:root{--color-primary:#ff6b9d;--color-secondary:#4ecdc4;--color-bg:#fff5f7;--color-surface:#fff;--color-on-surface:#2d2d2d;--color-muted:#888;--shadow-card:0 1px 3px #00000014;--shadow-bar:0 -2px 12px #0000001a}*{box-sizing:border-box}html,body,#root{background:var(--color-bg);height:100%;color:var(--color-on-surface);margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Apple SD Gothic Neo,Noto Sans KR,sans-serif}.app-root{flex-direction:column;max-width:720px;height:100vh;margin:0 auto;display:flex}.app-header{background:var(--color-primary);color:#fff;flex-shrink:0;padding:16px 20px}.app-header h1{margin:0;font-size:18px;font-weight:700}.book-list{flex-direction:column;flex:1;gap:8px;padding:12px 12px 120px;display:flex;overflow-y:auto}.book-card{background:var(--color-surface);box-shadow:var(--shadow-card);border-radius:12px;align-items:center;gap:12px;padding:12px;transition:background .2s;display:flex}.book-card.is-current{background:#ffe1ec}.book-number{background:var(--color-primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:16px;font-weight:700;display:flex}.book-title{white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:15px;font-weight:500;overflow:hidden}.book-actions{flex-shrink:0;gap:6px;display:flex}.type-btn{cursor:pointer;border:none;border-radius:20px;align-items:center;gap:4px;padding:6px 10px;font-size:12px;font-weight:500;transition:background .2s,color .2s;display:inline-flex}.type-btn.type-A{color:var(--color-primary);background:#ff6b9d1a}.type-btn.type-A.active{background:var(--color-primary);color:#fff}.type-btn.type-B{color:var(--color-secondary);background:#4ecdc41a}.type-btn.type-B.active{background:var(--color-secondary);color:#fff}.type-icon{font-size:10px}.player-bar{background:var(--color-surface);max-width:720px;box-shadow:var(--shadow-bar);z-index:10;margin:0 auto;position:fixed;bottom:0;left:0;right:0}.seek-slider{appearance:none;cursor:pointer;background:0 0;width:100%;height:4px;margin:0;padding:0}.seek-slider::-webkit-slider-runnable-track{background:linear-gradient(to right, var(--accent-color,var(--color-primary)) 0%, var(--accent-color,var(--color-primary)) calc(var(--progress,0) * 100%), #0000001a calc(var(--progress,0) * 100%), #0000001a 100%);height:4px}.seek-slider::-webkit-slider-thumb{appearance:none;background:var(--accent-color,var(--color-primary));border:none;border-radius:50%;width:14px;height:14px;margin-top:-5px;box-shadow:0 1px 3px #0003}.seek-slider::-moz-range-track{background:#0000001a;height:4px}.seek-slider::-moz-range-progress{background:var(--accent-color,var(--color-primary));height:4px}.seek-slider::-moz-range-thumb{background:var(--accent-color,var(--color-primary));border:none;border-radius:50%;width:14px;height:14px;box-shadow:0 1px 3px #0003}.player-bar.type-A{--accent-color:var(--color-primary)}.player-bar.type-B{--accent-color:var(--color-secondary)}.player-row{align-items:center;gap:8px;padding:8px 16px 12px;display:flex}.player-meta{flex:1;min-width:0}.player-title{white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:700;overflow:hidden}.player-sub{color:var(--color-muted);margin-top:2px;font-size:11px}.player-controls{align-items:center;gap:4px;display:flex}.ctrl-btn{cursor:pointer;width:40px;height:40px;color:var(--color-on-surface);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:16px;display:flex}.ctrl-btn:hover{background:#0000000d}.ctrl-btn.primary{background:var(--color-primary);color:#fff;width:48px;height:48px;font-size:18px}.ctrl-btn.primary:hover{background:#e85c8c}