/* ==========================================================================
   NUTRIRANK DESIGN SYSTEM & CSS VARIABLES
   ========================================================================== */

:root {
  /* Font Families */
  --font-heading: 'Outfit', 'Noto Sans TC', system-ui, -apple-system, sans-serif;
  --font-body: 'Noto Sans TC', system-ui, -apple-system, sans-serif;

  /* Common HSL Base Palette */
  --hue-primary: 152; /* Emerald Green */
  --hue-macro: 152;   /* Emerald */
  --hue-mineral: 35;  /* Amber Orange */
  --hue-vitamin: 195; /* Cyan Blue */

  /* Light Theme Color System */
  --bg-gradient: linear-gradient(135deg, #f4f7f6 0%, #eef2f3 100%);
  --bg-color: #f7f9f8;
  --text-primary: #1e2925;
  --text-secondary: #5a6e66;
  --text-muted: #8fa39b;
  
  --panel-bg: rgba(255, 255, 255, 0.7);
  --panel-border: rgba(255, 255, 255, 0.5);
  --panel-shadow: 0 8px 32px 0 rgba(142, 158, 150, 0.15);
  
  --header-bg: rgba(255, 255, 255, 0.75);
  --header-border: rgba(255, 255, 255, 0.4);
  
  --color-primary: hsl(var(--hue-primary), 60%, 40%);
  --color-primary-light: hsl(var(--hue-primary), 60%, 92%);
  --color-primary-hover: hsl(var(--hue-primary), 65%, 32%);
  
  --color-macro: hsl(var(--hue-macro), 65%, 42%);
  --color-macro-light: hsl(var(--hue-macro), 65%, 93%);
  --color-mineral: hsl(var(--hue-mineral), 80%, 45%);
  --color-mineral-light: hsl(var(--hue-mineral), 80%, 94%);
  --color-vitamin: hsl(var(--hue-vitamin), 75%, 44%);
  --color-vitamin-light: hsl(var(--hue-vitamin), 75%, 93%);

  --color-danger: #d93838;
  --color-danger-light: #fdf2f2;
  
  --input-bg: rgba(255, 255, 255, 0.85);
  --input-border: rgba(200, 215, 208, 0.6);
  --input-focus: hsl(var(--hue-primary), 60%, 40%);
  
  --bar-empty: rgba(220, 230, 225, 0.7);
  --modal-bg: rgba(255, 255, 255, 0.95);
  --modal-overlay-bg: rgba(15, 30, 24, 0.4);

  --hue-amino: 270;   /* Purple */
  --hue-fatty: 28;    /* Orange-amber */
  --hue-other: 175;   /* Teal */

  --color-amino: hsl(270, 55%, 48%);
  --color-amino-light: hsl(270, 55%, 94%);
  --color-fatty: hsl(28, 80%, 48%);
  --color-fatty-light: hsl(28, 80%, 94%);
  --color-other: hsl(175, 55%, 38%);
  --color-other-light: hsl(175, 55%, 93%);

  --accent-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

/* Dark Theme Variables override */
body.dark-theme {
  --bg-gradient: linear-gradient(135deg, #0e1613 0%, #080d0b 100%);
  --bg-color: #0b110f;
  --text-primary: #f0f5f3;
  --text-secondary: #a3b8b0;
  --text-muted: #6e857c;
  
  --panel-bg: rgba(20, 32, 28, 0.6);
  --panel-border: rgba(255, 255, 255, 0.06);
  --panel-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
  
  --header-bg: rgba(14, 23, 20, 0.8);
  --header-border: rgba(255, 255, 255, 0.05);
  
  --color-primary: hsl(var(--hue-primary), 55%, 50%);
  --color-primary-light: hsl(var(--hue-primary), 40%, 15%);
  --color-primary-hover: hsl(var(--hue-primary), 60%, 60%);
  
  --color-macro: hsl(var(--hue-macro), 60%, 48%);
  --color-macro-light: hsl(var(--hue-macro), 50%, 14%);
  --color-mineral: hsl(var(--hue-mineral), 75%, 52%);
  --color-mineral-light: hsl(var(--hue-mineral), 60%, 16%);
  --color-vitamin: hsl(var(--hue-vitamin), 70%, 50%);
  --color-vitamin-light: hsl(var(--hue-vitamin), 60%, 14%);

