:root{--bg: #1e1e2e;--surface: #2a2a3e;--surface2: #313244;--border: #44475a;--text: #e0e0e0;--muted: #888;--accent: #7c5cd8;--accent2: #3b82d4;--green: #2d6a27;--green-h: #3a8a33;--red: #6a2727;--red-h: #8a3333;--teal: #2a5a4a;--teal-h: #3a8a6a;--highlight-bg: #FFD700;--highlight-fg: #1a1a2e;--radius: 8px;--shadow: 0 2px 8px rgba(0,0,0,.4)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,Segoe UI,system-ui,sans-serif;font-size:15px;line-height:1.5;-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:none;border-radius:var(--radius);font-size:14px;padding:10px 18px;transition:background .15s}button:disabled{opacity:.4;cursor:default}select{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:6px 10px;font-size:13px}.app{display:flex;flex-direction:column;height:100%}.app-header{background:var(--surface);border-bottom:1px solid var(--border);padding:10px 16px;flex-shrink:0}.app-header h1{font-size:16px;font-weight:700}.tab-bar{display:flex;background:var(--surface);border-bottom:2px solid var(--border);flex-shrink:0}.tab-btn{flex:1;padding:11px 8px;font-size:14px;font-weight:600;background:transparent;color:var(--muted);border-radius:0;border-bottom:3px solid transparent;margin-bottom:-2px}.tab-btn.active{color:var(--text);border-bottom-color:var(--accent)}.tab-btn:hover:not(.active){background:var(--surface2)}.toolbar{background:var(--surface);border-bottom:1px solid var(--border);padding:10px 14px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;flex-shrink:0}.toolbar h1{font-size:16px;font-weight:700;margin-right:6px}.btn{background:var(--surface2);color:var(--text)}.btn:hover:not(:disabled){background:var(--border)}.btn-green{background:var(--green);color:#fff}.btn-green:hover:not(:disabled){background:var(--green-h)}.btn-red{background:var(--red);color:#fff}.btn-red:hover:not(:disabled){background:var(--red-h)}.btn-accent{background:var(--accent);color:#fff}.btn-accent:hover:not(:disabled){background:#9370e8}.btn-teal{background:var(--teal);color:#fff}.btn-teal:hover:not(:disabled){background:var(--teal-h)}.btn-blue{background:var(--accent2);color:#fff}.btn-blue:hover:not(:disabled){background:#5599e8}.toolbar-spacer{flex:1}.statusbar{background:var(--surface);border-top:1px solid var(--border);padding:5px 14px;font-size:12px;color:var(--muted);flex-shrink:0}.main-area{flex:1;overflow:hidden;display:flex;flex-direction:column}.library-panel{flex:1;overflow-y:auto;padding:16px}.library-panel h2{font-size:15px;margin-bottom:12px;color:var(--muted)}.library-list{display:flex;flex-direction:column;gap:8px}.library-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;display:flex;align-items:center;gap:10px;cursor:pointer;transition:background .15s}.library-item:hover,.library-item.active{background:var(--surface2);border-color:var(--accent)}.library-item-info{flex:1;min-width:0}.library-item-name{font-weight:600;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.library-item-meta{font-size:12px;color:var(--muted);margin-top:2px}.badge{font-size:11px;padding:2px 7px;border-radius:10px;background:var(--surface2);color:var(--muted);white-space:nowrap}.badge.green{background:#1a3a1a;color:#6db96d}.badge.blue{background:#1a2a3e;color:#6aabdb}.reader-wrap{flex:1;overflow-y:auto;padding:20px 18px 100px;-webkit-overflow-scrolling:touch}.reader-text{font-size:17px;line-height:1.85;max-width:680px;margin:0 auto;white-space:pre-wrap;word-break:break-word}.reader-text .word{cursor:pointer;border-radius:3px;transition:background .05s}.reader-text .word:hover{background:var(--surface2)}.reader-text .word.highlight{background:var(--highlight-bg);color:var(--highlight-fg);border-radius:3px}.controls{background:var(--surface);border-top:1px solid var(--border);padding:10px 14px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;flex-shrink:0}.controls-right{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}.engine-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:8px 14px;background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0}.engine-row label{font-size:12px;color:var(--muted)}.progress-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:100}.progress-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px 28px;min-width:320px;max-width:480px;width:90%;box-shadow:var(--shadow)}.progress-box h3{margin-bottom:12px;font-size:15px}.progress-bar-track{background:var(--surface2);border-radius:6px;height:10px;overflow:hidden;margin:10px 0 8px}.progress-bar-fill{height:100%;background:var(--accent);border-radius:6px;transition:width .3s}.progress-label{font-size:12px;color:var(--muted);margin-bottom:14px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:200}.modal-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;min-width:280px;max-width:500px;width:90%;box-shadow:var(--shadow)}.modal-box h3{margin-bottom:14px}.modal-box p{font-size:13px;color:var(--muted);margin-bottom:16px}.modal-actions{display:flex;gap:10px;justify-content:flex-end}.drop-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:28px;text-align:center;color:var(--muted);font-size:14px;cursor:pointer;transition:border-color .2s;margin-bottom:14px}.drop-zone.dragging{border-color:var(--accent);color:var(--text)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.section-header