/* =====================================================================
   AI Nutrition Coach — Modern UI/UX CSS (v4, Modern Premium & Smooth)
   Thiết kế cao cấp, hiệu ứng mượt mà (smooth transitions & keyframes),
   kết hợp Glassmorphic, Card elevation, Micro-interactions chuẩn UX.
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&family=JetBrains+Mono:wght@500;600;700&display=swap');

:root {
  --bg:            #F7F8FA;
  --bg-blob-a:     #E2F1E7;
  --bg-blob-b:     #FDEBE1;
  --surface:       #FFFFFF;
  --surface-sunk:  #F1F5F0;
  --border:        #E2E8F0;
  --border-subtle: #EDF2F7;
  --ink:           #1A202C;
  --ink-soft:      #64748B;
  --ink-light:     #94A3B8;

  --primary:       #2E7D46;
  --primary-dark:  #1E532E;
  --primary-light: #48A364;
  --primary-tint:  #E8F5E9;
  
  --accent:        #F97316;
  --accent-tint:   #FFF7ED;
  --accent-dark:   #C2410C;
  
  --yellow:        #F59E0B;
  --yellow-tint:   #FEF3C7;

  --lvl-kem:        #EF4444;
  --lvl-trungbinh:  #F59E0B;
  --lvl-tot:        #10B981;
  --lvl-xuatsac:    #059669;
  --lvl-quamuc:     #8B5CF6;

  --radius-xs: 8px;
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.03), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-card: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.03);
  --shadow-hover: 0 20px 30px -10px rgba(15, 23, 42, 0.1), 0 10px 15px -5px rgba(15, 23, 42, 0.05);
  --shadow-soft: 0 4px 12px -2px rgba(46, 125, 70, 0.15);

  --sidebar-w: 248px;

  --font-display: 'Be Vietnam Pro', sans-serif;
  --font-body: 'Be Vietnam Pro', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------------------------------------------------------------- */
/* Global Reset & Base                                               */
/* ---------------------------------------------------------------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: #94A3B8;
}

a {
  color: inherit;
  text-decoration: none;
}
button {
  font-family: inherit;
  border: none;
  background: none;
}
[hidden] {
  display: none !important;
}

/* ---------------------------------------------------------------- */
/* Keyframe Animations                                              */
/* ---------------------------------------------------------------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 0 0px rgba(249, 115, 22, 0));
  }
  50% {
    transform: scale(1.08);
    filter: drop-shadow(0 0 10px rgba(249, 115, 22, 0.4));
  }
}

@keyframes floatAnim {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

/* ---------------------------------------------------------------- */
/* Brand / Logo                                                      */
/* ---------------------------------------------------------------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 21px;
  letter-spacing: -0.02em;
  color: var(--primary-dark);
  text-decoration: none;
  transition: transform 0.2s var(--ease-spring);
}
.brand:hover {
  transform: scale(1.02);
}
.brand span {
  color: var(--accent);
}
.brand-logo {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  animation: floatAnim 4s ease-in-out infinite;
}

/* ---------------------------------------------------------------- */
/* Auth Shell (Login / Register)                                    */
/* ---------------------------------------------------------------- */
body:has(#view-login:not([hidden])) {
  background:
    radial-gradient(600px 500px at 85% -10%, var(--bg-blob-a) 0%, transparent 75%),
    radial-gradient(550px 450px at -10% 95%, var(--bg-blob-b) 0%, transparent 75%),
    var(--bg);
}

.auth-shell {
  max-width: 440px;
  margin: 0 auto;
  padding: 60px 24px 40px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  animation: fadeInScale 0.4s var(--ease-spring);
}
.auth-shell .brand {
  font-size: 34px;
  justify-content: center;
  width: 100%;
  margin-bottom: 10px;
}
.auth-shell .brand-logo {
  width: 40px;
  height: 40px;
}
.auth-head {
  text-align: center;
  margin-bottom: 32px;
}
.auth-shell .card {
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.08);
}

/* ---------------------------------------------------------------- */
/* App Layout: Sidebar + Main Column                                */
/* ---------------------------------------------------------------- */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border-subtle);
  padding: 28px 18px;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 25;
}
.sidebar .brand {
  margin-bottom: 36px;
  padding-left: 6px;
}

.side-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.side-nav a {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  font-size: 14.5px;
  color: var(--ink-soft);
  position: relative;
  transition: all 0.25s var(--ease-smooth);
}
.side-nav a svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.2s var(--ease-spring);
}
.side-nav a:hover {
  background: var(--surface-sunk);
  color: var(--ink);
}
.side-nav a:hover svg {
  transform: scale(1.15);
}
.side-nav a.active {
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-soft);
}
.side-nav a.active svg {
  color: #FFFFFF;
}

