/* SmartMeal (식단코치) — v3 */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#f6faf6;--bg2:#fff;--text:#1e293b;--muted:#64748b;--border:#d5e5d5;
  --primary:#16a34a;--primary-light:#f0fdf4;--primary-dark:#15803d;
  --card:#fff;--card-hover:#f0fdf4;--success:#22c55e;--danger:#dc2626;
  --code-bg:#f0f7f0;--accent:#f97316;--accent-light:#fff7ed;
  --shadow:0 2px 8px rgba(0,0,0,.06);
  --carb:#3b82f6;--prot:#ef4444;--fat:#eab308;
  --radius:12px;
}
[data-theme="dark"]{
  --bg:#0c1a0c;--bg2:#162016;--text:#e2e8f0;--muted:#94a3b8;--border:#2d4a2d;
  --primary:#4ade80;--primary-light:#052e16;--primary-dark:#86efac;
  --card:#162016;--card-hover:#1e3a1e;--success:#4ade80;--danger:#f87171;
  --code-bg:#1e3a1e;--accent:#fb923c;--accent-light:#431407;
  --shadow:0 2px 8px rgba(0,0,0,.3);
  --carb:#60a5fa;--prot:#f87171;--fat:#facc15;
}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--accent);text-decoration:underline}
button{font-family:inherit}

/* ═══ Layout ═══ */
.app{max-width:720px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column}

/* ═══ Header ═══ */
.header{background:var(--bg2);border-bottom:3px solid transparent;border-image:linear-gradient(90deg,var(--primary),var(--accent)) 1;padding:10px 16px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}
.header-left{display:flex;align-items:center;gap:8px}
.logo{font-size:1.25rem;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-decoration:none;display:flex;align-items:center;gap:6px}
.logo-sub{font-size:.65rem;color:var(--muted);font-weight:400}
.header-right{display:flex;gap:2px;align-items:center}
.header-right button,.header-right a{background:none;border:none;font-size:1.05rem;cursor:pointer;padding:6px 8px;border-radius:8px;color:var(--text);transition:.2s;text-decoration:none;display:flex;align-items:center}
.header-right button:hover,.header-right a:hover{background:var(--border)}

/* ═══ Disclaimer Banner ═══ */
.disclaimer-banner{background:#fef2f2;border:1px solid #fecaca;border-radius:10px;padding:10px 14px;margin:12px 16px 0;font-size:.75rem;color:#991b1b;line-height:1.5}
.disclaimer-banner strong{display:block;margin-bottom:2px}
[data-theme="dark"] .disclaimer-banner{background:#450a0a;border-color:#7f1d1d;color:#fca5a5}

/* ═══ Section Card (reusable) ═══ */
.section-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);margin:12px 16px 0;padding:16px;box-shadow:var(--shadow)}
.section-title{font-size:.9rem;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:6px}

/* ═══ AI Status (Home) ═══ */
.ai-status{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:8px;font-size:.8rem;background:var(--code-bg);margin:12px 16px 0}
.ai-status label{display:flex;align-items:center;gap:6px;cursor:pointer;font-weight:600;flex:1}
.ai-status input[type="checkbox"]{accent-color:var(--primary);width:16px;height:16px}
.ai-status .ai-hint{font-size:.7rem;color:var(--muted);font-weight:400}
.ai-status .ai-provider-tag{font-size:.65rem;padding:2px 8px;border-radius:10px;font-weight:700;color:#fff;margin-left:auto}

/* AI OFF Notice */
.ai-off-notice{margin:0 16px;padding:8px 12px;font-size:.73rem;color:#92400e;background:#fef3c7;border:1px solid #fde68a;border-radius:0 0 8px 8px;line-height:1.5}
[data-theme="dark"] .ai-off-notice{background:#451a03;border-color:#92400e;color:#fde68a}

