:root{--bg-primary: #0f0f1a;--bg-secondary: #1a1a2e;--bg-card: #16213e;--bg-input: #1a1a3e;--text-primary: #e0e0e0;--text-secondary: #8888a0;--text-muted: #555570;--accent: #6c5ce7;--accent-hover: #7c6cf7;--accent-active: #5c4cd7;--danger: #e74c3c;--success: #2ecc71;--warning: #f39c12;--border: #2a2a4e;--radius: 12px;--radius-sm: 8px}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{height:100%;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.5;user-select:none;-webkit-user-select:none}#root{height:100%}.screen{height:100%;display:flex;flex-direction:column;overflow:hidden}.screen-header{display:flex;align-items:center;padding:16px 20px;gap:12px;background:var(--bg-secondary);border-bottom:1px solid var(--border);flex-shrink:0}.screen-header h1{font-size:18px;font-weight:600;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.screen-content{flex:1;overflow-y:auto;padding:16px 20px;-webkit-overflow-scrolling:touch}.screen-footer{padding:16px 20px;background:var(--bg-secondary);border-top:1px solid var(--border);flex-shrink:0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border:none;border-radius:var(--radius-sm);font-size:15px;font-weight:500;cursor:pointer;transition:background .2s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:active{background:var(--accent-active)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border)}.btn-sm{padding:6px 12px;font-size:13px}.btn-back{background:none;border:none;color:var(--text-primary);font-size:22px;cursor:pointer;padding:4px 8px}.btn-upload{width:100%}.pin-screen{height:100%;display:flex;align-items:center;justify-content:center;background:var(--bg-primary)}.pin-container{text-align:center;width:100%;max-width:320px;padding:20px}.pin-title{font-size:24px;font-weight:600;margin-bottom:8px}.pin-subtitle{color:var(--text-secondary);font-size:14px;margin-bottom:24px}.pin-dots{display:flex;justify-content:center;gap:16px;margin:24px 0}.pin-dot{width:16px;height:16px;border-radius:50%;border:2px solid var(--text-secondary);transition:all .15s}.pin-dot.filled{background:var(--accent);border-color:var(--accent)}.pin-dot.error{border-color:var(--danger);animation:shake .3s}.pin-dot.filled.error{background:var(--danger)}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.pin-error{color:var(--danger);font-size:14px;min-height:20px}.pin-lock-timer{color:var(--warning);font-size:20px;font-weight:600}.pin-keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:280px;margin:24px auto 0}.pin-key{width:72px;height:72px;border-radius:50%;border:1px solid var(--border);background:var(--bg-secondary);color:var(--text-primary);font-size:26px;font-weight:500;cursor:pointer;display:flex;align-items:center;justify-content:center;margin:0 auto;transition:background .15s}.pin-key:active{background:var(--accent)}.pin-key:disabled{opacity:.3}.pin-key-spacer{width:72px;height:72px}.pin-key-delete{font-size:22px;border:none;background:transparent}.pin-loading{color:var(--text-secondary);font-size:16px}.loading-indicator{text-align:center;padding:40px;color:var(--text-secondary)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary)}.empty-state p{margin-bottom:8px}.track-list{display:flex;flex-direction:column;gap:12px}.track-card{display:flex;align-items:center;padding:16px;background:var(--bg-card);border-radius:var(--radius);cursor:pointer;transition:background .15s}.track-card:active{background:var(--bg-input)}.track-hot{border-left:3px solid #ff6b35}.track-hot-btn{background:none;border:none;font-size:20px;cursor:pointer;padding:4px 8px 4px 0;flex-shrink:0;line-height:1;color:var(--text-muted)}.track-card-info{flex:1;min-width:0}.track-card-title{font-size:16px;font-weight:600;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.track-card-location{color:var(--text-secondary);font-size:13px;margin-bottom:2px}.track-card-meta{display:flex;gap:12px;color:var(--text-secondary);font-size:13px}.track-card-position{color:var(--accent);font-size:13px;margin-top:4px}.track-card-delete{background:none;border:none;color:var(--text-muted);font-size:20px;cursor:pointer;padding:8px;flex-shrink:0}.track-card-delete:hover{color:var(--danger)}.player-content{display:flex;flex-direction:column;gap:20px}.location-display{color:var(--text-secondary);font-size:14px;cursor:pointer;padding:6px 0;transition:color .15s}.location-display:hover{color:var(--text-primary)}.location-edit{display:flex;align-items:center;gap:8px}.location-input{flex:1;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 12px;color:var(--text-primary);font-size:14px;outline:none}.location-input:focus{border-color:var(--accent)}.btn-small{padding:6px 12px;font-size:13px;border-radius:var(--radius-sm);border:none;background:var(--accent);color:#fff;cursor:pointer}.btn-muted{background:var(--bg-input);color:var(--text-secondary)}.waveform-bar{position:relative;width:100%;height:64px;cursor:pointer;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-secondary)}.waveform-canvas{width:100%;height:100%;display:block}.waveform-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:13px}.seek-bar-container{padding:8px 0}.seek-bar{position:relative;height:6px;background:var(--border);border-radius:3px;cursor:pointer}.seek-bar-fill{position:absolute;left:0;top:0;height:100%;background:var(--accent);border-radius:3px;pointer-events:none}.seek-bar-thumb{position:absolute;top:50%;transform:translate(-50%,-50%);width:16px;height:16px;border-radius:50%;background:var(--accent);pointer-events:none;transition:transform .1s}.seek-bar.seeking .seek-bar-thumb{transform:translate(-50%,-50%) scale(1.4)}.seek-bar.seeking{cursor:grabbing}.seek-bar-times{display:flex;justify-content:space-between;font-size:13px;color:var(--text-secondary);margin-top:6px}.player-controls{display:flex;align-items:center;justify-content:center;gap:24px}.btn-control{background:var(--bg-card);border:1px solid var(--border);color:var(--text-primary);font-size:14px;padding:10px 16px;border-radius:var(--radius-sm);cursor:pointer}.btn-control:active{background:var(--accent)}.btn-control-small{font-size:12px;padding:8px 10px;opacity:.7}.btn-play{width:64px;height:64px;border-radius:50%;border:none;background:var(--accent);color:#fff;font-size:26px;cursor:pointer;display:flex;align-items:center;justify-content:center}.btn-play:active{background:var(--accent-active)}.gain-slider{display:flex;align-items:center;gap:12px;padding:8px 0}.gain-icon{font-size:18px;flex-shrink:0}.gain-range{flex:1;height:6px;-webkit-appearance:none;appearance:none;background:var(--border);border-radius:3px;outline:none}.gain-range::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--accent);cursor:pointer}.gain-range::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--accent);cursor:pointer;border:none}.gain-value{font-size:14px;font-weight:600;min-width:48px;text-align:right;color:var(--accent)}.audio-toggles{display:flex;gap:12px}.btn-toggle{flex:1;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-card);color:var(--text-secondary);font-size:13px;cursor:pointer;transition:all .2s}.btn-toggle.active{background:var(--accent);color:#fff;border-color:var(--accent)}.marker-section{background:var(--bg-secondary);border-radius:var(--radius);padding:16px}.marker-section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.marker-section-header h2{font-size:16px;font-weight:600}.btn-add-marker{background:var(--accent);color:#fff;border:none;padding:6px 14px;border-radius:var(--radius-sm);font-size:13px;cursor:pointer}.marker-input{display:flex;flex-direction:column;gap:10px;padding:12px;background:var(--bg-card);border-radius:var(--radius-sm);margin-bottom:12px}.marker-input-time{font-size:14px;color:var(--accent);font-weight:600}.marker-input-label{padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-input);color:var(--text-primary);font-size:14px;outline:none}.marker-input-label:focus{border-color:var(--accent)}.marker-color-picker{display:flex;gap:8px}.marker-color-btn{width:28px;height:28px;border-radius:50%;border:2px solid transparent;cursor:pointer}.marker-color-btn.selected{border-color:#fff}.marker-list{display:flex;flex-direction:column;gap:4px}.marker-list-empty{text-align:center;color:var(--text-muted);font-size:14px;padding:12px}.marker-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);cursor:pointer;transition:background .15s}.marker-item:hover{background:var(--bg-card)}.marker-item:active{background:var(--accent);transform:scale(.98)}.marker-item.nearby{background:var(--bg-card)}.marker-item.editing{flex-direction:column;align-items:stretch;gap:8px;background:var(--bg-card);padding:12px;cursor:default}.marker-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.marker-time{font-size:13px;color:var(--accent);font-weight:500;flex-shrink:0;min-width:50px}.marker-label{font-size:14px;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.marker-actions{display:flex;gap:4px;flex-shrink:0;opacity:.5}.marker-item:hover .marker-actions{opacity:1}.marker-btn{background:none;border:none;color:var(--text-secondary);font-size:16px;cursor:pointer;padding:4px}.marker-btn-delete:hover{color:var(--danger)}.marker-edit-label{padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-input);color:var(--text-primary);font-size:14px;outline:none}.marker-edit-actions{display:flex;gap:8px}.player-extras{display:flex;flex-direction:column;gap:12px}.timer-control{display:flex;align-items:center;gap:12px}.timer-label{font-size:14px;color:var(--text-secondary);flex-shrink:0}.timer-options{display:flex;gap:8px;flex-wrap:wrap}.timer-btn{padding:6px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-card);color:var(--text-secondary);font-size:13px;cursor:pointer}.timer-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.library-screen.drag-over{position:relative}.drop-overlay{position:fixed;inset:0;background:#6c5ce726;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100;pointer-events:none}.drop-overlay-content{text-align:center;color:var(--accent);font-size:18px;font-weight:600}.drop-icon{font-size:48px;margin-bottom:12px}.upload-banner{background:var(--accent);color:#fff;padding:10px 16px;border-radius:var(--radius-sm);margin-bottom:12px;text-align:center;font-size:14px;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.upload-dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:48px 24px;text-align:center;cursor:pointer;transition:all .2s;margin-bottom:20px}.upload-dropzone.dragging{border-color:var(--accent);background:#6c5ce71a}.upload-dropzone.has-file{border-color:var(--success);border-style:solid}.upload-icon{font-size:48px;margin-bottom:12px}.upload-placeholder p{color:var(--text-secondary);margin-bottom:4px}.upload-hint{font-size:13px;color:var(--text-muted)}.upload-file-info{text-align:center}.upload-file-name{font-size:16px;font-weight:600;margin-bottom:4px;word-break:break-all}.upload-file-size{color:var(--text-secondary);font-size:14px}.upload-warning{background:#f39c121a;border:1px solid var(--warning);border-radius:var(--radius);padding:16px;margin-bottom:20px}.upload-warning p{margin-bottom:8px;font-size:14px}.upload-cli-command{background:var(--bg-primary);border-radius:var(--radius-sm);padding:12px;cursor:pointer;margin-top:8px}.upload-cli-command code{font-family:Menlo,Consolas,monospace;font-size:14px;color:var(--accent)}.copy-hint{display:block;font-size:12px;color:var(--text-muted);margin-top:4px}.upload-error{background:#e74c3c1a;border:1px solid var(--danger);border-radius:var(--radius-sm);padding:12px;color:var(--danger);font-size:14px;margin-bottom:16px}.btn-upload-start{width:100%}.upload-done{text-align:center;padding:60px 20px}.upload-done-icon{width:64px;height:64px;border-radius:50%;background:var(--success);color:#fff;font-size:32px;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}.upload-done p{font-size:18px;margin-bottom:24px}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}