.sidebar-fill {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 0;
}

.sidebar-tip {
  background: linear-gradient(135deg, #F8FAFC 0%, var(--primary-tint) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-top: 16px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s var(--ease-spring);
}
.sidebar-tip:hover {
  transform: translateY(-2px);
}
.sidebar-tip-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.sidebar-tip p {
  font-size: 12.5px;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.55;
}

.sidebar-footer {
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
  margin-top: 14px;
}
.logout-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  background: none;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 14.5px;
  color: var(--ink-soft);
  width: 100%;
  text-align: left;
  transition: all 0.2s var(--ease-smooth);
}
.logout-link svg {
  width: 19px;
  height: 19px;
  transition: transform 0.2s var(--ease-spring);
}
.logout-link:hover {
  background: #FEE2E2;
  color: var(--lvl-kem);
}
.logout-link:hover svg {
  transform: translateX(3px);
}

.main-col {
  flex: 1;
  min-width: 0;
}

.topbar-mobile {
  display: none;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 20;
}
.icon-btn {
  background: none;
  border: none;
  padding: 6px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}
.icon-btn:hover {
  background: var(--surface-sunk);
}
.icon-btn svg {
  width: 24px;
  height: 24px;
}

.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  z-index: 29;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.drawer-overlay.open {
  display: block;
  opacity: 1;
}

.content {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 28px 96px;
}

.route-section {
  animation: fadeInUp 0.35s var(--ease-spring);
}

/* ---------------------------------------------------------------- */
/* Grid Layouts                                                      */
/* ---------------------------------------------------------------- */
.today-grid, .progress-grid, .exercise-grid {
  display: grid;
  gap: 24px;
  align-items: start;
}
.today-grid { grid-template-columns: 1fr 350px; }
.progress-grid { grid-template-columns: 320px 1fr; }
.exercise-grid { grid-template-columns: 320px 1fr; }

.today-side, .progress-side, .exercise-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 28px;
}

@media (max-width: 860px) {
  .sidebar {
    position: fixed;
    left: 0; top: 0;
    z-index: 30;
    transform: translateX(-100%);
    transition: transform 0.3s var(--ease-spring);
    box-shadow: 0 0 0 rgba(0,0,0,0);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 20px 0 40px rgba(15,23,42,0.15);
  }
  .topbar-mobile { display: flex; }
  .content { padding: 20px 16px 90px; }
}

@media (max-width: 1024px) {
  .today-grid, .progress-grid, .exercise-grid { grid-template-columns: 1fr; }
  .today-side, .progress-side, .exercise-side { position: static; }
}

/* ---------------------------------------------------------------- */
/* Typography & Cards                                                */
/* ---------------------------------------------------------------- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 8px;
}
h1 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
h2 { font-size: 21px; letter-spacing: -0.01em; }
h3 { font-size: 16px; }
p.lede { color: var(--ink-soft); margin: 0 0 24px; font-size: 15px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  transition: transform 0.25s var(--ease-spring), box-shadow 0.25s var(--ease-spring);
}
.card:hover {
  box-shadow: var(--shadow-hover);
}

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-soft);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.field input, .field select {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: var(--surface);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  transition: all 0.2s var(--ease-smooth);
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-tint);
  background: #FFFFFF;
}
.field-row { display: flex; gap: 14px; }
.field-row .field { flex: 1; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: none;
  border-radius: var(--radius-full);
  padding: 13px 24px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 14.5px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s var(--ease-spring);
  position: relative;
  overflow: hidden;
}
.btn:active {
  transform: translateY(1px) scale(0.98) !important;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  color: #FFFFFF;
  box-shadow: var(--shadow-soft);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -4px rgba(46, 125, 70, 0.35);
}

.btn-accent {
  background: linear-gradient(135deg, #FB923C 0%, var(--accent) 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(249, 115, 22, 0.25);
}
.btn-accent:hover {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(249, 115, 22, 0.35);
}

.btn-ghost {
  background: var(--surface);
  color: var(--primary);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover {
  background: var(--primary-tint);
  border-color: var(--primary-light);
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--surface);
  color: var(--lvl-kem);
  border: 1.5px solid #FCA5A5;
}
.btn-danger:hover {
  background: #FEE2E2;
  border-color: var(--lvl-kem);
  transform: translateY(-1px);
}

.btn-sm { padding: 9px 16px; font-size: 13.5px; }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none !important; box-shadow: none !important; }
.btn-block { width: 100%; }