/* ═══ Intro Section ═══ */
.intro-section{margin:12px 16px 0;padding:16px;background:linear-gradient(135deg,#f0fdf4,#ecfdf5,#fff7ed);border-radius:var(--radius);border:1px solid #bbf7d0}
[data-theme="dark"] .intro-section{background:linear-gradient(135deg,#052e16,#0c1a0c,#431407);border-color:#166534}
.intro-title{font-size:1.1rem;font-weight:800;color:var(--primary-dark);margin-bottom:8px}
[data-theme="dark"] .intro-title{color:var(--primary)}
.intro-list{list-style:none;padding:0;margin:0}
.intro-list li{font-size:.8rem;padding:3px 0;display:flex;align-items:flex-start;gap:6px;line-height:1.5}
.intro-list li::before{content:'';display:none}
.intro-hint{font-size:.72rem;color:var(--muted);margin-top:8px;padding-top:8px;border-top:1px solid var(--border)}
.pwa-install-btn{display:inline-block;margin-top:10px;padding:8px 18px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border:none;border-radius:10px;font-size:.82rem;font-weight:600;cursor:pointer;transition:.2s}
.pwa-install-btn:hover{opacity:.9;transform:translateY(-1px)}

/* ═══ Scan Area ═══ */
.scan-area{margin:12px 16px 0}
.scan-buttons{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
.scan-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:18px 12px;background:var(--card);border:2px dashed var(--border);border-radius:var(--radius);cursor:pointer;transition:.2s;font-size:.85rem;font-weight:600;color:var(--text)}
.scan-btn:hover{border-color:var(--primary);background:var(--primary-light);color:var(--primary-dark)}
.scan-btn:first-child{border-left:3px solid var(--primary)}
.scan-btn:last-child{border-left:3px solid var(--accent)}
.scan-btn:last-child:hover{border-color:var(--accent);background:var(--accent-light);color:#c2410c}
.scan-btn .scan-icon{font-size:1.8rem}
.scan-btn .scan-label{font-size:.75rem;color:var(--muted);font-weight:400}

.scan-divider{text-align:center;position:relative;margin:12px 0}
.scan-divider::before{content:'';position:absolute;left:0;right:0;top:50%;border-top:1px solid var(--border)}
.scan-divider span{position:relative;background:var(--bg);padding:0 12px;font-size:.75rem;color:var(--muted);font-weight:600}

/* Search Guide */
.search-guide{background:var(--primary-light);border:1px solid var(--border);border-radius:8px;padding:8px 12px;margin-bottom:10px}
.search-guide-text{font-size:.78rem;color:var(--text);display:block;line-height:1.5}
.search-guide-steps{font-size:.68rem;color:var(--muted);display:block;margin-top:3px;font-weight:600}

/* Food Search */
.food-search{position:relative;margin-bottom:10px}
.food-search input{width:100%;padding:10px 14px 10px 36px;border:1px solid var(--border);border-radius:var(--radius);font-size:.85rem;background:var(--bg2);color:var(--text)}
.food-search input:focus{outline:none;border-color:var(--primary)}
.food-search .search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:.9rem;color:var(--muted)}
.food-search-results{position:absolute;top:100%;left:0;right:0;background:var(--bg2);border:1px solid var(--border);border-radius:0 0 var(--radius) var(--radius);max-height:240px;overflow-y:auto;z-index:50;display:none;box-shadow:var(--shadow)}
.food-search-results.show{display:block}
.food-search-item{display:flex;align-items:center;gap:8px;padding:8px 12px;cursor:pointer;font-size:.8rem;border-bottom:1px solid var(--border);transition:.15s}
.food-search-item:hover{background:var(--primary-light)}
.food-search-item:last-child{border-bottom:none}
.food-search-item .food-emoji{font-size:1.1rem;width:24px;text-align:center}
.food-search-item .food-name{flex:1;font-weight:500}
.food-search-item .food-cal{font-size:.7rem;color:var(--muted)}
.food-search-item .food-macro{font-size:.65rem;color:var(--muted);opacity:.7;display:block;margin-top:1px}

.quick-foods-label{font-size:.7rem;color:var(--muted);font-weight:600;margin-bottom:4px}
.quick-foods{display:flex;flex-wrap:wrap;gap:4px}
.quick-food-btn{padding:4px 10px;border:1px solid var(--border);border-radius:14px;font-size:.72rem;cursor:pointer;background:var(--card);color:var(--text);transition:.2s}
.quick-food-btn:hover{border-color:var(--accent);background:var(--accent-light);color:#c2410c}

