 104, 0.25);
}
.theme-toggle-btn:active {
  transform: scale(0.95);
}
body.light-theme .sun-icon {
  display: none;
}
body.light-theme .moon-icon {
  display: block !important;
  color: #1A1F26;
}

/* ═══ 2. Custom Cursor & Glowing Aura Canvas - Đã lược bỏ hoàn toàn để khôi phục con trỏ chuột mặc định tinh khiết ═══ */

/* ═══ 3. Bento Card 3 Voice Chat Interactive Mic ═══ */
.voice-mic-btn {
  background: rgba(157, 124, 255, 0.1);
  border: 1px solid rgba(157, 124, 255, 0.25);
  color: var(--accent-violet);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-bounce);
}
.voice-mic-btn:hover {
  background: var(--accent-violet);
  color: #fff;
  border-color: var(--accent-violet);
  box-shadow: 0 0 10px rgba(157, 124, 255, 0.4);
  transform: scale(1.08);
}
.voice-mic-btn.listening {
  background: #ff4a7d !important;
  border-color: #ff4a7d !important;
  color: #fff !important;
  box-shadow: 0 0 15px rgba(255, 74, 125, 0.5) !important;
  animation: pulse-red-listening 1.2s infinite ease-in-out;
}
@keyframes pulse-red-listening {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}
.voice-wave-container {
  flex: 1;
  height: 30px;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.015);
  border-radius: 4px;
  overflow: hidden;
  padding: 0 5px;
}
#voiceWaveform {
  width: 100%;
  height: 100%;
}
.audio-wave-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
  transition: var(--transition-smooth);
}
.bento-audio-visualizer {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px !important;
  background: rgba(255, 255, 255, 0.02) !important;
  border: 1px solid var(--border-light) !important;
  border-radius: var(--r-md);
  margin-top: 14px;
  backdrop-filter: blur(8px);
  max-width: calc(100% - 135px);
}

/* ═══ 4. Bento Card 5 Water Dual Controller Buttons ═══ */
.water-ctrl-btns {
  display: flex;
  gap: 6px;
}
.water-btn {
  background: rgba(50, 215, 240, 0.06);
  border: 1px solid rgba(50, 215, 240, 0.2);
  color: var(--accent-cyan);
  padding: 5px 10px;
  border-radius: var(--r-sm);
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.water-btn:hover {
  background: var(--accent-cyan);
  color: #000;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(50, 215, 240, 0.35);
  transform: translateY(-1px);
}
.water-btn:active {
  transform: translateY(1px);
}
.water-wave {
  transition: height 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.water-bubbles .bubble {
  position: absolute;
  bottom: 0;
  background: rgba(255,255,255,0.45);
  border-radius: 50%;
  animation: float-bubble 2s infinite ease-in;
}
.water-bubbles .bubble:nth-child(1) { left: 25%; width: 4px; height: 4px; animation-delay: 0.2s; }
.water-bubbles .bubble:nth-child(2) { left: 45%; width: 6px; height: 6px; animation-delay: 0.8s; }
.water-bubbles .bubble:nth-child(3) { left: 70%; width: 3px; height: 3px; animation-delay: 1.4s; }
.water-bubbles .bubble:nth-child(4) { left: 15%; width: 5px; height: 5px; animation-delay: 0.5s; }
.water-bubbles .bubble:nth-child(5) { left: 80%; width: 5px; height: 5px; animation-delay: 1.1s; }

@keyframes float-bubble {
  0% { bottom: 0; opacity: 0; transform: translateX(0); }
  50% { opacity: 0.8; }
  100% { bottom: 85%; opacity: 0; transform: translateX(4px); }
}

/* ═══ 5. Bento Card 8 Cloud Sync Interactive Button ═══ */
.supabase-sync-badge-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(15, 159, 104, 0.04);
  border: 1px solid rgba(15, 159, 104, 0.15);
  padding: 8px 12px;
  border-radius: 30px;
  cursor: pointer;
  transition: var(--transition-bounce);
  color: var(--text-main);
  text-align: left;
}
.supabase-sync-badge-btn:hover {
  background: rgba(15, 159, 104, 0.08);
  border-color: var(--brand-primary);
  box-shadow: 0 4px 15px rgba(15, 159, 104, 0.2);
  transform: translateY(-2px);
}
.supabase-sync-badge-btn:active {
  transform: translateY(1px);
}

.supabase-sync-badge-btn.syncing .db-icon-wrap {
  animation: spin-cloud-sync 1.2s infinite linear;
  color: var(--accent-amber);
}

@keyframes spin-cloud-sync {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.supabase-sync-badge-btn.success {
  border-color: var(--brand-primary) !important;
  background: rgba(15, 159, 104, 0.12) !important;
}
.supabase-sync-badge-btn.success .db-icon-wrap {
  color: var(--brand-primary);
  animation: scale-success-checkmark 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes scale-success-checkmark {
  0% { transform: scale(0.6); }
  100% { transform: scale(1.1); }
}

/* ═══ 6. TDEE Sliders & Ambient Glow Tuning ═══ */
body.light-theme .tdee-card {
  background: rgba(255, 255, 255, 0.9) !important;
  border-color: rgba(0, 0, 0, 0.08) !important;
  box-shadow: var(--shadow-md) !important;
}

body.light-theme .tdee-card:hover {
  border-color: rgba(15, 159, 104, 0.25) !important;
}

body.light-theme .calc-title-box h3 {
  color: #1A1F26 !important;
}

/* ════════════════════════════════════════════════ */
/* ═══ NÂNG CẤP ĐỘT PHÁ TỐI ƯU UI/UX ĐỢT 2 (2026) ═══ */
/* ════════════════════════════════════════════════ */

/* --- A. Bento Interactive Elements & Buttons --- */
.bento-interactive-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 6px 12px;
  border-radius: 20px;
  color: #FFFFFF;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 10px;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  backdrop-filter: blur(8px);
  will-change: transform, box-shadow;
}

body.light-theme .bento-interactive-btn {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.1);
  color: #1A1F26;
}

.bento-interactive-btn:hover {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  box-shadow: 0 4px 15px rgba(15, 159, 104, 0.35);
  transform: translateY(-2px);
  color: #FFFFFF;
}

body.light-theme .bento-interactive-btn:hover {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #FFFFFF;
}

.bento-interactive-btn:active {
  transform: translateY(1px);
}

.bento-interactive-btn svg {
  transition: transform 0.3s ease;
}

.bento-interactive-btn:hover svg {
  transform: scale(1.1);
}

/* --- B. Bento Card 1: Scan Laser & Glassmorphic Tooltip --- */
#bentoCardScan {
  position: relative;
  overflow: hidden;
}

#bentoLaserBar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, transparent, var(--brand-primary), #00F2FE, var(--brand-primary), transparent);
  box-shadow: 0 0 12px var(--brand-primary), 0 0 20px #00F2FE;
  opacity: 0;
  pointer-events: none;
}

#bentoLaserBar.scanning {
  animation: bentoScanLaser 1.5s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  opacity: 1;
}

@keyframes bentoScanLaser {
  0% { top: 0%; }
  50% { top: 100%; }
  100% { top: 0%; }
}

/* Glassmorphic Tooltip Bubble */
.bento-scan-tooltip-bubble {
  position: absolute;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%) scale(0.9);
  background: rgba(10, 25, 20, 0.78);
  border: 1px solid rgba(15, 159, 104, 0.4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35), 0 0 15px rgba(15, 159, 104, 0.25);
  backdrop-filter: blur(12px);
  padding: 6px 12px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  pointer-events: none;
  z-index: 10;
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

body.light-theme .bento-scan-tooltip-bubble {
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(15, 159, 104, 0.25);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1), 0 0 10px rgba(15, 159, 104, 0.15);
}

.bento-scan-tooltip-bubble:not(.hidden) {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

.bento-tooltip-txt {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.2px;
}

body.light-theme .bento-tooltip-txt {
  color: #1A1F26;
}

.sparkle-icon {
  animation: pulse-sparkle 1s infinite alternate;
  color: var(--accent-amber);
}

@keyframes pulse-sparkle {
  0% { transform: scale(0.9); filter: drop-shadow(0 0 2px var(--accent-amber)); }
  100% { transform: scale(1.15); filter: drop-shadow(0 0 6px var(--accent-amber)); }
}