  --color-danger: #ff5454;
  --color-danger-light: #321616;
  
  --input-bg: rgba(15, 25, 21, 0.8);
  --input-border: rgba(255, 255, 255, 0.1);
  --input-focus: hsl(var(--hue-primary), 55%, 50%);
  
  --bar-empty: rgba(255, 255, 255, 0.1);
  --modal-bg: rgba(14, 25, 21, 0.96);
  --modal-overlay-bg: rgba(0, 0, 0, 0.7);
  
  --color-amino: hsl(270, 50%, 60%);
  --color-amino-light: hsl(270, 40%, 16%);
  --color-fatty: hsl(28, 75%, 55%);
  --color-fatty-light: hsl(28, 60%, 16%);
  --color-other: hsl(175, 55%, 45%);
  --color-other-light: hsl(175, 45%, 14%);

  --accent-gradient: linear-gradient(135deg, #10b981 0%, #10b981 100%);
}

/* ==========================================================================
   RESET & CORE BASE
   ========================================================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: none;
}

body {
  font-family: var(--font-body);
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.5s ease, color 0.3s ease;
  min-height: 100vh;
}

.layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-primary);
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

button, input, select {
  font-family: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Glassmorphism panels */
.glass-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  box-shadow: var(--panel-shadow);
  transition: border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}

/* Scrollbar styles */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* ==========================================================================
   HEADER NAVIGATION
   ========================================================================== */

.main-header {
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--header-border);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 15px 25px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.creator-home-link {
  display: block;
  width: 100%;
  max-width: 1400px;
  margin: -5px auto 10px;
  padding: 3px 25px;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 700;
  text-align: left;
  border-radius: 999px;
}

.creator-home-link:hover,
.creator-home-link:focus-visible {
  color: var(--color-primary-hover);
  background: var(--color-primary-light);
}

@media (max-width: 768px) {
  .creator-home-link {
    width: 100%;
    margin-top: 0;
    padding: 3px 15px;
    font-size: 0.78rem;
  }
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.logo-icon {
  font-size: 1.8rem;
  animation: float 4s ease-in-out infinite;
}

.logo-text {
  font-size: 1.5rem;
  letter-spacing: -0.5px;
}

.logo-sub {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 2px 8px;
  border-radius: 8px;
  margin-left: 6px;
  vertical-align: middle;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-item {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 18px;
  border-radius: 12px;
  position: relative;
}

.nav-item:hover {
  color: var(--text-primary);
  background: rgba(142, 158, 150, 0.08);
}

.nav-item.active {
  color: white;
  background: var(--accent-gradient);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.compare-badge {
  background: var(--color-danger);
  color: white;
  font-size: 0.75rem;
  font-weight: bold;
  padding: 2px 7px;
  border-radius: 10px;
  position: absolute;
  top: -6px;
  right: -6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.header-actions {
  display: flex;
  align-items: center;
}

.theme-toggle {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(142, 158, 150, 0.08);
  font-size: 1.3rem;
  border: 1px solid transparent;
}

.theme-toggle:hover {
  background: rgba(142, 158, 150, 0.15);
  transform: rotate(15deg);
}

/* ==========================================================================
   VIEWPORTS & GENERAL VIEWS
   ========================================================================== */

.content-viewport {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 30px 20px;
  position: relative;
}

.app-view {
  display: none;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.app-view.active-view {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   1. HOME VIEW STYLING
   ========================================================================== */

.hero-banner {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(5, 150, 105, 0.05) 100%), var(--panel-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  padding: 50px 35px;
  text-align: center;
  margin-bottom: 40px;
  box-shadow: var(--panel-shadow);
  overflow: hidden;
  position: relative;
}

.hero-banner::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 60%);
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.hero-content h2 {
  font-size: 2.5rem;
  letter-spacing: -1px;
  margin-bottom: 15px;
  background: linear-gradient(90deg, var(--text-primary) 30%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
  text-wrap: balance;
}

.hero-search-bar {
  display: flex;
  gap: 12px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  padding: 8px 10px 8px 20px;
  border-radius: 18px;
  max-width: 600px;
  margin: 0 auto;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.hero-search-bar:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 4px 24px rgba(16, 185, 129, 0.15);
}

