:root{--bg-base:#0a0b0d;--bg-sidebar:#111216;--bg-surface:#171921;--bg-surface-hover:#20232e;--bg-item-selected:#1b263b;--border-color:#242838;--text-primary:#f3f4f6;--text-secondary:#a0aec0;--text-muted:#657187;--accent:#3b82f6;--accent-hover:#2563eb;--danger:#ef4444;--danger-hover:#dc2626;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000004d, 0 4px 6px -2px #0000001a;--bg-thumbnail:#121318;--bg-player-placeholder:#121317;--scrollbar-thumb:#242838;--scrollbar-thumb-hover:#2f344a;--tap-target:44px;--st-proposed:#fbbf24;--st-proposed-bg:#f59e0b26;--st-proposed-line:#f59e0b8c;--st-approved:#34d399;--st-approved-bg:#10b98126;--st-approved-line:#10b9818c;--st-withdrawn:#9ca3af;--st-withdrawn-bg:#9ca3af1f;--st-withdrawn-line:#9ca3af66}[data-theme=light]{--bg-base:#f7f8fa;--bg-sidebar:#fff;--bg-surface:#fff;--bg-surface-hover:#eef1f6;--bg-item-selected:#e6efff;--border-color:#e2e6ee;--text-primary:#1a1d24;--text-secondary:#55607a;--text-muted:#8a94a8;--accent:#2563eb;--accent-hover:#1d4ed8;--danger:#dc2626;--danger-hover:#b91c1c;--shadow-sm:0 1px 2px 0 #0f172a0d;--shadow-md:0 4px 6px -1px #0f172a14, 0 2px 4px -1px #0f172a0d;--shadow-lg:0 10px 15px -3px #0f172a1f, 0 4px 6px -2px #0f172a0f;--bg-thumbnail:#eef1f6;--bg-player-placeholder:#eef1f6;--scrollbar-thumb:#cdd3df;--scrollbar-thumb-hover:#b4bccc;--st-proposed:#b45309;--st-proposed-bg:#f59e0b1f;--st-proposed-line:#f59e0b80;--st-approved:#047857;--st-approved-bg:#10b9811f;--st-approved-line:#10b98180;--st-withdrawn:#6b7280;--st-withdrawn-bg:#9ca3af24;--st-withdrawn-line:#9ca3af73}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-base);color:var(--text-primary);-webkit-text-size-adjust:100%;font-family:Outfit,Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5;overflow:hidden}.container{background-color:var(--bg-base);height:100dvh;display:flex}.sidebar{z-index:200;background-color:var(--bg-sidebar);border-right:1px solid var(--border-color);width:min(84vw,320px);padding-bottom:env(safe-area-inset-bottom);flex-direction:column;flex-shrink:0;transition:transform .25s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;inset:0 auto 0 0;overflow:hidden;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.nav-backdrop{z-index:150;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background-color:#06070999;position:fixed;inset:0}.sidebar-header{border-bottom:1px solid var(--border-color);color:var(--text-primary);letter-spacing:.5px;text-transform:uppercase;padding:16px 16px 16px 20px;padding-top:max(16px, env(safe-area-inset-top));justify-content:space-between;align-items:center;gap:8px;font-size:15px;font-weight:700;display:flex}.sidebar-header-actions{align-items:center;gap:4px;display:flex}.song-list{-webkit-overflow-scrolling:touch;flex-direction:column;flex:1;gap:6px;padding:12px;display:flex;overflow-y:auto}.song-item{min-height:var(--tap-target);cursor:pointer;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;background-color:#0000;border:1px solid #0000;border-radius:8px;justify-content:space-between;align-items:center;gap:8px;padding:12px 14px;transition:background-color .2s,border-color .2s;display:flex}.song-item.selected{background-color:var(--bg-item-selected);border-color:#3b82f64d}.song-item.selected .song-title{color:var(--accent);font-weight:600}[data-theme=dark] .song-item.selected .song-title{color:#60a5fa}.song-info{flex:1;min-width:0}.song-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;margin-bottom:4px;font-size:14px;font-weight:500;overflow:hidden}.song-vocalists{flex-wrap:wrap;gap:4px;display:flex}.vocalist-tag{border:1px solid #0000;border-radius:10px;padding:1px 7px;font-size:10px;font-weight:600;display:inline-block}.vocalist-green{color:#34d399;background-color:#10b98126;border-color:#10b9814d}.vocalist-yellow{color:#fbbf24;background-color:#f59e0b26;border-color:#f59e0b4d}.vocalist-blue{color:#60a5fa;background-color:#3b82f626;border-color:#3b82f64d}.vocalist-gray{color:#d1d5db;background-color:#9ca3af26;border-color:#9ca3af4d}[data-theme=light] .vocalist-green{color:#047857}[data-theme=light] .vocalist-yellow{color:#b45309}[data-theme=light] .vocalist-blue{color:#1d4ed8}[data-theme=light] .vocalist-gray{color:#4b5563}.btn-song-delete{color:var(--text-muted);width:var(--tap-target);height:var(--tap-target);cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:none;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;transition:color .2s,background-color .2s;display:flex}.btn-song-delete:active{color:var(--danger);background-color:#ef44441a}.sidebar-footer{border-top:1px solid var(--border-color);background-color:var(--bg-sidebar);padding:16px}.btn-primary{width:100%;min-height:var(--tap-target);background-color:var(--accent);color:#fff;cursor:pointer;-webkit-tap-highlight-color:transparent;border:none;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:12px;font-size:14px;font-weight:600;transition:background-color .2s;display:flex}.btn-primary:active{background-color:var(--accent-hover)}.main-content{background-color:var(--bg-base);flex-direction:column;flex:1;min-width:0;display:flex;overflow:hidden}.content-header{padding:10px 16px;padding-top:max(10px, env(safe-area-inset-top));border-bottom:1px solid var(--border-color);background-color:var(--bg-sidebar);flex-shrink:0;align-items:center;gap:4px;display:flex}.content-header h2{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;font-size:16px;font-weight:700;overflow:hidden}.user-chip{min-height:var(--tap-target);cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:none;flex-shrink:0;align-items:center;padding:0 4px;display:flex}.user-chip .vocalist-tag{padding:4px 10px;font-size:12px}.user-options{flex-direction:column;gap:8px;margin-bottom:20px;display:flex}.user-option{min-height:var(--tap-target);background-color:var(--bg-base);border:1px solid var(--border-color);cursor:pointer;-webkit-tap-highlight-color:transparent;border-radius:8px;justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;font-family:inherit;display:flex}.user-option.selected{background-color:var(--bg-item-selected);border-color:#3b82f666}.user-option .vocalist-tag{padding:4px 10px;font-size:13px}.user-option-check{color:var(--text-muted);font-size:11px;font-weight:600}.btn-nav-toggle,.btn-nav-close{color:var(--text-secondary);width:var(--tap-target);height:var(--tap-target);cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.btn-nav-toggle:active,.btn-nav-close:active{background-color:var(--bg-surface-hover)}.content-body{flex-direction:column;flex:1;padding:16px;display:flex;overflow:hidden}.empty-state{height:100%;color:var(--text-secondary);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:14px;padding:32px 16px;font-size:14px;display:flex}.empty-state svg{color:var(--text-muted);opacity:.6}.song-view{flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.player-dock{background-color:var(--bg-sidebar);border-bottom:1px solid var(--border-color);flex-shrink:0;padding:10px 12px}.player-section{flex-direction:column;gap:8px;width:100%;max-width:560px;margin:0 auto;display:flex}.player-area{aspect-ratio:16/9;border:1px solid var(--border-color);background-color:#000;border-radius:8px;width:100%;position:relative;overflow:hidden}#ytPlayerContainer{width:100%;height:100%;position:absolute;top:0;left:0}.player-placeholder{color:var(--text-secondary);background-color:var(--bg-player-placeholder);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:10px;padding:16px;font-size:13px;display:flex;position:absolute;inset:0}.player-placeholder svg{color:var(--text-muted)}.player-title{color:var(--accent);align-items:center;gap:8px;min-width:0;font-size:12px;font-weight:600;display:flex}.player-title-text{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.live-badge{color:#fff;letter-spacing:.3px;background-color:#10b981;border-radius:10px;flex-shrink:0;padding:2px 5px;font-size:8px;font-weight:700}.tab-bar{border-bottom:1px solid var(--border-color);background-color:var(--bg-sidebar);flex-shrink:0;gap:0;padding:0 4px;display:flex}.tab{min-width:0;min-height:var(--tap-target);color:var(--text-secondary);white-space:nowrap;cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:none;border-bottom:2px