/* styles.css - Pet Compatibility Quiz & Breed Explorer - 2026-06-11 */
:root {
    --navy-900: #0a1628;
    --navy-800: #0f2140;
    --navy-700: #152d50;
    --navy-600: #1a3a66;
    --navy-500: #1e4d8c;
    --navy-400: #2563a8;
    --navy-300: #4a90c4;
    --navy-200: #7eb8e0;
    --navy-100: #b8daf0;
    --navy-50: #e6f2fa;
    --accent-purple: #7c3aed;
    --accent-green: #10b981;
    --accent-yellow: #eab308;
    --accent-orange: #f97316;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-xl: 0 20px 25px -5px rgba(10, 22, 40, 0.1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(145deg, var(--navy-900) 0%, var(--navy-800) 50%, var(--navy-700) 100%);
    min-height: 100vh;
    color: var(--gray-800);
    line-height: 1.6;
}
.app-container { max-width: 980px; margin: 0 auto; padding: 20px; min-height: 100vh; display: flex; flex-direction: column; }
.app-header { text-align: center; padding: 30px 20px 20px; }
.header-icon {
    width: 80px; height: 80px;
    background: linear-gradient(135deg, var(--accent-purple) 0%, var(--navy-500) 100%);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 8px 32px rgba(124, 58, 237, 0.3);
}
.header-icon svg { width: 44px; height: 44px; fill: var(--white); }
.app-title { font-family: 'Source Serif 4', Georgia, serif; font-size: 2.5rem; font-weight: 600; color: var(--white); margin-bottom: 10px; }
.app-subtitle { font-size: 1.1rem; color: var(--navy-200); font-weight: 300; max-width: 600px; margin: 0 auto; }

/* Mode switch */
.mode-switch { display: flex; justify-content: center; gap: 0; margin: 24px auto 0; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); border-radius: 999px; padding: 5px; max-width: 420px; }
.mode-btn { flex: 1; padding: 10px 18px; border: none; background: none; color: var(--navy-100); font-family: inherit; font-size: 0.95rem; font-weight: 600; cursor: pointer; border-radius: 999px; transition: all 0.2s; display: flex; align-items: center; justify-content: center; gap: 8px; }
.mode-btn svg { width: 18px; height: 18px; fill: currentColor; }
.mode-btn.active { background: var(--white); color: var(--navy-700); box-shadow: 0 2px 8px rgba(0,0,0,0.2); }

.main-content { background: var(--white); border-radius: var(--radius-xl); box-shadow: var(--shadow-xl); flex: 1; padding: 30px; margin-top: 20px; }
.progress-bar { height: 8px; background: var(--gray-200); border-radius: 4px; margin-bottom: 10px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--navy-500), var(--accent-purple)); border-radius: 4px; transition: width 0.3s ease; width: 8.33%; }
.progress-text { text-align: center; font-size: 0.9rem; color: var(--gray-500); margin-bottom: 30px; }
.quiz-container { min-height: 400px; }
.question-slide { animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.question-header { text-align: center; margin-bottom: 30px; }
.question-number { font-size: 0.9rem; color: var(--accent-purple); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }
.question-text { font-family: 'Source Serif 4', Georgia, serif; font-size: 1.6rem; font-weight: 600; color: var(--gray-800); }
.options-grid { display: grid; gap: 12px; }
.options-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.options-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.option-btn {
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    font-family: inherit;
    text-align: center;
}
.option-btn:hover { border-color: var(--navy-300); background: var(--navy-50); transform: translateY(-2px); }
.option-btn.selected { border-color: var(--navy-500); background: var(--navy-50); box-shadow: 0 4px 12px rgba(30, 77, 140, 0.2); }
.option-icon { font-size: 2rem; }
.option-label { font-size: 1rem; font-weight: 600; color: var(--gray-800); }
.option-desc { font-size: 0.85rem; color: var(--gray-500); }
.slider-container { max-width: 500px; margin: 0 auto; padding: 20px 0; }
.slider-label { display: flex; justify-content: space-between; margin-bottom: 15px; font-size: 0.9rem; color: var(--gray-500); }
.slider-input { width: 100%; height: 8px; border-radius: 4px; background: var(--gray-200); -webkit-appearance: none; appearance: none; cursor: pointer; }
.slider-input::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 24px; height: 24px; border-radius: 50%; background: var(--navy-500); cursor: pointer; }
.slider-input::-moz-range-thumb { width: 24px; height: 24px; border: none; border-radius: 50%; background: var(--navy-500); cursor: pointer; }
.slider-value { text-align: center; margin-top: 15px; font-size: 1.2rem; font-weight: 600; color: var(--navy-600); }
.checkbox-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; }
.checkbox-item { display: flex; align-items: center; gap: 10px; padding: 12px 16px; background: var(--gray-50); border: 2px solid var(--gray-200); border-radius: var(--radius-md); cursor: pointer; transition: all 0.2s; }
.checkbox-item:hover { border-color: var(--navy-300); }
.checkbox-item.checked { border-color: var(--navy-500); background: var(--navy-50); }
.checkbox-item input { width: 20px; height: 20px; accent-color: var(--navy-500); }
.checkbox-item label { cursor: pointer; font-size: 0.95rem; color: var(--gray-700); }
.nav-buttons { display: flex; justify-content: space-between; margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--gray-200); }
.nav-btn { display: flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: var(--radius-md); font-family: inherit; font-size: 1rem; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.nav-btn svg { width: 20px; height: 20px; fill: currentColor; }
.nav-btn.primary { background: linear-gradient(135deg, var(--navy-500), var(--navy-600)); color: var(--white); border: none; }
.nav-btn.primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(30, 77, 140, 0.3); }
.nav-btn.secondary { background: var(--white); color: var(--gray-600); border: 2px solid var(--gray-300); }
.nav-btn.secondary:hover { border-color: var(--navy-400); color: var(--navy-600); }
.nav-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }
.results-container { animation: fadeIn 0.5s ease; }
.results-header { text-align: center; margin-bottom: 40px; }
.results-title { font-family: 'Source Serif 4', Georgia, serif; font-size: 2rem; font-weight: 600; color: var(--gray-800); margin-bottom: 10px; }
.results-subtitle { font-size: 1.1rem; color: var(--gray-500); }
.results-tabs { display: flex; gap: 10px; margin-bottom: 30px; flex-wrap: wrap; justify-content: center; }
.tab-btn { padding: 10px 20px; border: 2px solid var(--gray-200); border-radius: var(--radius-md); background: var(--white); font-family: inherit; font-size: 0.95rem; font-weight: 500; color: var(--gray-600); cursor: pointer; transition: all 0.2s; }
.tab-btn:hover { border-color: var(--navy-300); }
.tab-btn.active { border-color: var(--navy-500); background: var(--navy-50); color: var(--navy-700); }
.results-grid { display: grid; gap: 20px; }
.result-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-lg); overflow: hidden; transition: all 0.2s; }
.result-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.1); transform: translateY(-2px); }
.result-card-header { display: flex; align-items: center; gap: 15px; padding: 20px; background: linear-gradient(135deg, var(--gray-50), var(--white)); }
.result-rank { width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.1rem; flex-shrink: 0; }
.result-rank.gold { background: linear-gradient(135deg, #fbbf24, #f59e0b); color: white; }
.result-rank.silver { background: linear-gradient(135deg, #9ca3af, #6b7280); color: white; }
.result-rank.bronze { background: linear-gradient(135deg, #d97706, #b45309); color: white; }
.result-rank.other { background: var(--gray-200); color: var(--gray-600); }
.result-emoji { font-size: 2rem; flex-shrink: 0; }
.result-info { flex: 1; min-width: 0; }
.result-name { font-size: 1.2rem; font-weight: 600; color: var(--gray-800); }
.result-type { font-size: 0.85rem; color: var(--gray-500); text-transform: capitalize; }
.result-score { text-align: right; }
.score-value { font-size: 1.5rem; font-weight: 700; color: var(--navy-600); }
.score-label { font-size: 0.75rem; color: var(--gray-400); text-transform: uppercase; }
.result-card-body { padding: 20px; border-top: 1px solid var(--gray-100); }
.result-description { font-size: 0.95rem; color: var(--gray-600); margin-bottom: 20px; line-height: 1.6; }
.compatibility-bars { margin-bottom: 20px; }
.compat-item { margin-bottom: 12px; }
.compat-label { display: flex; justify-content: space-between; margin-bottom: 4px; font-size: 0.85rem; }
.compat-name { color: var(--gray-700); font-weight: 500; }
.compat-value { color: var(--gray-500); }
.compat-bar { height: 6px; background: var(--gray-200); border-radius: 3px; overflow: hidden; }
.compat-fill { height: 100%; border-radius: 3px; transition: width 0.5s ease; }
.compat-fill.excellent { background: linear-gradient(90deg, var(--accent-green), #059669); }
.compat-fill.good { background: linear-gradient(90deg, var(--accent-yellow), #ca8a04); }
.compat-fill.fair { background: linear-gradient(90deg, var(--accent-orange), #ea580c); }
.compat-fill.poor { background: linear-gradient(90deg, #ef4444, #dc2626); }
.care-requirements { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.care-item { background: var(--gray-50); padding: 12px; border-radius: var(--radius-sm); text-align: center; }
.care-icon { font-size: 1.5rem; margin-bottom: 4px; }
.care-label { font-size: 0.75rem; color: var(--gray-500); text-transform: uppercase; margin-bottom: 2px; }
.care-value { font-size: 0.9rem; font-weight: 600; color: var(--gray-700); }
.expand-btn { width: 100%; padding: 12px; background: none; border: none; border-top: 1px solid var(--gray-100); color: var(--navy-600); font-family: inherit; font-size: 0.9rem; font-weight: 500; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 6px; transition: background 0.2s; }
.expand-btn:hover { background: var(--gray-50); }
.expand-btn svg { width: 16px; height: 16px; fill: currentColor; transition: transform 0.2s; }
.expand-btn.expanded svg { transform: rotate(180deg); }
.actions-row { display: flex; gap: 12px; margin-top: 30px; justify-content: center; flex-wrap: wrap; }
.action-btn { display: flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: var(--radius-md); font-family: inherit; font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.action-btn svg { width: 18px; height: 18px; fill: currentColor; }
.action-btn.primary { background: var(--navy-500); color: white; border: none; }
.action-btn.primary:hover { background: var(--navy-600); }
.action-btn.secondary { background: white; color: var(--gray-600); border: 2px solid var(--gray-300); }
.action-btn.secondary:hover { border-color: var(--navy-400); color: var(--navy-600); }

/* Browse / Explore mode */
.browse-toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 20px; }
.browse-search { flex: 1; min-width: 180px; position: relative; }
.browse-search input { width: 100%; padding: 12px 14px 12px 40px; border: 2px solid var(--gray-200); border-radius: var(--radius-md); font-family: inherit; font-size: 0.95rem; color: var(--gray-800); transition: border-color 0.2s; }
.browse-search input:focus { outline: none; border-color: var(--navy-400); }
.browse-search svg { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; fill: var(--gray-400); }
.browse-select { padding: 11px 14px; border: 2px solid var(--gray-200); border-radius: var(--radius-md); font-family: inherit; font-size: 0.9rem; color: var(--gray-700); background: var(--white); cursor: pointer; }
.browse-select:focus { outline: none; border-color: var(--navy-400); }
.browse-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.chip { padding: 7px 14px; border: 2px solid var(--gray-200); border-radius: 999px; background: var(--white); font-family: inherit; font-size: 0.85rem; font-weight: 500; color: var(--gray-600); cursor: pointer; transition: all 0.2s; }
.chip:hover { border-color: var(--navy-300); }
.chip.active { border-color: var(--navy-500); background: var(--navy-50); color: var(--navy-700); }
.browse-count { font-size: 0.9rem; color: var(--gray-500); margin-bottom: 16px; }
.browse-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.breed-card { border: 1px solid var(--gray-200); border-radius: var(--radius-lg); overflow: hidden; transition: all 0.2s; display: flex; flex-direction: column; }
.breed-card:hover { box-shadow: 0 6px 18px rgba(0,0,0,0.1); transform: translateY(-2px); border-color: var(--navy-200); }
.breed-card-top { display: flex; align-items: center; gap: 12px; padding: 16px; }
.breed-emoji { font-size: 1.8rem; }
.breed-card-title { font-size: 1.05rem; font-weight: 600; color: var(--gray-800); line-height: 1.25; }
.breed-card-sub { font-size: 0.8rem; color: var(--gray-500); text-transform: capitalize; }
.breed-card-desc { padding: 0 16px; font-size: 0.85rem; color: var(--gray-600); margin-bottom: 12px; }
.breed-traits { padding: 0 16px 14px; display: flex; flex-direction: column; gap: 8px; margin-top: auto; }
.trait-row { display: grid; grid-template-columns: 78px 1fr 44px; align-items: center; gap: 8px; }
.trait-name { font-size: 0.72rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.5px; }
.trait-track { height: 6px; background: var(--gray-200); border-radius: 3px; overflow: hidden; }
.trait-bar { height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--navy-400), var(--navy-500)); }
.trait-bar.lvl-1 { background: linear-gradient(90deg, var(--gray-300), var(--gray-400)); }
.trait-bar.lvl-2 { background: linear-gradient(90deg, var(--navy-300), var(--navy-400)); }
.trait-bar.lvl-3 { background: linear-gradient(90deg, var(--navy-500), var(--accent-purple)); }
.trait-val { font-size: 0.72rem; color: var(--gray-600); font-weight: 600; text-align: right; }
.breed-stats { padding: 12px 16px; background: var(--gray-50); border-top: 1px solid var(--gray-100); display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--gray-600); }
.breed-stats b { color: var(--gray-800); font-weight: 600; }
.compare-toggle { padding: 0 16px 14px; }
.compare-toggle button { width: 100%; padding: 9px; border: 2px solid var(--gray-200); border-radius: var(--radius-md); background: var(--white); font-family: inherit; font-size: 0.82rem; font-weight: 600; color: var(--navy-600); cursor: pointer; transition: all 0.2s; }
.compare-toggle button:hover { border-color: var(--navy-300); }
.breed-card.in-compare { border-color: var(--navy-500); box-shadow: 0 0 0 2px var(--navy-100); }
.breed-card.in-compare .compare-toggle button { background: var(--navy-500); color: var(--white); border-color: var(--navy-500); }

/* Compare bar / table */
.compare-bar { position: sticky; bottom: 0; background: var(--navy-700); color: var(--white); padding: 14px 18px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 24px; box-shadow: 0 -4px 20px rgba(0,0,0,0.25); }
.compare-bar-info { font-size: 0.9rem; font-weight: 500; }
.compare-bar-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.compare-bar button { padding: 8px 16px; border-radius: var(--radius-md); font-family: inherit; font-size: 0.85rem; font-weight: 600; cursor: pointer; border: none; }
.compare-bar .cmp-go { background: var(--white); color: var(--navy-700); }
.compare-bar .cmp-clear { background: rgba(255,255,255,0.15); color: var(--white); }
.compare-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin-top: 10px; }
.compare-table { width: 100%; border-collapse: collapse; min-width: 480px; }
.compare-table th, .compare-table td { padding: 12px 14px; text-align: center; border-bottom: 1px solid var(--gray-200); font-size: 0.9rem; }
.compare-table th { background: var(--navy-50); color: var(--navy-700); font-weight: 600; position: sticky; top: 0; }
.compare-table th.row-head, .compare-table td.row-head { text-align: left; color: var(--gray-500); font-weight: 600; text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.5px; background: var(--gray-50); position: sticky; left: 0; }
.compare-table .breed-th { font-family: 'Source Serif 4', Georgia, serif; font-size: 1rem; }
.compare-table td.best { background: #ecfdf5; color: #047857; font-weight: 700; }
.empty-state { text-align: center; padding: 50px 20px; color: var(--gray-500); }
.empty-state .ico { font-size: 2.5rem; margin-bottom: 10px; }

.app-footer { text-align: center; padding: 30px 20px; display: flex; align-items: center; justify-content: center; gap: 10px; }
.app-footer img { width: 32px; height: 32px; }
.app-footer a { color: var(--navy-200); text-decoration: none; font-size: 0.9rem; }
.app-footer a:hover { color: var(--white); }
.disclaimer { text-align: center; color: var(--navy-200); font-size: 0.8rem; opacity: 0.8; padding: 0 20px 10px; max-width: 640px; margin: 0 auto; }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--navy-800); color: white; padding: 12px 24px; border-radius: 8px; z-index: 1000; opacity: 0; transition: opacity 0.3s; pointer-events: none; }
.toast.show { opacity: 1; }

@media (max-width: 768px) {
    .app-title { font-size: 1.8rem; }
    .question-text { font-size: 1.3rem; }
    .options-grid.cols-2, .options-grid.cols-3 { grid-template-columns: 1fr; }
    .option-btn { padding: 15px; flex-direction: row; text-align: left; }
    .option-icon { font-size: 1.5rem; }
    .nav-buttons { flex-direction: column; gap: 10px; }
    .nav-btn { width: 100%; justify-content: center; }
    .results-tabs { gap: 8px; }
    .tab-btn { padding: 8px 14px; font-size: 0.85rem; }
}
@media (max-width: 480px) {
    .app-container { padding: 10px; }
    .main-content { padding: 20px 15px; }
    .checkbox-grid { grid-template-columns: 1fr; }
    .care-requirements { grid-template-columns: repeat(2, 1fr); }
    .browse-grid { grid-template-columns: 1fr; }
}
@media print {
    body { background: white; }
    .app-header, .mode-switch, .nav-buttons, .app-footer, .actions-row, .expand-btn, .browse-toolbar, .browse-chips, .compare-bar, .compare-toggle, .disclaimer { display: none !important; }
    .main-content { box-shadow: none; }
    .results-container { display: block !important; }
}