.hero-search-bar input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.hero-search-bar input::placeholder {
  color: var(--text-muted);
}

.hero-search-bar button {
  background: var(--accent-gradient);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

.hero-search-bar button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(16, 185, 129, 0.35);
}

.hero-search-bar button:active {
  transform: translateY(0);
}

.home-presets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 25px;
  margin-bottom: 40px;
}

.preset-card {
  padding: 30px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}

.preset-card:hover {
  transform: translateY(-6px);
  border-color: rgba(16, 185, 129, 0.25);
  box-shadow: 0 12px 40px 0 rgba(142, 158, 150, 0.25);
}

.preset-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
  padding-bottom: 12px;
  border-bottom: 1.5px solid var(--panel-border);
}

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

.preset-header h3 {
  font-size: 1.35rem;
}

/* Category Accent colors */
.macro-accent h3, .macro-accent .preset-icon { color: var(--color-macro); }
.mineral-accent h3, .mineral-accent .preset-icon { color: var(--color-mineral); }
.vitamin-accent h3, .vitamin-accent .preset-icon { color: var(--color-vitamin); }

.preset-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  height: 48px;
  overflow: hidden;
}

.preset-links {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.preset-links li a {
  display: block;
  padding: 8px 12px;
  background: rgba(142, 158, 150, 0.06);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
  color: var(--text-secondary);
}

.preset-links li a:hover {
  color: var(--text-primary);
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  transform: scale(1.02);
}

.home-info-section {
  padding: 30px;
}

.home-info-section h3 {
  font-size: 1.4rem;
  margin-bottom: 20px;
  color: var(--color-primary);
}

.info-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

@media (max-width: 768px) {
  .info-content-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

.info-box h4 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.info-box p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   2. RANKING VIEW STYLING
   ========================================================================== */

.rank-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 30px;
}

@media (max-width: 1024px) {
  .rank-layout {
    grid-template-columns: 1fr;
  }
}

.rank-sidebar {
  padding: 25px 20px;
  height: fit-content;
  position: sticky;
  top: 100px;
}

.sidebar-group {
  margin-bottom: 25px;
}

.sidebar-group:last-child {
  margin-bottom: 0;
}

.sidebar-group h4 {
  font-size: 1rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
  font-weight: 600;
}

.sidebar-buttons {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 15px;
  border-radius: 12px;
  background: rgba(142, 158, 150, 0.05);
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid transparent;
  width: 100%;
  text-align: left;
}

.sidebar-btn:hover {
  background: rgba(142, 158, 150, 0.12);
  color: var(--text-primary);
}

.sidebar-btn.active {
  color: var(--text-primary);
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}

.sidebar-btn.active-macro {
  background: var(--color-macro-light);
  border-color: var(--color-macro);
}

.sidebar-btn.active-mineral {
  background: var(--color-mineral-light);
  border-color: var(--color-mineral);
}

.sidebar-btn.active-vitamin {
  background: var(--color-vitamin-light);
  border-color: var(--color-vitamin);
}

.sidebar-btn-val {
  font-size: 0.8rem;
  opacity: 0.8;
}

.rank-main-panel {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.rank-header-card {
  padding: 25px 30px;
}

.rank-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.rank-title-row h2 {
  font-size: 1.8rem;
}

.unit-badge {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 6px 14px;
  border-radius: 12px;
}

.nutrient-desc-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* 7 Columns / Grid of Food Groups rankings */
.food-groups-rank-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: 25px;
  width: 100%;
}

.rank-group-column {
  padding: 25px 20px;
  height: 520px; /* fixed height scrollable list */
  display: flex;
  flex-direction: column;
}

.rank-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--panel-border);
}

.rank-group-header h3 {
  font-size: 1.15rem;
  letter-spacing: -0.5px;
}

.rank-group-count {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(142, 158, 150, 0.08);
  padding: 2px 8px;
  border-radius: 8px;
}

.rank-list-scroll {
  flex: 1;
  overflow-y: auto;
  padding-right: 4px;
}

.rank-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 8px;
  border-radius: 12px;
  margin-bottom: 8px;
  cursor: pointer;
  background: rgba(142, 158, 150, 0.03);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
}