/* ═══ Portion Modal ═══ */
.portion-modal{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.portion-modal.show{display:flex}
.portion-card{background:var(--bg2);border-radius:16px;padding:24px;max-width:360px;width:100%;text-align:center}
.portion-food-name{font-size:1.1rem;font-weight:700;margin-bottom:4px}
.portion-food-info{font-size:.8rem;color:var(--muted);margin-bottom:14px}
.portion-options{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:14px}
.portion-opt{padding:8px 4px;border:2px solid var(--border);border-radius:10px;cursor:pointer;background:var(--card);transition:.2s;font-size:.8rem;font-weight:600}
.portion-opt:hover{border-color:var(--primary)}
.portion-opt.active{border-color:var(--primary);background:var(--primary-light);color:var(--primary-dark)}
.portion-opt .portion-cal{font-size:.65rem;color:var(--muted);font-weight:400;display:block;margin-top:2px}
.meal-tag-select{display:flex;gap:6px;justify-content:center;margin-bottom:14px}
.meal-tag-btn{padding:5px 12px;border:1.5px solid var(--border);border-radius:16px;cursor:pointer;font-size:.75rem;background:var(--card);color:var(--text);transition:.2s}
.meal-tag-btn:hover{border-color:var(--primary)}
.meal-tag-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.portion-actions{display:flex;gap:8px;justify-content:center}
.portion-actions button{padding:8px 20px;border-radius:10px;font-size:.85rem;font-weight:600;cursor:pointer;transition:.2s}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border:none}
.btn-primary:hover{opacity:.9}
.btn-cancel{background:none;border:1px solid var(--border);color:var(--text)}
.btn-cancel:hover{background:var(--border)}

/* ═══ Photo Preview ═══ */
.photo-preview{margin:12px 0 0;text-align:center;display:none}
.photo-preview.show{display:block}
.photo-preview img{max-width:100%;max-height:240px;border-radius:var(--radius);border:2px solid var(--border);object-fit:cover}
.photo-preview .photo-actions{display:flex;gap:8px;justify-content:center;margin-top:8px}
.photo-preview .photo-actions button{padding:6px 14px;border-radius:8px;font-size:.78rem;font-weight:600;cursor:pointer}

/* ═══ Analysis Result ═══ */
.analysis-result{margin:12px 16px 0;display:none}
.analysis-result.show{display:block}
.result-card{background:var(--bg2);border:1.5px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.result-header{display:flex;align-items:center;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.result-provider{font-size:.65rem;padding:2px 8px;border-radius:10px;font-weight:700;color:#fff}
.result-mode{font-size:.65rem;color:var(--muted)}
.confidence-badge{font-size:.7rem;padding:2px 8px;border-radius:10px;font-weight:600;margin-left:auto}
.confidence-high{background:#dcfce7;color:#166534}
.confidence-mid{background:#fef3c7;color:#92400e}
.confidence-low{background:#fef2f2;color:#991b1b}
[data-theme="dark"] .confidence-high{background:#064e3b;color:#a7f3d0}
[data-theme="dark"] .confidence-mid{background:#451a03;color:#fde68a}
[data-theme="dark"] .confidence-low{background:#450a0a;color:#fca5a5}

/* Food items in result */
.result-foods{margin-bottom:12px}
.result-food{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:12px;margin-bottom:8px}
.result-food:last-child{margin-bottom:0}
.result-food-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.result-food-name{font-size:.95rem;font-weight:700}
.result-food-cal{background:var(--accent-light, #fff7ed);color:#c2410c;padding:2px 10px;border-radius:10px;font-size:.75rem;font-weight:700}
[data-theme="dark"] .result-food-cal{background:#431407;color:#fb923c}
.result-food-portion{font-size:.7rem;color:var(--muted);margin-bottom:8px}

/* Nutrition Bars */
.nutr-bars{margin-bottom:8px}
.nutr-row{display:flex;align-items:center;gap:6px;margin-bottom:4px}
.nutr-label{font-size:.65rem;color:var(--muted);width:50px;flex-shrink:0}
.nutr-bar-bg{flex:1;height:7px;background:var(--border);border-radius:4px;overflow:hidden}
.nutr-bar{height:100%;border-radius:4px;transition:width .6s ease}
.nutr-bar.carb{background:var(--carb)}
.nutr-bar.prot{background:var(--prot)}
.nutr-bar.fat{background:var(--fat)}
.nutr-val{font-size:.65rem;color:var(--muted);width:36px;text-align:right;flex-shrink:0}
.nutr-range{font-size:.55rem;color:var(--muted);width:60px;text-align:right;flex-shrink:0}

