/* css/style.css — GlycoDobble Styles (Emerald / Teal Palette) */

:root {
  --font-primary: 'Outfit', 'Inter', system-ui, -apple-system, sans-serif;
  
  /* Light Mode Palette */
  --bg-app: #f0fdf4;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-solid: #ffffff;
  --bg-nav: rgba(255, 255, 255, 0.75);
  --border-color: rgba(167, 243, 208, 0.6);
  --text-main: #064e3b;
  --text-muted: #047857;
  --primary: #059669;
  --primary-hover: #047857;
  --primary-light: rgba(5, 150, 105, 0.12);
  --accent: #0d9488;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --card-shadow: 0 8px 30px rgba(5, 150, 105, 0.08);
  --glass-blur: 12px;
  
  /* Sugar Group Colors (Light) */
  --chem-pentose: #e0f2fe;
  --chem-hexose: #dcfce7;
  --chem-ketohexose: #fef9c3;
  --chem-deoxy: #ffe4e6;
  --chem-amino: #e0e7ff;
  --chem-acidic: #f3e8ff;
  --chem-disaccharide: #ffedd5;
}

[data-theme="dark"] {
  /* Dark Mode Palette */
  --bg-app: #022c22;
  --bg-card: rgba(6, 78, 59, 0.7);
  --bg-card-solid: #064e3b;
  --bg-nav: rgba(6, 78, 59, 0.75);
  --border-color: rgba(16, 185, 129, 0.25);
  --text-main: #ecfdf5;
  --text-muted: #6ee7b7;
  --primary: #10b981;
  --primary-hover: #059669;
  --primary-light: rgba(16, 185, 129, 0.15);
  --accent: #14b8a6;
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  --card-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  
  /* Sugar Group Colors (Dark) */
  --chem-pentose: #0c4a6e;
  --chem-hexose: #064e3b;
  --chem-ketohexose: #713f12;
  --chem-deoxy: #881337;
  --chem-amino: #1e1b4b;
  --chem-acidic: #4c1d95;
  --chem-disaccharide: #7c2d12;
}

* { box-sizing: border-box; margin: 0; padding: 0; transition: background-color 0.3s ease, border-color 0.3s ease; }
body { font-family: var(--font-primary); background-color: var(--bg-app); color: var(--text-main); min-height: 100vh; overflow-x: hidden; }
.app-container { display: flex; flex-direction: column; min-height: 100vh; }

header { position: sticky; top: 0; z-index: 100; background-color: var(--bg-nav); backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur)); border-bottom: 1px solid var(--border-color); padding: 0.75rem 2rem; }
.nav-content { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.logo { display: flex; align-items: center; gap: 0.75rem; font-size: 1.4rem; font-weight: 800; color: var(--primary); text-decoration: none; }
.logo span { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.logo-icon { width: 36px; height: 36px; background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: white; font-size: 1.2rem; }

.nav-tabs { display: flex; background-color: rgba(0, 0, 0, 0.05); padding: 4px; border-radius: 12px; gap: 4px; }
[data-theme="dark"] .nav-tabs { background-color: rgba(255, 255, 255, 0.05); }
.tab-btn { background: none; border: none; font-family: var(--font-primary); color: var(--text-muted); font-weight: 600; padding: 8px 16px; border-radius: 8px; cursor: pointer; display: flex; align-items: center; gap: 8px; font-size: 0.95rem; transition: all 0.2s ease; }
.tab-btn:hover { color: var(--text-main); }
.tab-btn.active { background-color: var(--bg-card-solid); color: var(--primary); box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05); }

main { flex-grow: 1; max-width: 1200px; width: 100%; margin: 0 auto; padding: 2rem; }
.tab-content { display: none; animation: fadeIn 0.3s ease-in-out; }
.tab-content.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* Version Selector Bar */
.version-bar { display: flex; align-items: center; justify-content: center; gap: 1rem; background: var(--bg-card); padding: 1rem; border-radius: 16px; border: 1px solid var(--border-color); margin-bottom: 2rem; flex-wrap: wrap; }
.version-label { font-weight: 700; font-size: 1rem; }
.version-btn { background: none; border: 1px solid var(--border-color); padding: 8px 16px; border-radius: 10px; font-family: var(--font-primary); font-weight: 700; color: var(--text-main); cursor: pointer; transition: all 0.2s ease; }
.version-btn.active { background: var(--primary); color: white; border-color: var(--primary); }

/* Hero */
.hero-section { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; margin-bottom: 3rem; }
@media (max-width: 768px) { .hero-section { grid-template-columns: 1fr; text-align: center; } }
.hero-text h1 { font-size: 2.75rem; line-height: 1.2; font-weight: 800; margin-bottom: 1.25rem; background: linear-gradient(135deg, var(--text-main), var(--text-muted)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-text p { color: var(--text-muted); font-size: 1.1rem; line-height: 1.6; margin-bottom: 1.75rem; }
.hero-buttons { display: flex; gap: 1rem; }
@media (max-width: 768px) { .hero-buttons { justify-content: center; } }
.btn { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-primary); font-size: 1rem; font-weight: 600; padding: 12px 24px; border-radius: 12px; cursor: pointer; text-decoration: none; border: none; transition: all 0.2s ease; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-hover)); color: white; box-shadow: 0 4px 15px rgba(5, 150, 105, 0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(5, 150, 105, 0.4); }
.btn-secondary { background-color: var(--bg-card-solid); color: var(--text-main); border: 1px solid var(--border-color); box-shadow: var(--card-shadow); }

/* Grid / Cards */
.ref-toolbar { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: 2rem; flex-wrap: wrap; }
.search-input-wrapper { position: relative; flex-grow: 1; max-width: 400px; }
.search-input { width: 100%; padding: 12px 16px 12px 42px; border-radius: 12px; border: 1px solid var(--border-color); background-color: var(--bg-card); color: var(--text-main); font-family: var(--font-primary); font-size: 0.95rem; outline: none; }
.search-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-muted); }
.filter-group { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-btn { background: var(--bg-card); border: 1px solid var(--border-color); padding: 8px 16px; border-radius: 10px; font-family: var(--font-primary); font-size: 0.85rem; font-weight: 600; color: var(--text-muted); cursor: pointer; transition: all 0.2s ease; }
.filter-btn.active, .filter-btn:hover { background-color: var(--primary-light); border-color: var(--primary); color: var(--primary); }

.sugar-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.sugar-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 16px; padding: 1.5rem; display: flex; flex-direction: column; gap: 1rem; box-shadow: var(--card-shadow); }
.sugar-header { display: flex; justify-content: space-between; align-items: flex-start; }
.sugar-title { display: flex; flex-direction: column; }
.sugar-cz-name { font-size: 1.2rem; font-weight: 800; color: var(--text-main); }
.sugar-eng-name { font-size: 0.85rem; color: var(--text-muted); }
.sugar-badge { font-size: 0.75rem; font-weight: 700; padding: 4px 10px; border-radius: 20px; text-transform: uppercase; background: var(--primary-light); color: var(--primary); }

.sugar-previews { display: flex; gap: 1rem; align-items: center; justify-content: center; min-height: 110px; background: rgba(0,0,0,0.02); border-radius: 10px; padding: 10px; }
.snfg-icon { width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; }