.rank-item:hover {
  background: var(--panel-bg);
  border-color: var(--panel-border);
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(142, 158, 150, 0.08);
}

.rank-item-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
}

.rank-num {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-muted);
  width: 24px;
}

.rank-item:nth-child(1) .rank-num { color: #f59e0b; font-size: 1.1rem; } /* Gold */
.rank-item:nth-child(2) .rank-num { color: #9ca3af; font-size: 1.05rem; } /* Silver */
.rank-item:nth-child(3) .rank-num { color: #b45309; } /* Bronze */

.rank-item-name {
  font-weight: 500;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 8px;
}

.rank-item-val {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-primary);
}

/* Custom Progress bar */
.rank-item-bar-container {
  height: 6px;
  background: var(--bar-empty);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  width: 100%;
}

.rank-item-bar-fill {
  height: 100%;
  border-radius: 10px;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0; /* Animated on load */
}

/* Nutrient Colors */
.bar-macro { background: linear-gradient(90deg, hsl(var(--hue-macro), 65%, 45%), hsl(var(--hue-macro), 75%, 52%)); }
.bar-mineral { background: linear-gradient(90deg, hsl(var(--hue-mineral), 75%, 45%), hsl(var(--hue-mineral), 85%, 55%)); }
.bar-vitamin { background: linear-gradient(90deg, hsl(var(--hue-vitamin), 70%, 45%), hsl(var(--hue-vitamin), 80%, 55%)); }

/* ==========================================================================
   3. SEARCH VIEW STYLING
   ========================================================================== */

.search-controls-card {
  padding: 30px;
  margin-bottom: 25px;
}

.search-controls-card h2 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.search-controls-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.search-input-row {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.input-wrapper {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper input {
  width: 100%;
  padding: 12px 40px 12px 18px;
  font-size: 1.05rem;
  border-radius: 14px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-primary);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.input-wrapper input:focus {
  border-color: var(--input-focus);
  box-shadow: 0 4px 18px rgba(16, 185, 129, 0.1);
}

.search-clear-btn {
  position: absolute;
  right: 15px;
  font-size: 1.4rem;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

.search-clear-btn:hover {
  color: var(--text-primary);
}

.search-controls-card button {
  background: var(--color-primary);
  color: white;
  font-weight: 600;
  font-size: 1.05rem;
  padding: 12px 30px;
  border-radius: 14px;
}

.search-controls-card button:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 15px;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.filter-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  padding: 6px 14px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 500;
  background: rgba(142, 158, 150, 0.06);
  border: 1px solid var(--panel-border);
  color: var(--text-secondary);
}

.chip:hover {
  background: rgba(142, 158, 150, 0.12);
  color: var(--text-primary);
}

.chip.active {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
}

.search-stats {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 20px;
  padding-left: 10px;
}

.search-results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.food-card {
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 180px;
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s ease, border-color 0.3s ease;
}

.food-card:hover {
  transform: translateY(-4px);
  border-color: rgba(16, 185, 129, 0.2);
  box-shadow: 0 10px 30px 0 rgba(142, 158, 150, 0.15);
}

.card-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.food-name {
  font-size: 1.15rem;
  line-height: 1.4;
  flex: 1;
}

.category-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
  white-space: nowrap;
  background: rgba(142, 158, 150, 0.1);
  color: var(--text-secondary);
}

.card-nutrients-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 10px;
  background: rgba(142, 158, 150, 0.04);
  border-radius: 10px;
  margin-bottom: 15px;
}

.preview-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.preview-val {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-id-text {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn-card-compare {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 5px 12px;
  border-radius: 8px;
}

.btn-card-compare:hover {
  background: var(--color-primary);
  color: white;
}

.btn-card-compare.added {
  background: var(--color-danger-light);
  color: var(--color-danger);
}

/* Pagination */
.pagination-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin: 30px 0;
}

.pag-btn {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  padding: 10px 20px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
}

.pag-btn:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pag-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  background: var(--panel-bg);
  border-color: var(--panel-border);
  color: var(--text-muted);
}

.pag-info {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* ==========================================================================
   4. COMPARE VIEW STYLING
   ========================================================================== */