/* Advice */
.advice-section{margin-top:12px}
.advice-title{font-size:.8rem;font-weight:700;margin-bottom:6px}
.advice-common-title{font-size:.75rem;font-weight:600;color:var(--primary);margin:10px 0 4px}
.advice-item{font-size:.78rem;padding:5px 10px;margin-bottom:4px;border-radius:8px;line-height:1.5;display:flex;align-items:flex-start;gap:6px}
.advice-item.warning{background:#fef2f2;color:#991b1b}
.advice-item.suggestion{background:#eff6ff;color:#1e40af}
.advice-item.positive{background:#f0fdf4;color:#166534}
[data-theme="dark"] .advice-item.warning{background:#450a0a;color:#fca5a5}
[data-theme="dark"] .advice-item.suggestion{background:#172554;color:#93c5fd}
[data-theme="dark"] .advice-item.positive{background:#052e16;color:#86efac}
.advice-icon{flex-shrink:0;font-size:.85rem}
.advice-provider-label{font-size:.7rem;font-weight:700;color:var(--muted);margin:10px 0 4px;display:flex;align-items:center;gap:4px}
.advice-provider-dot{width:8px;height:8px;border-radius:50%;display:inline-block}

/* Alternatives */
.alt-section{margin-top:12px}
.alt-section summary{font-size:.8rem;font-weight:600;cursor:pointer;color:var(--text)}
.alt-item{display:flex;align-items:center;gap:8px;padding:6px 0;font-size:.78rem;border-bottom:1px solid var(--border)}
.alt-item:last-child{border-bottom:none}
.alt-from{color:var(--muted);text-decoration:line-through}
.alt-arrow{color:var(--primary)}
.alt-to{color:var(--primary);font-weight:600}
.alt-cal-diff{font-size:.65rem;color:var(--success);font-weight:600}
.alt-reason{font-size:.7rem;color:var(--muted)}

/* Result Actions */
.result-actions{display:flex;gap:8px;margin-top:14px;justify-content:center;flex-wrap:wrap}
.result-actions button{padding:8px 16px;border-radius:10px;font-size:.8rem;font-weight:600;cursor:pointer;transition:.2s}

/* ═══ AI Detail Compare (toggle) ═══ */
.ai-compare{margin-top:12px;display:none}
.ai-compare.show{display:block}
.ai-compare summary{font-size:.8rem;font-weight:600;cursor:pointer}
.ai-compare-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:8px;margin-top:8px}
.ai-compare-card{background:var(--code-bg);border-radius:10px;padding:10px;font-size:.75rem}
.ai-compare-card .provider-name{font-weight:700;margin-bottom:4px}

/* ═══ Today's Meals ═══ */
.today-section{margin:16px 16px 0}
.today-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.today-header h3{font-size:.9rem;font-weight:700}
.today-header button{font-size:.7rem;padding:3px 8px;border:1px solid var(--border);border-radius:6px;background:none;cursor:pointer;color:var(--muted)}
.today-header button:hover{background:var(--border)}

.today-meals{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
.today-meal{display:flex;align-items:center;gap:8px;padding:8px 10px;background:var(--card);border:1px solid var(--border);border-radius:8px;font-size:.8rem}
.today-meal .meal-tag{font-size:.65rem;font-weight:700;color:var(--accent);min-width:32px}
.today-meal .meal-foods{flex:1;color:var(--text)}
.today-meal .meal-kcal{font-weight:700;color:#c2410c;white-space:nowrap}
[data-theme="dark"] .today-meal .meal-kcal{color:#fb923c}
.today-meal .meal-delete{background:none;border:none;color:var(--danger);cursor:pointer;font-size:.85rem;padding:2px 4px;opacity:.5}
.today-meal .meal-delete:hover{opacity:1}
.today-empty{text-align:center;padding:20px;font-size:.8rem;color:var(--muted)}