.link-switch { text-align: center; margin-top: 20px; font-size: 14px; color: var(--ink-soft); }
.link-switch button { background: none; border: none; color: var(--primary); font-weight: 700; cursor: pointer; padding: 0; font-size: 14px; }
.link-switch button:hover { text-decoration: underline; }

.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 18px;
  animation: fadeInScale 0.25s var(--ease-spring);
  display: flex;
  align-items: center;
  gap: 10px;
}
.alert-error { background: #FEE2E2; color: #991B1B; border: 1px solid #FCA5A5; }
.alert-success { background: var(--primary-tint); color: var(--primary-dark); border: 1px solid #A7F3D0; }

/* Stat Row */
.stat-row { display: flex; gap: 12px; flex-wrap: wrap; }
.stat {
  flex: 1;
  min-width: 110px;
  background: var(--surface-sunk);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  border: 1px solid var(--border-subtle);
  transition: transform 0.2s var(--ease-spring);
}
.stat:hover { transform: translateY(-2px); }
.stat .num { font-family: var(--font-mono); font-size: 22px; font-weight: 700; color: var(--primary-dark); }
.stat .lbl { font-size: 12px; font-weight: 600; color: var(--ink-soft); margin-top: 4px; }

/* Group Total Grid */
.group-total-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.group-total-item {
  flex: 1 1 calc(33.33% - 8px);
  min-width: 110px;
  border-radius: var(--radius-md);
  padding: 15px 16px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(255, 255, 255, 0.6);
  transition: transform 0.2s var(--ease-spring), box-shadow 0.2s ease;
}
.group-total-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}
.group-total-icon { font-size: 22px; display: block; margin-bottom: 6px; }
.group-total-num { font-family: var(--font-mono); font-weight: 700; font-size: 19px; color: var(--ink); }
.group-total-lbl { font-size: 12px; color: var(--ink-soft); font-weight: 600; margin-top: 2px; }

/* ---------------------------------------------------------------- */
/* Rating Ring & Macro Bubbles                                      */
/* ---------------------------------------------------------------- */
.summary-hero-top {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 20px;
}
.rating-ring {
  position: relative;
  width: 90px;
  height: 90px;
  flex-shrink: 0;
}
.rating-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.rating-ring .ring-track { fill: none; stroke: var(--surface-sunk); stroke-width: 10; }
.rating-ring .ring-fill {
  fill: none;
  stroke-width: 10;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.8s var(--ease-spring);
}
.rating-ring-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  color: var(--ink);
}

.macro-bubbles {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 22px 0 8px;
  flex-wrap: wrap;
}
.bubble {
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  flex-shrink: 0;
  box-shadow: 0 8px 16px -4px rgba(0, 0, 0, 0.15);
  transition: transform 0.25s var(--ease-spring);
}
.bubble:hover {
  transform: scale(1.1);
}
.bubble-val { font-family: var(--font-display); font-weight: 800; font-size: 15px; line-height: 1; }
.bubble-lbl { font-size: 11px; opacity: .95; margin-top: 3px; font-weight: 700; text-transform: uppercase; }

/* Tier Gauge */
.tier-gauge { margin: 20px 0 8px; }
.tier-gauge .track {
  display: flex;
  height: 12px;
  border-radius: var(--radius-full);
  overflow: hidden;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
}
.tier-gauge .seg { flex: 1; position: relative; transition: opacity 0.3s ease; }
.tier-gauge .seg[data-level="kem"] { background: var(--lvl-kem); }
.tier-gauge .seg[data-level="trung_binh"] { background: var(--lvl-trungbinh); }
.tier-gauge .seg[data-level="tot"] { background: var(--lvl-tot); }
.tier-gauge .seg[data-level="xuat_sac"] { background: var(--lvl-xuatsac); }
.tier-gauge .seg[data-level="qua_muc"] { background: var(--lvl-quamuc); }
.tier-gauge .seg.dim { opacity: .22; }
.tier-gauge .marker {
  position: absolute;
  top: -8px;
  width: 0; height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-top: 9px solid var(--ink);
  transform: translateX(-50%);
  filter: drop-shadow(0 2px 2px rgba(0,0,0,0.2));
}
.tier-gauge .labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 11px;
  color: var(--ink-soft);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .03em;
}

.pill {
  display: inline-block;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 11.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .03em;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}
.pill-kem { background: #FEE2E2; color: var(--lvl-kem); }
.pill-trung_binh { background: var(--yellow-tint); color: #B45309; }
.pill-tot { background: var(--primary-tint); color: var(--lvl-tot); }
.pill-xuat_sac { background: var(--primary-tint); color: var(--primary-dark); }
.pill-qua_muc { background: #F3E8FF; color: var(--lvl-quamuc); }