h2{font-size:15px;color:var(--muted)}.muted-msg{font-size:13px;color:var(--muted);text-align:center;margin-top:32px;line-height:1.8}.audio-library{flex:1;overflow-y:auto;padding:16px;-webkit-overflow-scrolling:touch}.audio-list{display:flex;flex-direction:column;gap:10px}.audio-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px}.audio-card-header{display:flex;align-items:center;gap:10px;margin-bottom:10px}.audio-card-info{flex:1;min-width:0}.audio-card-name{font-weight:600;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.audio-card-meta{font-size:12px;color:var(--muted);margin-top:2px;display:flex;align-items:center;gap:8px}.bookmark-badge{display:inline-flex;align-items:center;gap:3px;font-size:11px;font-weight:500;color:#7c9ad4;background:rgba(59,130,212,.12);border-radius:4px;padding:1px 6px}.audio-card-has-bookmark{border-left:3px solid #3b82d4;padding-left:calc(var(--card-pad, 14px) - 3px)}.audio-card-actions{display:flex;gap:6px;flex-shrink:0}.btn-icon{background:var(--surface2);color:var(--text);padding:6px 10px;font-size:15px}.btn-icon:hover{background:var(--border)}.btn-icon-red:hover{background:var(--red-h)}.mini-player{display:flex;align-items:center;gap:10px}.play-btn{background:var(--accent);color:#fff;width:36px;height:36px;border-radius:50%;font-size:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0;padding:0;transition:background .15s}.play-btn:hover{background:#9370e8}.play-btn.playing{background:var(--red)}.play-btn.playing:hover{background:var(--red-h)}.mini-player-body{flex:1;min-width:0}.mini-progress-track{background:var(--surface2);border-radius:4px;height:6px;cursor:pointer;overflow:hidden;margin-bottom:4px}.mini-progress-fill{height:100%;background:var(--accent);border-radius:4px;transition:width .1s linear}.mini-time{font-size:11px;color:var(--muted)}.admin-panel{flex:1;display:flex;flex-direction:column;overflow:hidden}.reader-toolbar{background:var(--surface);border-bottom:1px solid var(--border);padding:8px 12px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;flex-shrink:0}.reader-title{font-size:13px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:160px}.regen-form{display:grid;grid-template-columns:auto 1fr;gap:10px 12px;align-items:center;margin-top:14px}.regen-form label{font-size:13px;color:var(--muted);white-space:nowrap}.regen-form select{width:100%}.admin-list-wrap{flex:1;overflow-y:auto;padding:16px;-webkit-overflow-scrolling:touch}.text-group{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:8px;overflow:hidden}.text-row{display:flex;align-items:center;gap:8px;padding:10px 12px;cursor:default}.text-row:hover{background:var(--surface2)}.expand-btn{background:transparent;color:var(--muted);padding:0 4px;font-size:16px;line-height:1;width:22px;flex-shrink:0;border-radius:4px}.expand-btn:hover:not(:disabled){background:var(--border);color:var(--text)}.expand-btn:disabled{opacity:.3;cursor:default}.text-row-info{flex:1;min-width:0;cursor:pointer}.text-row-name{font-weight:600;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.text-row-meta{font-size:12px;color:var(--muted);margin-top:2px;display:flex;align-items:center}.audio-children{border-top:1px solid var(--border);background:var(--bg);padding:6px 8px 8px 36px}.audio-child-row{display:flex;align-items:center;gap:8px;padding:7px 8px;border-radius:6px}.audio-child-row:hover{background:var(--surface2)}.audio-child-name{flex:1;min-width:0;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.audio-child-meta{font-size:11px;color:var(--muted);white-space:nowrap}.audio-child-actions{display:flex;gap:4px;flex-shrink:0}.audio-child-generate{padding:8px 4px 2px}.audio-child-row.published .audio-child-name{color:var(--text)}.audio-child-row.published{border-left:3px solid var(--accent);padding-left:5px}.btn-publish-on{background:#1a3a2a;color:#6db96d}.btn-publish-on:hover{background:#2a5a3a}.btn-clean{background:#2a3a1a;color:#a8d878}.btn-clean:hover:not(:disabled){background:#3a5a28}.btn-restore{background:#2a2a4a;color:#9090e0}.btn-restore:hover:not(:disabled){background:#3a3a6a}.btn-split{display:flex;align-items:stretch;gap:0}.btn-split-main{border-radius:6px 0 0 6px;border-right:1px solid rgba(0,0,0,.35)}.btn-split-select{border-radius:0 6px 6px 0;padding:0 6px;font-size:.78rem;cursor:pointer;min-width:0;-webkit-appearance:auto;-moz-appearance:auto;appearance:auto}.clean-modal{max-width:560px}.clean-stats{display:flex;gap:12px;margin:14px 0}.clean-stat{flex:1;background:var(--surface2);border-radius:6px;padding:10px 14px;text-align:center}.clean-stat.accent{background:#1a2e1a}.clean-stat-label{display:block;font-size:11px;color:var(--muted);margin-bottom:4px}.clean-stat-value{display:block;font-size:22px;font-weight:700}.clean-stat.accent .clean-stat-value{color:#a8d878}.clean-note{font-size:12px;color:var(--muted);background:var(--surface2);border-radius:6px;padding:8px 12px;margin-bottom:14px;line-height:1.5}.clean-preview{background:var(--bg);border:1px solid var(--border);border-radius:6px;overflow:hidden;margin-bottom:18px}.clean-preview-label{font-size:11px;color:var(--muted);padding:6px 12px;border-bottom:1px solid var(--border);background:var(--surface2)}.clean-preview-text{font-size:12px;line-height:1.6;padding:10px 12px;white-space:pre-wrap;word-break:break-word;max-height:200px;overflow-y:auto;color:var(--text);font-family:inherit;margin:0}