/* Today Summary */
.today-summary{background:var(--code-bg);border-radius:var(--radius);padding:14px}
.today-cal-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.today-cal-label{font-size:.85rem;font-weight:700}
.today-cal-value{font-size:1.1rem;font-weight:800;color:var(--accent)}
.today-cal-bar{height:10px;background:var(--border);border-radius:5px;overflow:hidden;margin-bottom:10px}
.today-cal-fill{height:100%;border-radius:5px;transition:width .5s ease;background:linear-gradient(90deg,#22c55e,#16a34a,#f97316)}
.today-cal-fill.over{background:linear-gradient(90deg,var(--danger),#ef4444)}
.today-macros{display:flex;gap:12px;justify-content:center}
.today-macro{text-align:center;font-size:.72rem;color:var(--muted)}
.today-macro .macro-val{font-size:.9rem;font-weight:700;display:block}
.today-macro .macro-bar{width:50px;height:4px;background:var(--border);border-radius:2px;margin:3px auto 0;overflow:hidden}
.today-macro .macro-fill{height:100%;border-radius:2px}

/* ═══ Loading Skeleton ═══ */
.skeleton{display:none;margin:12px 16px 0}
.skeleton.show{display:block}
.sk-bar{background:var(--border);border-radius:6px;animation:pulse 1.5s infinite}
.sk-result{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.sk-food{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:12px;margin-bottom:8px}
.sk-line{height:14px;margin-bottom:6px}
.sk-line.w60{width:60%}
.sk-line.w80{width:80%}
.sk-line.w40{width:40%}
.sk-line.w100{width:100%}
.sk-nutr{height:7px;margin-bottom:4px}
.sk-nutr.w75{width:75%}
.sk-nutr.w50{width:50%}
.sk-nutr.w35{width:35%}
.sk-text{text-align:center;color:var(--muted);font-size:.82rem;margin-top:10px}
@keyframes pulse{0%,100%{opacity:.4}50%{opacity:.8}}
.loading-dots span{animation:blink 1.4s infinite both;font-size:1rem}
.loading-dots span:nth-child(2){animation-delay:.2s}
.loading-dots span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.2}40%{opacity:1}}

/* ═══ Settings Page ═══ */
.settings-page{padding:16px;max-width:600px;margin:0 auto}
.settings-page h2{font-size:1.15rem;font-weight:800;margin-bottom:16px;color:var(--primary)}
.settings-section{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px;box-shadow:var(--shadow)}
.settings-section h3{font-size:.9rem;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:6px}
.setting-row{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.setting-row:last-child{margin-bottom:0}
.setting-label{font-size:.8rem;font-weight:600;min-width:70px;color:var(--muted)}
.setting-input{padding:6px 10px;border:1px solid var(--border);border-radius:8px;font-size:.82rem;background:var(--bg);color:var(--text);font-family:inherit}
.setting-input:focus{outline:none;border-color:var(--primary)}
.setting-select{padding:6px 10px;border:1px solid var(--border);border-radius:8px;font-size:.82rem;background:var(--bg);color:var(--text);cursor:pointer}
.setting-computed{font-size:.78rem;color:var(--primary);font-weight:600;background:var(--primary-light);padding:6px 12px;border-radius:8px;margin-top:6px;width:100%}

/* Toggle Switch */
.toggle-wrap{display:flex;align-items:center;gap:8px}
.toggle{position:relative;width:44px;height:24px;cursor:pointer}
.toggle input{opacity:0;width:0;height:0}
.toggle .slider{position:absolute;inset:0;background:var(--border);border-radius:12px;transition:.3s}
.toggle .slider::before{content:'';position:absolute;left:3px;top:3px;width:18px;height:18px;background:#fff;border-radius:50%;transition:.3s}
.toggle input:checked+.slider{background:var(--primary)}
.toggle input:checked+.slider::before{transform:translateX(20px)}

/* Tags (allergies, conditions) */
.tag-grid{display:flex;flex-wrap:wrap;gap:4px}
.tag-check{padding:4px 10px;border:1px solid var(--border);border-radius:14px;font-size:.72rem;cursor:pointer;background:var(--card);color:var(--text);transition:.2s;user-select:none}
.tag-check:hover{border-color:var(--primary)}
.tag-check.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.tag-check.danger.active{background:var(--danger);color:#fff;border-color:var(--danger)}

/* Radio Group */
.radio-group{display:flex;flex-wrap:wrap;gap:6px}
.radio-opt{padding:6px 14px;border:1.5px solid var(--border);border-radius:10px;font-size:.78rem;cursor:pointer;background:var(--card);color:var(--text);transition:.2s}
.radio-opt:hover{border-color:var(--primary)}
.radio-opt.active{border-color:var(--primary);background:var(--primary-light);color:var(--primary-dark)}