/* Header & Date Picker */
.today-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.date-picker {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 5px 18px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s var(--ease-smooth);
}
.date-picker:hover, .date-picker:focus-within {
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
}
.date-picker input[type="date"] {
  border: none;
  background: transparent;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
  padding: 8px 0;
  outline: none;
  cursor: pointer;
}

/* Meal Cards & Blocks */
.meal-card { padding: 12px 24px; }
.meal-block {
  padding: 18px 0;
  border-bottom: 1px solid var(--border-subtle);
}
.meal-block:last-child { border-bottom: none; }
.meal-block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  padding: 6px 0;
  user-select: none;
}
.meal-block-head .left { display: flex; align-items: center; gap: 12px; }
.meal-block-head .icon {
  font-size: 20px;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--surface-sunk);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s var(--ease-spring);
}
.meal-block-head:hover .icon { transform: scale(1.1); }
.meal-block-head .chevron {
  width: 18px; height: 18px;
  color: var(--ink-soft);
  transition: transform 0.3s var(--ease-spring);
}
.meal-block.open .chevron { transform: rotate(180deg); }

.meal-block-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease-spring);
}
.meal-block.open .meal-block-body { max-height: 2500px; }

.meal-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 12px;
  margin: 4px -12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  gap: 12px;
  transition: all 0.2s var(--ease-smooth);
}
.meal-item:hover {
  background: var(--surface-sunk);
  transform: translateX(4px);
}
.meal-item .name { font-weight: 700; color: var(--ink); }
.meal-item .qty { font-size: 13px; color: var(--ink-soft); margin-top: 2px; }
.meal-item .cal { font-family: var(--font-mono); font-weight: 700; color: var(--primary-dark); font-size: 15px; }

.inline-form {
  background: var(--surface-sunk);
  border-radius: var(--radius-md);
  padding: 18px;
  margin-top: 12px;
  border: 1px solid var(--border);
  animation: fadeInScale 0.25s var(--ease-spring);
}
.add-item-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--surface);
  border: 1.5px dashed var(--border);
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
  border-radius: var(--radius-md);
  padding: 14px;
  width: 100%;
  cursor: pointer;
  margin-top: 8px;
  transition: all 0.2s var(--ease-smooth);
}
.add-item-toggle:hover {
  background: var(--primary-tint);
  border-color: var(--primary);
  transform: translateY(-1px);
}

/* Video Grid & Chips */
.video-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 480px) { .video-grid { grid-template-columns: 1fr; } }
.video-card {
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.25s var(--ease-spring);
}
.video-card:hover { transform: translateY(-4px); }
.video-card img {
  width: 100%;
  border-radius: var(--radius-md);
  display: block;
  margin-bottom: 10px;
  aspect-ratio: 16/9;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s ease;
}
.video-card:hover img { box-shadow: var(--shadow-hover); }
.video-card .title { font-size: 14px; font-weight: 700; line-height: 1.4; color: var(--ink); }
.video-card .channel { font-size: 12.5px; color: var(--ink-soft); margin-top: 3px; }

.keyword-chip {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  background: var(--accent-tint);
  color: var(--accent-dark);
  font-size: 13.5px;
  font-weight: 700;
  border: 1px solid rgba(249, 115, 22, 0.2);
  cursor: pointer;
  margin: 0 8px 10px 0;
  transition: all 0.2s var(--ease-spring);
}
.keyword-chip:hover {
  background: var(--accent);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

/* Streak Hero */
.streak-hero {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 26px;
  margin-bottom: 20px;
  overflow: hidden;
  box-shadow: 0 12px 24px -6px rgba(46, 125, 70, 0.3);
  transition: transform 0.25s var(--ease-spring);
}
.streak-hero:hover { transform: translateY(-3px); }
.streak-hero::after {
  content: '';
  position: absolute;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  top: -60px; right: -50px;
}
.streak-hero .flame { font-size: 36px; animation: pulseGlow 2.5s infinite; }
.streak-hero .num { font-family: var(--font-display); font-size: 32px; font-weight: 800; line-height: 1; }
.streak-hero .lbl { font-size: 13.5px; opacity: .9; margin-top: 4px; }

/* Trend Dots */
.trend-days { display: flex; gap: 8px; margin-top: 16px; }
.trend-days .dot {
  flex: 1;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  color: #FFFFFF;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s var(--ease-spring);
}
.trend-days .dot:hover { transform: scale(1.1); }

.empty-state {
  text-align: center;
  padding: 42px 24px;
  color: var(--ink-soft);
}
.empty-state .icon { font-size: 40px; margin-bottom: 12px; }

/* Loader */
.loader {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2.5px solid rgba(255,255,255,.4);
  border-top-color: #FFFFFF;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }