@import "https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@300;400;500;600;700;800;900&family=IBM+Plex+Mono:wght@400;500&display=swap";:root{--bg:#0a0f1c;--bg-elevated:#0d1424;--bg-card:#111a2e;--surface-3:#1c2b4a;--border:#1a2540;--border-strong:#22304d;--text-primary:#eaf0ff;--text-secondary:#8ca0c7;--text-muted:#5a6c8f;--accent:#3b82f6;--accent-2:#60a5fa;--accent-soft:#3b82f629;--accent-glow:#3b82f647;--danger:#f87171;--success:#34d399;--warn:#fbbf24;--font-display:"Space Grotesk", sans-serif;--font-body:"Inter", sans-serif;--font-mono:"IBM Plex Mono", monospace;--radius:18px;--shadow-card:0 1px 0 #ffffff05 inset, 0 8px 24px -12px #00000080}[data-theme=light]{--bg:#f3f6fd;--bg-elevated:#fff;--bg-card:#fff;--surface-3:#e3ebfc;--border:#e4ecfb;--border-strong:#d8e3f7;--text-primary:#0e1626;--text-secondary:#5b6b8c;--text-muted:#8b9ab8;--accent:#2563eb;--accent-2:#3b82f6;--accent-soft:#2563eb14;--accent-glow:#2563eb24;--shadow-card:0 1px 0 #fff9 inset, 0 8px 24px -14px #1e3a6e40}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);color:var(--text-primary);font-family:var(--font-body);-webkit-font-smoothing:antialiased;transition:background .35s,color .35s}body{min-height:100vh}a{color:inherit;text-decoration:none}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}input,textarea,select{font-family:inherit}.wrap{max-width:1600px;margin:0 auto;padding:0 40px}@media (width<=720px){.wrap{padding:0 16px}}header{z-index:50;background:var(--bg-elevated);border-bottom:1px solid var(--border);position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:16px;padding:0 24px;display:flex}.brand{align-items:center;gap:12px;display:flex}.brand-logo{width:auto;height:40px;display:block}.header-actions{align-items:center;gap:8px;display:flex}.icon-btn{border:1px solid 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input{width:16px;height:16px;accent-color:var(--accent)}.checklist-item-text{flex:1}.badge-required{color:var(--danger)}.badge-optional{color:var(--text-muted)}.badge-tip{color:var(--warn)}.calc-scenario-card{background:var(--bg-elevated);border:1px solid var(--border);text-align:center;cursor:pointer;border-radius:12px;padding:12px;transition:all 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0;font-size:13px;line-height:1.6}.book-cover{color:#fff;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:46px;height:46px;font-size:20px;display:flex}.book-rank{font-family:var(--font-mono);color:var(--accent-2);text-transform:uppercase;letter-spacing:.05em;font-size:10px}.book-title{font-family:var(--font-display);color:var(--text-primary);margin-top:2px;font-size:14.5px;font-weight:600;line-height:1.3}.book-author{color:var(--text-secondary);margin-top:2px;font-size:11.5px}.book-extra-row{flex-wrap:wrap;gap:6px;margin-top:6px;display:flex}.book-genre{font-family:var(--font-mono);background:var(--accent-soft);color:var(--accent-2);border-radius:999px;padding:3px 8px;font-size:10px}.book-extra-pill,.series-badge{font-family:var(--font-mono);background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-muted);border-radius:999px;padding:3px 8px;font-size:10px}.book-countries{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:6px;font-size:11px;display:flex}.trend-meter-header{color:var(--text-muted);justify-content:space-between;margin-bottom:4px;font-size:11px;display:flex}.trend-score{color:var(--accent-2);font-weight:700;font-family:var(--font-mono)}.trend-bar-bg{background:var(--bg-elevated);border-radius:999px;height:6px;overflow:hidden}.trend-bar-fill{background:linear-gradient(90deg, var(--accent), var(--accent-2));border-radius:999px;height:100%}.book-stats{border-top:1px solid var(--border);gap:14px;padding-top:8px;display:flex}.book-stat-val{color:var(--text-primary);font-size:13px;font-weight:700}.book-stat-key{color:var(--text-muted);text-transform:uppercase;font-size:10px}.book-amazon-link{color:var(--accent-2);border:1px solid var(--border-strong);border-radius:8px;align-self:flex-start;padding:6px 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#00000080}.book-result-cover-placeholder{color:#fff;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:120px;height:180px;font-size:32px;display:flex}.book-result-title{font-family:var(--font-display);color:var(--text-primary);font-size:19px;font-weight:700;line-height:1.3}.book-result-author{color:var(--accent-2);margin-top:4px;font-size:13px}.book-result-pills{flex-wrap:wrap;gap:6px;margin-top:10px;display:flex}.pill-outline{letter-spacing:.03em;text-transform:uppercase;border:1px solid var(--border-strong);color:var(--text-secondary);border-radius:999px;padding:4px 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var(--border);grid-template-columns:repeat(4,1fr);gap:8px;padding-top:12px;display:grid}.book-result-stat{text-align:center;flex-direction:column;align-items:center;gap:4px;display:flex}.book-result-stat-val{font-family:var(--font-display);color:var(--text-primary);font-size:14px;font-weight:700}.book-result-stat-key{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;font-size:10px}.book-amazon-btn{border:1px solid var(--border-strong);width:100%;color:var(--accent-2);background:var(--bg-elevated);border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:11px 0;font-size:13px;font-weight:700;transition:border-color .15s,background .15s;display:flex}.book-amazon-btn:hover{border-color:var(--accent-2);background:var(--accent-soft)}.fav-star{color:var(--text-muted);cursor:pointer;z-index:2;font-size:18px;position:absolute;top:14px;right:14px}.fav-star.active{color:var(--warn)}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border-strong)}