/* AI Provider Cards */
.ai-provider-card{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);padding:12px;margin-bottom:10px;transition:.2s}
.ai-provider-card.registered{border-color:var(--success)}
.ai-provider-header{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.ai-provider-name{font-size:.85rem;font-weight:700;flex:1}
.ai-provider-badges{display:flex;gap:4px}
.badge{font-size:.6rem;padding:2px 6px;border-radius:4px;font-weight:700}
.badge-free{background:#dcfce7;color:#166534}
.badge-paid{background:#fef3c7;color:#92400e}
.badge-vision{background:#dbeafe;color:#1e40af}
.badge-text{background:#f1f5f9;color:#64748b}
[data-theme="dark"] .badge-free{background:#064e3b;color:#a7f3d0}
[data-theme="dark"] .badge-paid{background:#451a03;color:#fde68a}
[data-theme="dark"] .badge-vision{background:#172554;color:#93c5fd}
[data-theme="dark"] .badge-text{background:#334155;color:#94a3b8}
.ai-key-row{display:flex;gap:4px;align-items:center}
.ai-key-row input{flex:1;padding:6px 8px;border:1px solid var(--border);border-radius:6px;font-size:.78rem;background:var(--bg);color:var(--text)}
.ai-key-row button{padding:4px 10px;border:1px solid var(--border);border-radius:6px;background:var(--card);cursor:pointer;font-size:.72rem;color:var(--text);white-space:nowrap}
.ai-key-row button:hover{background:var(--border)}
.ai-model-row{display:flex;align-items:center;gap:6px;margin-top:6px}
.ai-model-row label{font-size:.72rem;color:var(--muted);font-weight:600}
.ai-model-row select{flex:1;padding:4px 6px;border:1px solid var(--border);border-radius:6px;font-size:.75rem;background:var(--bg);color:var(--text)}
.ai-status-text{font-size:.7rem;margin-top:6px;font-weight:600}
.ai-status-text.ok{color:var(--success)}
.ai-status-text.empty{color:var(--muted)}

/* Analysis Mode */
.mode-section{margin-top:14px;padding-top:14px;border-top:1px solid var(--border)}
.mode-option{display:flex;align-items:flex-start;gap:8px;padding:8px 10px;border:1.5px solid var(--border);border-radius:10px;margin-bottom:8px;cursor:pointer;transition:.2s}
.mode-option:hover{border-color:var(--primary)}
.mode-option.active{border-color:var(--primary);background:var(--primary-light)}
.mode-option input[type="radio"]{accent-color:var(--primary);margin-top:2px}
.mode-option .mode-label{font-size:.82rem;font-weight:600}
.mode-option .mode-desc{font-size:.7rem;color:var(--muted);margin-top:2px}
.mode-default-select{margin-top:6px;margin-left:24px}
.mode-default-select label{font-size:.72rem;color:var(--muted);font-weight:600}
.mode-default-select select{padding:4px 6px;border:1px solid var(--border);border-radius:6px;font-size:.75rem;background:var(--bg);color:var(--text);margin-left:4px}

/* Save Button */
.save-btn{width:100%;padding:12px;background:linear-gradient(135deg,#16a34a,#f97316);color:#fff;border:none;border-radius:10px;font-size:.9rem;font-weight:700;cursor:pointer;margin-top:8px;transition:.2s}
[data-theme="dark"] .save-btn{background:linear-gradient(135deg,#22c55e,#fb923c)}
.save-btn:hover{opacity:.9;transform:translateY(-1px)}

/* Back Button */
.back-btn{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;border:1px solid var(--border);border-radius:8px;background:none;cursor:pointer;font-size:.8rem;color:var(--text);margin-bottom:12px}
.back-btn:hover{background:var(--border)}