/* Dobble Cards & Arena */
.dobble-card { width: 270px; height: 270px; border-radius: 50%; background: #ffffff !important; border: 4px solid #e2e8f0; position: relative; box-shadow: 0 10px 30px rgba(0,0,0,0.15); user-select: none; overflow: visible; display: block; margin: 0 auto; }
.dobble-card.square { border-radius: 20px; }
.game-arena .dobble-card { width: 290px; height: 290px; }
.card-item { position: absolute; left: var(--x); top: var(--y); transform: translate(-50%, -50%) rotate(var(--rot)) scale(var(--scale)); cursor: pointer; font-weight: 800; color: #0f172a !important; text-align: center; z-index: 2; line-height: 1.15; max-width: 110px; word-wrap: break-word; overflow-wrap: break-word; word-break: break-word; }
.card-item:hover { transform: translate(-50%, -50%) rotate(var(--rot)) scale(calc(var(--scale) * 1.15)); z-index: 10; }
.card-item span { color: #0f172a !important; font-weight: 800; text-shadow: 0 0 4px #ffffff; }
.card-item .item-text { display: inline-block; max-width: 105px; white-space: normal; word-wrap: break-word; overflow-wrap: break-word; word-break: break-word; hyphens: auto; line-height: 1.15; font-size: 1.05rem; font-weight: 800; text-align: center; }
.card-item .item-text-small { font-size: 0.82rem !important; max-width: 75px !important; line-height: 1.1; }
.card-item .item-code3 { display: inline-block; font-size: 1.45rem; font-weight: 900; color: #0284c7 !important; letter-spacing: -0.5px; text-shadow: 0 0 5px #ffffff; text-align: center; }
.card-item .item-code3-small { font-size: 1.15rem !important; }
.card-item .item-condensed { display: inline-block; max-width: 105px; white-space: normal; word-wrap: break-word; overflow-wrap: break-word; word-break: break-word; line-height: 1.1; font-size: 0.95rem; font-weight: 800; font-family: monospace, var(--font-primary); text-align: center; }
.card-item .item-smiles { display: inline-block; max-width: 85px; font-size: 0.7rem; font-weight: 700; word-break: break-all; line-height: 1.1; font-family: monospace; text-align: center; }
.card-item svg { display: block; margin: 0 auto; filter: drop-shadow(0 1px 3px rgba(0,0,0,0.1)); }
.card-item img { display: block; margin: 0 auto; filter: drop-shadow(0 2px 5px rgba(0,0,0,0.15)); }

.game-container { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 24px; padding: 2.5rem; text-align: center; min-height: 480px; display: flex; flex-direction: column; justify-content: center; align-items: center; }
.game-start-screen { max-width: 500px; }
.game-arena { display: flex; gap: 3rem; justify-content: center; align-items: center; flex-wrap: wrap; margin: 2rem 0; }
.game-header { display: flex; gap: 2rem; justify-content: center; margin-bottom: 1rem; }
.stat-box { background: var(--bg-card-solid); border: 1px solid var(--border-color); padding: 10px 20px; border-radius: 12px; display: flex; flex-direction: column; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); font-weight: 600; }
.stat-value { font-size: 1.6rem; font-weight: 900; }

.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.5rem; justify-items: center; width: 100%; }
.generator-layout { display: grid; grid-template-columns: 320px 1fr; gap: 2rem; align-items: start; width: 100%; }
.generator-settings { background-color: var(--bg-card); backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur)); border: 1px solid var(--border-color); padding: 2rem; border-radius: 24px; box-shadow: var(--card-shadow); position: sticky; top: 90px; height: fit-content; z-index: 10; }
.generator-preview-title { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.generator-preview { flex-grow: 1; min-width: 0; }
.settings-group { margin-bottom: 1.25rem; display: flex; flex-direction: column; gap: 6px; }
.select-control { padding: 10px; border-radius: 10px; border: 1px solid var(--border-color); background: var(--bg-card-solid); color: var(--text-main); font-family: var(--font-primary); font-weight: 600; }
.checkbox-control { display: flex; align-items: center; gap: 8px; cursor: pointer; font-weight: 600; font-size: 0.95rem; }

footer { text-align: center; padding: 2rem; border-top: 1px solid var(--border-color); color: var(--text-muted); font-size: 0.85rem; margin-top: auto; }
footer a { color: var(--primary); text-decoration: none; font-weight: 700; }

/* --- Responsive Media Queries --- */
@media (max-width: 960px) {
  .generator-layout { display: flex !important; flex-direction: column !important; gap: 1.5rem !important; }
  .generator-settings { position: relative !important; top: 0 !important; width: 100% !important; z-index: 1 !important; padding: 1.25rem !important; margin-bottom: 1rem !important; }
  .generator-preview { width: 100% !important; }
}

@media (max-width: 768px) {
  header { padding: 0.75rem 1rem; }
  .nav-content { flex-direction: column; gap: 0.75rem; align-items: stretch; }
  .nav-tabs { width: 100%; overflow-x: auto; justify-content: flex-start; padding-bottom: 4px; scrollbar-width: none; }
  .nav-tabs::-webkit-scrollbar { display: none; }
  .tab-btn { padding: 8px 12px; font-size: 0.85rem; white-space: nowrap; }
  main { padding: 1.25rem 1rem; }
  .hero-section { flex-direction: column; text-align: center; gap: 1.5rem; }
  .hero-text h1 { font-size: 2rem; }
  .hero-text p { font-size: 1rem; }
  .game-container { padding: 1.25rem 0.75rem; min-height: auto; width: 100%; }
  .game-arena { flex-direction: column; gap: 1.5rem; margin: 1rem 0; width: 100%; }
  .dobble-card { max-width: 86vw; max-height: 86vw; }
  .game-arena .dobble-card { max-width: 86vw; max-height: 86vw; }
  .cards-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1rem; }
  .sugar-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-text h1 { font-size: 1.7rem; }
  .stat-box { padding: 6px 12px; }
  .stat-value { font-size: 1.2rem; }
  .cards-grid { grid-template-columns: 1fr; }
}

/* --- Print Stylesheet --- */
@media print {
  @page {
    margin: 5mm !important;
    size: portrait;
  }
  
  body {
    background-color: #ffffff !important;
    color: #000000 !important;
  }
  
  header, 
  .theme-toggle-btn, 
  .generator-settings, 
  .generator-preview-title,
  footer {
    display: none !important;
  }
  
  main {
    padding: 0 !important;
    margin: 0 !important;
    max-width: 100% !important;
    width: 100% !important;
  }
  
  .tab-content {
    display: none !important;
  }
  
  #generator-tab {
    display: block !important;
  }
  
  .generator-layout {
    display: block !important;
  }
  
  .generator-preview {
    padding: 0 !important;
    margin: 0 !important;
    background: none !important;
    border: none !important;
  }
  
  .cards-grid {
    display: grid !important;
    justify-content: center !important;
    align-content: center !important;
    page-break-inside: auto;
  }
  
  /* 4 cards layout (2x2, 100mm) */
  .cards-grid[data-layout="4"] {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0px !important;
  }
  .cards-grid[data-layout="4"] .dobble-card {
    width: 100mm !important;
    height: 100mm !important;
  }
  
  /* 6 cards layout (2x3, 95mm) */
  .cards-grid[data-layout="6"] {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0px !important;
  }
  .cards-grid[data-layout="6"] .dobble-card {
    width: 95mm !important;
    height: 95mm !important;
  }
  
  /* 8 cards layout (2x4, 71mm) */
  .cards-grid[data-layout="8"] {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0px !important;
  }
  .cards-grid[data-layout="8"] .dobble-card {
    width: 71mm !important;
    height: 71mm !important;
  }
  
  /* 12 cards layout (3x4, 66mm) */
  .cards-grid[data-layout="12"] {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 0px !important;
  }
  .cards-grid[data-layout="12"] .dobble-card {
    width: 66mm !important;
    height: 66mm !important;
  }
  
  .dobble-card {
    border: 1px solid #000000 !important;
    page-break-inside: avoid !important;
    page-break-after: auto;
    margin: 0 auto !important;
    box-shadow: none !important;
    background-color: #ffffff !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  
  .dobble-card::before {
    content: "" !important;
    position: absolute !important;
    top: -4px !important;
    left: -4px !important;
    right: -4px !important;
    bottom: -4px !important;
    border: 1px dashed #718096 !important;
    border-radius: inherit !important;
    pointer-events: none !important;
  }
}