/* --- C. Bento Card 6: Streak Sparkle Flame & Level Up --- */
#bentoStreakFlame.active {
  animation: flame-burn-dynamic 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) infinite alternate;
}

#bentoStreakFlame.active .flame-icon {
  display: inline-block;
  animation: flame-wobble-rotate 0.4s infinite alternate;
}

@keyframes flame-burn-dynamic {
  0% {
    transform: scale(1);
    box-shadow: 0 0 10px rgba(255, 115, 0, 0.4), 0 0 20px rgba(255, 204, 0, 0.2);
    border-color: rgba(255, 115, 0, 0.4);
  }
  100% {
    transform: scale(1.15);
    box-shadow: 0 0 20px rgba(15, 159, 104, 0.6), 0 0 35px rgba(0, 242, 254, 0.3);
    border-color: var(--brand-primary);
  }
}

@keyframes flame-wobble-rotate {
  0% { transform: rotate(-3deg) scale(0.95); }
  100% { transform: rotate(3deg) scale(1.1); }
}

/* Streak button custom styles */
#bentoStreakBtn.claimed {
  background: rgba(15, 159, 104, 0.12) !important;
  border-color: var(--brand-primary) !important;
  color: var(--brand-primary) !important;
  pointer-events: none;
}

#bentoStreakBtn.claimed svg {
  color: var(--brand-primary);
}

/* --- D. TDEE AI Goal Planner Tabs --- */
.tdee-goal-tabs {
  display: flex;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 4px;
  border-radius: 24px;
  margin: 18px 0;
  gap: 4px;
}

body.light-theme .tdee-goal-tabs {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.06);
}

.goal-tab-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: transparent;
  border: none;
  padding: 8px 14px;
  border-radius: 20px;
  color: var(--text-muted);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.goal-tab-btn:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.05);
}

body.light-theme .goal-tab-btn:hover {
  color: #1A1F26;
  background: rgba(0, 0, 0, 0.04);
}

/* Active tab styles depending on goals for premium aesthetic */
.goal-tab-btn.active[data-goal="maintenance"] {
  background: rgba(15, 159, 104, 0.15);
  border: 1px solid rgba(15, 159, 104, 0.3);
  color: var(--brand-primary);
  box-shadow: 0 0 15px rgba(15, 159, 104, 0.15);
}

.goal-tab-btn.active[data-goal="cutting"] {
  background: rgba(0, 242, 254, 0.12);
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: #00F2FE;
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
}

.goal-tab-btn.active[data-goal="bulking"] {
  background: rgba(255, 115, 0, 0.12);
  border: 1px solid rgba(255, 115, 0, 0.3);
  color: #FF7300;
  box-shadow: 0 0 15px rgba(255, 115, 0, 0.15);
}

body.light-theme .goal-tab-btn.active {
  color: #FFFFFF !important;
}

body.light-theme .goal-tab-btn.active[data-goal="maintenance"] {
  background: var(--brand-primary) !important;
}

body.light-theme .goal-tab-btn.active[data-goal="cutting"] {
  background: #00B4DB !important;
}

body.light-theme .goal-tab-btn.active[data-goal="bulking"] {
  background: #E65C00 !important;
}

/* --- E. Magnetic Buttons Transition Support --- */
.btn-primary, .btn-secondary, .google-btn-mockup, .bento-interactive-btn, .camera-toggle-btn {
  transition: transform 0.2s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.3s ease, background 0.3s ease;
}

/* ==========================================
   F. NÂNG CẤP UI/UX TƯƠNG TÁC ĐỢT 3 (XU HƯỚNG 2026)
   ========================================== */

/* 1. Bento Spotlight Dynamic Mouse Glow - Đã chuyển sang hover CSS tĩnh dịu mắt tiết kiệm CPU */

/* 2. Interactive SVG Macros Rings */
.macro-ring-group {
  transition: transform 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.macro-ring-group:hover {
  transform: scale(1.05);
  transform-origin: 80px 80px; /* Tâm hình tròn xoay quanh 80 80 của SVG */
}

.bento-macro-tooltip {
  position: absolute;
  background: rgba(13, 20, 18, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(15, 159, 104, 0.45);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #FFFFFF;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 15px rgba(15, 159, 104, 0.25);
  z-index: 100;
  pointer-events: none;
  white-space: nowrap;
  transition: opacity 0.15s ease, transform 0.15s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  opacity: 0;
  transform: scale(0.9) translate(-50%, -100%);
  top: 0;
  left: 0;
}
.bento-macro-tooltip.show {
  opacity: 1;
  transform: scale(1) translate(-50%, -120%);
}

/* 3. Smart Floating Slider Thumb Tooltips */
.range-input-container {
  position: relative;
}

.tdee-slider-tooltip {
  position: absolute;
  top: -38px;
  left: var(--percent, 50%);
  transform: translateX(-50%) scale(0.85);
  background: rgba(15, 159, 104, 0.95);
  color: #FFFFFF;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(15, 159, 104, 0.3), 0 0 8px rgba(15, 159, 104, 0.4);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1), transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 50;
  white-space: nowrap;
}

.tdee-slider-tooltip::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 4px 4px 0;
  border-style: solid;
  border-color: rgba(15, 159, 104, 0.95) transparent;
}

.tdee-slider-tooltip.show {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

/* 4. Copy TDEE target với Toast */
.tdee-copy-container {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.tdee-copy-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 6px 10px;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
  gap: 6px;
}

.tdee-copy-btn:hover {
  background: rgba(15, 159, 104, 0.15);
  border-color: var(--brand-primary);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 0 10px rgba(15, 159, 104, 0.25);
}

.tdee-copy-btn:active {
  transform: scale(0.95);
}

.tdee-copy-btn svg {
  stroke: currentColor;
}

.tdee-copy-toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(13, 20, 18, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--brand-primary);
  padding: 10px 22px;
  border-radius: 50px;
  color: #FFFFFF;
  font-size: 0.8rem;
  font-weight: 700;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6), 0 0 15px rgba(15, 159, 104, 0.35);
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.25, 1, 0.5, 1), transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: flex;
  align-items: center;
  gap: 8px;
}

.tdee-copy-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* 5. Bento Card 7 Carousel Transitions */
.recipe-card-mini {
  transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.25, 1, 0.5, 1), filter 0.25s ease;
}

.recipe-card-mini.slide-fade-out {
  opacity: 0;
  transform: translateX(-15px) scale(0.95);
  filter: blur(4px);
}

.recipe-card-mini.slide-fade-in {
  opacity: 1;
  transform: translateX(0) scale(1);
  filter: blur(0);
}

/* Tinh chỉnh nút bento-interactive-btn cho 2026 */
.bento-interactive-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
  position: relative;
  z-index: 10;
}

.bento-interactive-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.bento-btn-icon-svg {
  transition: transform 0.3s ease;
}

.bento-interactive-btn:hover .bento-btn-icon-svg {
  transform: rotate(180deg);
}

/* 6. Dynamic Water Gas Bubbles */
.water-bubbles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 5;
}

.bubble-sparkle {
  position: absolute;
  bottom: 0;
  width: 5px;
  height: 5px;
  background: rgba(255, 255, 255, 0.45);
  border-radius: 50%;
  pointer-events: none;
  animation: riseUpBubble var(--duration, 1.6s) ease-in forwards;
  filter: drop-shadow(0 0 2px rgba(255, 255, 255, 0.6));
}

@keyframes riseUpBubble {
  0% {
    transform: translateY(10px) scale(0.6);
    opacity: 0;
  }
  15% {
    opacity: 0.8;
  }
  80% {
    opacity: 0.8;
  }
  100% {
    transform: translateY(-90px) translateX(var(--drift, 12px)) scale(1.1);
    opacity: 0;
  }
}

/* ═══ Tối ưu hóa khoảng trống điều hướng cho màn hình laptop/tablet trung gian ═══ */
@media (min-width: 1025px) and (max-width: 1180px) {
  .nav-links {
    gap: 4px !important;
    padding: 3px !important;
  }
  .nav-links a {
    padding: 6px 12px !important;
    font-size: 0.82rem !important;
  }
  .nav-actions {
    gap: 8px !important;
  }
  .nav-actions .btn-nav {
    padding: 8px 16px !important;
    font-size: 0.82rem !important;
  }
}