/* ═══ Meal Recommendation ═══ */
.recommend-section{margin:20px 16px 0;padding:16px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.recommend-header h3{font-size:.9rem;font-weight:700;margin-bottom:4px}
.recommend-desc{font-size:.78rem;color:var(--muted);margin-bottom:12px}
.recommend-chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.recommend-chip{padding:8px 14px;border:1.5px solid var(--border);border-radius:20px;background:var(--card);cursor:pointer;font-size:.78rem;color:var(--text);transition:.2s;white-space:nowrap;font-weight:500}
.recommend-chip:hover{border-color:var(--accent);background:var(--accent-light, #fff7ed);color:#c2410c;transform:translateY(-1px);box-shadow:var(--shadow)}
[data-theme="dark"] .recommend-chip:hover{background:#431407;color:#fb923c}
.recommend-chip:active{transform:translateY(0)}
.recommend-result{margin-top:8px}
.recommend-result .result-card{border-color:var(--accent);border-width:1.5px}
.recommend-noai{text-align:center;padding:12px;font-size:.8rem;color:var(--muted)}
.recommend-noai p{margin-bottom:8px}
.recommend-link-btn{display:inline-block;padding:8px 18px;background:linear-gradient(135deg,var(--accent),#ea580c);color:#fff;border-radius:10px;font-size:.82rem;font-weight:600;text-decoration:none;transition:.2s}
.recommend-link-btn:hover{opacity:.9;transform:translateY(-1px);text-decoration:none}
.recommend-skeleton .sk-result{background:var(--card);border:1px solid var(--border);border-radius:var(--radius)}

/* ═══ Footer ═══ */
.site-footer{text-align:center;padding:20px 16px;border-top:1px solid var(--border);background:var(--bg2);margin-top:auto}
.footer-links{display:flex;justify-content:center;gap:16px;margin-bottom:8px;flex-wrap:wrap}
.footer-links a{font-size:.78rem;color:var(--text);text-decoration:none;font-weight:500}
.footer-links a:hover{color:var(--primary);text-decoration:underline}
.footer-sub{font-size:.7rem;margin-bottom:4px}
.footer-sub a{color:var(--primary);text-decoration:none}
.footer-sub a:hover{text-decoration:underline}
.footer-copy{font-size:.65rem;color:var(--muted)}

/* ═══ API Guide Modal ═══ */
.api-guide-btn{background:none;border:1px solid var(--border);border-radius:50%;width:26px;height:26px;font-size:.85rem;cursor:pointer;color:var(--primary);vertical-align:middle;margin-left:4px;transition:.2s}
.api-guide-btn:hover{background:var(--primary);color:#fff}
.api-guide-modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;justify-content:center;align-items:flex-start;padding:20px;overflow-y:auto}
.api-guide-modal.show{display:flex}
.api-guide-content{background:var(--card);border-radius:16px;padding:24px;max-width:560px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 8px 30px rgba(0,0,0,.2)}
.api-guide-content h3{margin:0 0 16px;font-size:1.1rem;color:var(--text)}
.guide-free-notice{background:#dcfce7;color:#166534;padding:12px 16px;border-radius:10px;font-size:.82rem;line-height:1.6;margin-bottom:16px}
[data-theme="dark"] .guide-free-notice{background:#064e3b;color:#a7f3d0}
.guide-provider{border:1px solid var(--border);border-radius:10px;padding:14px;margin-bottom:12px}
.guide-provider-title{font-size:.9rem;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.guide-provider ol{margin:0;padding-left:20px;font-size:.8rem;line-height:1.8;color:var(--text)}
.guide-provider ol a{color:var(--primary);font-weight:600}
.guide-provider code{background:var(--bg);padding:1px 5px;border-radius:4px;font-size:.75rem}
.guide-note{font-size:.72rem;color:var(--muted);margin-top:6px;padding-top:6px;border-top:1px solid var(--border)}
.guide-security{background:rgba(59,130,246,.08);padding:12px 14px;border-radius:10px;font-size:.78rem;line-height:1.6;color:var(--text);margin-top:4px}
[data-theme="dark"] .guide-security{background:rgba(59,130,246,.15)}

/* ═══ Toast ═══ */
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--text);color:var(--bg);padding:10px 20px;border-radius:10px;font-size:.82rem;font-weight:600;z-index:300;opacity:0;transition:opacity .3s;pointer-events:none}
.toast.show{opacity:1}

/* ═══ Responsive ═══ */
@media(max-width:480px){
  .header .logo-sub{display:none}
  .scan-buttons{grid-template-columns:1fr 1fr}
  .portion-options{grid-template-columns:repeat(2,1fr)}
  .today-macros{gap:8px}
  .setting-row{flex-direction:column;align-items:flex-start}
  .setting-label{min-width:auto}
  .ai-compare-grid{grid-template-columns:1fr}
}