.compare-intro-card {
  padding: 30px;
  margin-bottom: 30px;
}

.compare-intro-card h2 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.compare-intro-card p {
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.compare-actions-row {
  display: flex;
  gap: 15px;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 12px;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.btn-danger {
  background: var(--color-danger);
  color: white;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 12px;
}

.btn-danger:hover {
  background: #be2e2e;
}

.compared-items-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  margin-bottom: 35px;
}

@media (max-width: 768px) {
  .compared-items-row {
    grid-template-columns: 1fr;
    gap: 15px;
  }
}

.comp-slot-card {
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
}

.slot-item-info {
  display: flex;
  flex-direction: column;
}

.slot-item-name {
  font-size: 1.1rem;
  font-weight: 600;
}

.slot-item-cat {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn-remove-slot {
  font-size: 1.4rem;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-remove-slot:hover {
  color: var(--color-danger);
  background: var(--color-danger-light);
}

.slot-empty-text {
  color: var(--text-muted);
  font-weight: 500;
  text-align: center;
  width: 100%;
}

.compare-details-wrapper {
  animation: fadeIn 0.4s ease;
}

.compare-table-card {
  padding: 30px;
}

.compare-table-card h3 {
  font-size: 1.25rem;
  margin-bottom: 20px;
  color: var(--color-primary);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.compare-table th, .compare-table td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--panel-border);
}

.compare-table th {
  font-weight: 600;
  color: var(--text-secondary);
}

.compare-table tbody tr:hover {
  background: rgba(142, 158, 150, 0.03);
}

.compare-table td.cell-highlight-high {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 700;
}

.compare-table td.cell-highlight-low {
  background: var(--color-danger-light);
  color: var(--color-danger);
}

/* ==========================================================================
   5. NUTRITION FACTS MODAL STYLING
   ========================================================================== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--modal-overlay-bg);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-card {
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 35px 40px;
  position: relative;
  background: var(--modal-bg);
  animation: modalScaleUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 2.2rem;
  line-height: 1;
  color: var(--text-muted);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
}

.modal-close-btn:hover {
  background: rgba(142, 158, 150, 0.1);
  color: var(--text-primary);
}

.modal-header {
  margin-bottom: 25px;
}

.modal-category-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 3px 10px;
  border-radius: 8px;
  margin-bottom: 10px;
}

.modal-header h2 {
  font-size: 2rem;
  letter-spacing: -0.5px;
}

.modal-food-id {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.modal-content-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
}

@media (max-width: 800px) {
  .modal-content-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

.modal-visuals {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.macro-dials-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}

.dial-card {
  padding: 20px 15px;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(142, 158, 150, 0.05);
  border: 1px solid var(--panel-border);
}

.dial-value {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.6rem;
  line-height: 1.1;
  color: var(--text-primary);
}

.dial-unit {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.dial-label {
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 6px;
}

/* Dial accent border highlight */
.calories-accent { border-left: 5px solid #ef4444; }
.protein-accent { border-left: 5px solid #10b981; }
.fat-accent { border-left: 5px solid #f59e0b; }
.carbs-accent { border-left: 5px solid #3b82f6; }

.secondary-indicators {
  padding: 20px;
}

.ind-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--panel-border);
}

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

.ind-row span {
  color: var(--text-secondary);
}

.modal-actions-panel button {
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
}

.btn-action-primary {
  background: var(--accent-gradient);
  color: white;
}

.btn-action-primary:hover {
  transform: translateY(-1px);
}

/* simulated actual Nutrition Facts Label */
.modal-label-container {
  display: flex;
  justify-content: center;
}

.nutrition-label {
  border: 2px solid #000;
  background: #fff;
  color: #000;
  padding: 20px;
  width: 100%;
  max-width: 360px;
  font-family: 'Noto Sans TC', system-ui, sans-serif;
  box-shadow: 0 4px 15px rgba(0,0,0,0.06);
}

.label-title {
  font-size: 1.8rem;
  font-weight: 900;
  text-align: center;
  letter-spacing: 2px;
  line-height: 1.1;
}

.label-subtitle {
  font-size: 0.85rem;
  font-weight: 700;
  text-align: center;
  margin-top: 5px;
}

.label-divider {
  height: 1px;
  background: #000;
  margin: 6px 0;
}

.label-divider.thick {
  height: 6px;
  background: #000;
  margin: 8px 0;
}

.label-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  line-height: 1.35;
}

.label-row.main-item {
  font-weight: 900;
  font-size: 0.95rem;
}

.label-row.sub-item {
  padding-left: 20px;
  font-size: 0.85rem;
}

.label-section-title {
  font-weight: 900;
  font-size: 0.85rem;
  margin-top: 8px;
  text-transform: uppercase;
}

.label-grid-row {
  display: flex;
  font-size: 0.8rem;
  line-height: 1.4;
  margin: 4px 0;
}

.grid-cell {
  flex: 1;
}

.label-footer {
  font-size: 0.7rem;
  line-height: 1.3;
  margin-top: 8px;
  color: #333;
}

/* ==========================================================================
   FOOTER AREA
   ========================================================================== */

.main-footer {
  background: var(--header-bg);
  border-top: 1px solid var(--header-border);
  padding: 30px 20px;
  margin-top: 50px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}


.site-connection-links {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.site-connection-links a {
  color: var(--text-secondary);
  font-weight: 700;
  text-decoration: none;
}

.site-connection-links a:hover,
.site-connection-links a:focus-visible {
  color: var(--accent-color);
  text-decoration: underline;
}
/* ==========================================================================
   LOADING & ANIMATION SHIMMERS
   ========================================================================== */

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-gradient);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease;
}

.loader-content {
  text-align: center;
  max-width: 320px;
  width: 100%;
}

.spinner {
  width: 60px;
  height: 60px;
  border: 5px solid var(--panel-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  margin: 0 auto 20px;
  animation: spin 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

.loader-text {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 15px;
}

.progress-bar-wrapper {
  height: 6px;
  background: var(--bar-empty);
  border-radius: 10px;
  overflow: hidden;
}

.progress-bar-inner {
  height: 100%;
  background: var(--color-primary);
  width: 0;
  transition: width 0.3s ease;
}

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

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

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

@keyframes modalScaleUp {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

/* Matrix Query View Styles */
.matrix-controls-card {
  padding: 25px;
  margin-bottom: 25px;
}

.matrix-control-group h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.group-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 8px;
  margin-bottom: 15px;
}

.small-action-btn {
  background: rgba(142, 158, 150, 0.06);
  border: 1px solid var(--panel-border);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  margin-left: 5px;
  transition: all 0.2s;
}

.small-action-btn:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.matrix-checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}

.matrix-cb-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(142, 158, 150, 0.03);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  user-select: none;
  transition: all 0.2s ease;
}

.matrix-cb-label:hover {
  background: rgba(142, 158, 150, 0.08);
}

.matrix-cb-label input {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
}

.matrix-cb-label.checked {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
}

.nutrient-groups-checkboxes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 16px;
}

@media (max-width: 1100px) {
  .nutrient-groups-checkboxes {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .nutrient-groups-checkboxes {
    grid-template-columns: 1fr;
  }
}

.nut-group-col {
  background: rgba(142, 158, 150, 0.02);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
}

.matrix-checkbox-grid {
  display: flex;
  flex-direction: column;
  gap: 5px;
  max-height: 260px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary-light) transparent;
  padding-right: 4px;
}

.matrix-checkbox-grid::-webkit-scrollbar {
  width: 4px;
}

.matrix-checkbox-grid::-webkit-scrollbar-thumb {
  background: var(--color-primary-light);
  border-radius: 4px;
}

.nut-group-col h4 {
  font-size: 0.9rem;
  margin-bottom: 10px;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

/* Nutrient-group color accents */
#matrix-nutrients-amino .matrix-cb-label.checked { background: var(--color-amino-light); border-color: var(--color-amino); color: var(--color-amino); }
#matrix-nutrients-fatty .matrix-cb-label.checked { background: var(--color-fatty-light); border-color: var(--color-fatty); color: var(--color-fatty); }
#matrix-nutrients-other .matrix-cb-label.checked { background: var(--color-other-light); border-color: var(--color-other); color: var(--color-other); }

/* Results section */
.matrix-results-card {
  padding: 25px;
}

.matrix-results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 15px;
}

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

.results-badge {
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--color-primary-light);
  color: var(--color-primary);
  padding: 4px 10px;
  border-radius: 20px;
}

.results-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-box-mini {
  display: flex;
  align-items: center;
  background: rgba(142, 158, 150, 0.05);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 6px 12px;
  gap: 8px;
  width: 250px;
}

.search-box-mini input {
  background: transparent;
  border: none;
  outline: none;
  font-size: 0.9rem;
  color: var(--text-primary);
  width: 100%;
}

.matrix-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.01);
  margin-bottom: 20px;
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.matrix-table th, .matrix-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--panel-border);
}

.matrix-table th {
  background: rgba(142, 158, 150, 0.05);
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition: background 0.2s;
}

.matrix-table th:hover {
  background: rgba(142, 158, 150, 0.1);
  color: var(--text-primary);
}

.matrix-table th.sorted-desc::after {
  content: " ▼";
  font-size: 0.75rem;
  color: var(--color-primary);
}

.matrix-table th.sorted-asc::after {
  content: " ▲";
  font-size: 0.75rem;
  color: var(--color-primary);
}

.matrix-table tbody tr {
  cursor: pointer;
  transition: all 0.15s;
}

.matrix-table tbody tr:hover {
  background: rgba(142, 158, 150, 0.04);
}

.matrix-table td.num-val {
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
  text-align: right;
}

.matrix-table th.num-val {
  text-align: right;
}

.matrix-pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 5px;
}

.page-btn {
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.page-btn:hover:not(:disabled) {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.page-info {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ==========================================================================
   CARD COMMON NAME (俗名 display)
   ========================================================================== */

.card-common-name {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 10px;
  padding: 3px 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==========================================================================
   MODAL SUBTITLE (俗名 / 英文名)
   ========================================================================== */

.modal-food-subtitle {
  font-size: 0.9rem;
  color: var(--color-primary);
  background: var(--color-primary-light);
  display: inline-block;
  padding: 3px 10px;
  border-radius: 8px;
  margin-top: 5px;
  font-weight: 500;
}

/* ==========================================================================
   DYNAMIC NUTRIENT PANEL (胺基酸 / 脂肪酸 / 微量礦物質 / 其他)
   ========================================================================== */

.modal-dynamic-nutrients {
  margin-top: 30px;
  padding-top: 25px;
  border-top: 2px dashed var(--panel-border);
}

.dynamic-nutrient-section {
  margin-bottom: 24px;
}

.dynamic-nutrient-section:last-child {
  margin-bottom: 0;
}

.dynamic-section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--panel-border);
  display: flex;
  align-items: center;
  gap: 6px;
}

.dynamic-nutrient-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
}

.dynamic-nutrient-cell {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: rgba(142, 158, 150, 0.04);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  font-size: 0.85rem;
  transition: background 0.2s ease;
}

.dynamic-nutrient-cell:hover {
  background: rgba(142, 158, 150, 0.08);
}

.dn-name {
  color: var(--text-secondary);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-right: 8px;
}

.dn-value {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.dn-unit {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 2px;
}

/* Section-specific color accents for dynamic nutrients */
.dynamic-nutrient-section:nth-child(1) .dynamic-section-title { color: var(--color-vitamin); }
.dynamic-nutrient-section:nth-child(1) .dynamic-nutrient-cell { border-color: rgba(var(--hue-vitamin), 75%, 44%, 0.2); }

.dynamic-nutrient-section:nth-child(2) .dynamic-section-title { color: var(--color-mineral); }

.dynamic-nutrient-section:nth-child(3) .dynamic-section-title { color: var(--color-fatty); }
.dynamic-nutrient-section:nth-child(3) .dynamic-nutrient-cell {
  background: rgba(142, 158, 150, 0.02);
}

.dynamic-nutrient-section:nth-child(4) .dynamic-section-title { color: var(--color-amino); }
.dynamic-nutrient-section:nth-child(4) .dynamic-nutrient-cell {
  background: rgba(142, 158, 150, 0.02);
}

/* Responsive modal dynamic nutrients */
@media (max-width: 600px) {
  .dynamic-nutrient-grid {
    grid-template-columns: 1fr 1fr;
  }
}