:root{color-scheme:light dark;--bg: #f7f7fb;--panel: #ffffff;--text: #1a1a2e;--muted: #6b6b80;--accent: #4f46e5;--accent-soft: #eef0ff;--border: #e4e4ec}@media (prefers-color-scheme: dark){:root{--bg: #14141f;--panel: #1e1e2d;--text: #f1f1f6;--muted: #9a9ab0;--accent: #818cf8;--accent-soft: #262640;--border: #2e2e42}}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Pretendard,Apple SD Gothic Neo,sans-serif;background:var(--bg);color:var(--text)}.app{max-width:640px;margin:0 auto;padding:24px 16px 60px}.app-header h1{margin:0;font-size:1.6rem}.tagline{color:var(--muted);margin:4px 0 20px;font-size:.9rem}.tabs{display:flex;gap:8px;margin-bottom:20px;border-bottom:1px solid var(--border)}.tab{background:none;border:none;padding:10px 4px;font-size:.95rem;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;margin-right:12px}.tab.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.search-form{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.search-form input[type=text]{flex:1 1 160px}input,select{padding:8px 10px;border-radius:8px;border:1px solid var(--border);background:var(--panel);color:var(--text);font-size:.9rem}button{padding:8px 14px;border-radius:8px;border:none;background:var(--accent);color:#fff;font-size:.9rem;cursor:pointer}button:disabled{opacity:.6;cursor:not-allowed}.link-button{background:none;color:var(--accent);padding:0;margin-bottom:16px}.book-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.book-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:14px 16px;cursor:pointer}.book-card-main{display:flex;flex-direction:column;gap:2px;margin-bottom:8px}.book-meta{color:var(--muted);font-size:.85rem}.book-card-tags{display:flex;gap:6px;flex-wrap:wrap}.tag{background:var(--accent-soft);color:var(--accent);padding:2px 8px;border-radius:999px;font-size:.78rem}.panel{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px;margin-top:16px}.panel h3{margin-top:0}.progress-bar{height:10px;background:var(--accent-soft);border-radius:999px;overflow:hidden;margin:8px 0}.progress-bar-fill{height:100%;background:var(--accent);transition:width .3s ease}.progress-form,.review-form{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}.progress-form input{width:100px}.review-form input[type=text]{flex:1 1 160px}.review-list{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-direction:column;gap:8px}.review-item{display:flex;gap:8px;align-items:center;font-size:.9rem}.hint{color:var(--muted);font-size:.9rem}.error{color:#e11d48;font-size:.9rem}