solid #0000;flex:1;justify-content:center;align-items:center;gap:4px;padding:0 2px;font-family:inherit;font-size:13px;font-weight:600;transition:color .2s,border-color .2s;display:flex}.tab.active{color:var(--accent);border-bottom-color:var(--accent)}.tab-count{color:var(--text-muted);background-color:var(--bg-surface);border:1px solid var(--border-color);font-variant-numeric:tabular-nums;border-radius:9px;min-width:17px;padding:0 5px;font-size:11px;font-weight:600}.tab-dot{background-color:var(--st-proposed);border-radius:50%;flex-shrink:0;width:5px;height:5px}.tab-panel{-webkit-overflow-scrolling:touch;overscroll-behavior:contain;flex:1;min-height:0;overflow-y:auto}.lyrics-panel{flex-direction:column;min-height:100%;display:flex}.lyrics-toolbar{z-index:5;background-color:var(--bg-base);border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;gap:8px;padding:8px 12px;display:flex;position:sticky;top:0}.lyrics-toolbar-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:12px;font-weight:700}.lyrics-toolbar-actions{gap:8px;display:flex}.lyrics-font-controls{gap:4px;display:flex}.btn-icon{width:var(--tap-target);background-color:var(--bg-surface);height:36px;color:var(--text-primary);border:1px solid var(--border-color);cursor:pointer;-webkit-tap-highlight-color:transparent;border-radius:6px;justify-content:center;align-items:center;font-family:inherit;transition:background-color .2s;display:flex}.btn-icon:active:not(:disabled){background-color:var(--bg-surface-hover)}.btn-icon:disabled{opacity:.4;cursor:not-allowed}.lyrics-body{white-space:pre-wrap;word-break:keep-all;overflow-wrap:break-word;color:var(--text-primary);flex:1;width:100%;max-width:46rem;margin:0 auto;padding:20px 20px 64px;font-weight:450;line-height:1.9}.lyrics-textarea{background-color:var(--bg-base);width:100%;min-height:320px;color:var(--text-primary);resize:none;border:none;flex:1;padding:16px;font-family:inherit;font-size:15px;line-height:1.8}.lyrics-textarea:focus{outline:none}.lyrics-textarea::placeholder{color:var(--text-muted)}.lyrics-error{color:var(--danger);background-color:#ef44441a;padding:10px 16px;font-size:12px}.lyrics-empty-cta{max-width:220px;margin-top:4px}.reference-section{flex-direction:column;gap:10px;padding:12px;display:flex}.reference-list{flex-direction:column;gap:18px;display:flex}.reference-group{flex-direction:column;gap:8px;display:flex}.group-header{align-items:center;gap:6px;padding:0 2px;display:flex}.group-name{color:var(--text-secondary);letter-spacing:.02em;font-size:12px;font-weight:700}.group-count{color:var(--text-muted);background-color:var(--bg-surface);border:1px solid var(--border-color);text-align:center;border-radius:9px;min-width:18px;padding:0 6px;font-size:11px;font-weight:600}.btn-icon-tiny{width:24px;height:24px;color:var(--text-muted);cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;padding:0;display:flex}.btn-icon-tiny:active{background-color:var(--bg-surface)}.group-add{margin-left:auto}.reference-item{background-color:var(--bg-surface);border:1px solid var(--border-color);cursor:pointer;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;border-radius:8px;align-items:center;gap:10px;padding:10px 12px;transition:background-color .2s,border-color .2s;display:flex}.reference-item.selected{background-color:var(--bg-item-selected);border-color:#3b82f666}.reference-item.dragging{opacity:.4;border-style:dashed}.reference-item.drag-over{border:2px dashed var(--accent)}.drag-handle{color:var(--text-muted);cursor:grab;opacity:.6;align-items:center;display:none}.reference-thumbnail,.reference-thumbnail-img{border-radius:4px;flex-shrink:0;width:64px;height:48px}.reference-thumbnail{background-color:var(--bg-thumbnail);color:var(--text-muted);border:1px solid var(--border-color);justify-content:center;align-items:center;font-size:10px;display:flex}.reference-thumbnail-img{object-fit:cover}.reference-info{flex:1;min-width:0}.reference-title{color:var(--text-primary);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:2px;font-size:13px;font-weight:600;display:-webkit-box;overflow:hidden}.reference-channel{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.reference-likes{flex-wrap:wrap;align-items:center;gap:5px;margin-top:6px;display:flex}.reference-likes .vocalist-tag{padding:1px 5px;font-size:9px}.btn-like{background-color:var(--bg-base);border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;-webkit-tap-highlight-color:transparent;border-radius:12px;align-items:center;gap:4px;padding:3px 8px;font-family:inherit;font-size:11px;font-weight:700;transition:background-color .2s,border-color .2s,color .2s;display:flex}.btn-like.liked{color:var(--accent);background-color:#3b82f626;border-color:#3b82f666}.reference-actions{flex-shrink:0;gap:8px;display:flex}.btn-small{color:#fca5a5;cursor:pointer;-webkit-tap-highlight-color:transparent;background-color:#ef44441a;border:1px solid #ef444433;border-radius:6px;min-height:36px;padding:6px 12px;font-family:inherit;font-size:12px;font-weight:600;transition:background-color .2s}[data-theme=light] .btn-small{color:var(--danger)}.btn-small:active{background-color:#ef444433}.btn-small.btn-neutral{background-color:var(--bg-surface);color:var(--text-secondary);border-color:var(--border-color)}[data-theme=light] .btn-small.btn-neutral{color:var(--text-secondary)}.btn-small.btn-neutral:active{background-color:var(--bg-item-selected)}.btn-secondary{min-height:var(--tap-target);background-color:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border-color);cursor:pointer;-webkit-tap-highlight-color:transparent;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:10px 14px;font-family:inherit;font-size:13px;font-weight:600;transition:background-color .2s,border-color .2s;display:flex}.btn-secondary:active{background-color:var(--bg-surface-hover)}.btn-add-reference{width:100%;color:var(--text-secondary);border-style:dashed}.modal{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:1000;opacity:0;background-color:#060709bf;justify-content:center;align-items:flex-end;transition:opacity .2s;display:none;position:fixed;inset:0}.modal.active{opacity:1;display:flex}.modal-content{background-color:var(--bg-sidebar);border:1px solid var(--border-color);padding:20px 20px calc(20px + env(safe-area-inset-bottom));box-shadow:var(--shadow-lg);border-radius:16px 16px 0 0;width:100%;max-width:440px;transition:transform .2s cubic-bezier(.34,1.56,.64,1);transform:translateY(16px)}.modal.active .modal-content{transform:translateY(0)}.modal-header{color:var(--text-primary);margin-bottom:16px;font-size:16px;font-weight:700}.form-group{margin-bottom:16px}.form-label{color:var(--text-secondary);margin-bottom:6px;font-size:12px;font-weight:600;display:block}.form-input{width:100%;min-height:var(--tap-target);background-color:var(--bg-base);border:1px solid var(--border-color);color:var(--text-primary);border-radius:8px;padding:11px 12px;font-family:inherit;font-size:16px;transition:border-color .2s,box-shadow .2s}.form-input:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px #3b82f626}.form-input::placeholder{color:var(--text-muted)}.form-hint{color:var(--text-muted);margin-top:5px;font-size:11px}.form-error{color:var(--danger);margin-top:4px;font-size:12px;display:none}.form-error.show{display:block}.modal-actions{justify-content:flex-end;gap:8px;margin-top:20px;display:flex}.btn-cancel,.btn-confirm{min-height:var(--tap-target);cursor:pointer;-webkit-tap-highlight-color:transparent;border-radius:8px;padding:10px 18px;font-family:inherit;font-size:13px;font-weight:600;transition:background-color .2s}.btn-cancel{background-color:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border-color)}.btn-cancel:active{background-color:var(--bg-surface-hover)}.btn-confirm{background-color:var(--accent);color:#fff;border:none}.btn-confirm:active{background-color:var(--accent-hover)}.btn-confirm:disabled,.btn-cancel:disabled{opacity:.5;cursor:not-allowed}.btn-danger{background-color:var(--danger)}.btn-danger:active{background-color:var(--danger-hover)}.btn-theme-toggle{border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;transition:background-color .2s;display:flex}.btn-theme-toggle:active{background-color:var(--bg-surface-hover)}.sidebar-nav{padding:8px 8px 0}.nav-item{width:100%;min-height:var(--tap-target);color:var(--text-secondary);cursor:pointer;text-align:left;background-color:#0000;border:1px solid #0000;border-radius:8px;align-items:center;gap:8px;padding:10px 14px;font-family:inherit;font-size:14px;font-weight:600;transition:background-color .2s,color .2s;display:flex}.nav-item:hover{background-color:var(--bg-surface-hover);color:var(--text-primary)}.nav-item.selected{background-color:var(--bg-item-selected);color:var(--accent);border-color:#3b82f64d}.nav-count{color:var(--st-proposed);background-color:var(--st-proposed-bg);border:1px solid var(--st-proposed-line);text-align:center;font-variant-numeric:tabular-nums;border-radius:9px;min-width:18px;margin-left:auto;padding:0 6px;font-size:11px;font-weight:700}.sidebar-nav-label{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);padding:14px 22px 4px;font-size:10px;font-weight:700}.notes-body{white-space:pre-wrap;word-break:keep-all;color:var(--text-primary);flex:1;padding:16px 16px 80px;font-size:15px;line-height:1.8}.comments-panel,.comment-editor,.board{padding:14px 12px 40px}.control-stack{flex-direction:column;gap:10px;margin-bottom:14px;display:flex}.segmented{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:8px;gap:4px;padding:3px;display:flex}.segmented button{min-height:34px;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:6px;flex:1;font-family:inherit;font-size:12px;font-weight:600}.segmented button.active{background-color:var(--bg-item-selected);color:var(--accent)}.filter-row{flex-wrap:wrap;gap:6px;display:flex}.chip{background-color:var(--bg-base);border:1px solid var(--border-color);min-height:32px;color:var(--text-secondary);cursor:pointer;border-radius:12px;align-items:center;gap:5px;padding:0 10px;font-family:inherit;font-size:12px;font-weight:600;display:flex}.chip.active{color:var(--accent);background-color:#3b82f626;border-color:#3b82f666}.chip-dot{border-radius:50%;flex-shrink:0;width:6px;height:6px}.dot-proposed{background-color:var(--st-proposed)}.dot-approved{background-color:var(--st-approved)}.dot-withdrawn{background-color:var(--st-withdrawn)}.chip-n{color:var(--text-muted);font-variant-numeric:tabular-nums;font-size:11px}.chip.active .chip-n{color:var(--accent)}.comment-empty{text-align:center;color:var(--text-muted);padding:44px 20px;font-size:13px;line-height:1.7}.comment-group{flex-direction:column;gap:10px;display:flex}.comment-card{background-color:var(--bg-surface);border:1px solid var(--border-color);border-left:3px solid var(--border-color);border-radius:8px;overflow:hidden}.comment-card.s-proposed{border-left-color:var(--st-proposed-line)}.comment-card.s-approved{border-left-color:var(--st-approved-line)}.comment-card.s-withdrawn{border-left-color:var(--st-withdrawn-line);opacity:.7}.card-top{flex-wrap:wrap;align-items:center;gap:8px;padding:10px 12px 0;display:flex}.status-pill{border:1px solid #0000;border-radius:10px;align-items:center;gap:5px;padding:2px 8px;font-size:10px;font-weight:700;display:inline-flex}.status-dot{background-color:currentColor;border-radius:50%;width:6px;height:6px}.s-proposed .status-pill{background-color:var(--st-proposed-bg);color:var(--st-proposed);border-color:var(--st-proposed-line)}.s-approved .status-pill{background-color:var(--st-approved-bg);color:var(--st-approved);border-color:var(--st-approved-line)}.s-withdrawn .status-pill{background-color:var(--st-withdrawn-bg);color:var(--st-withdrawn);border-color:var(--st-withdrawn-line)}.btn-stamp{color:var(--accent);font-variant-numeric:tabular-nums;cursor:pointer;background-color:#3b82f626;border:1px solid #3b82f64d;border-radius:10px;align-items:center;gap:4px;padding:3px 8px;font-family:inherit;font-size:11px;font-weight:700;display:inline-flex}.btn-stamp:hover{background-color:#3b82f647}.stamp-none{color:var(--text-muted);font-size:11px;font-weight:600}.card-ref{width:100%;color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;font-size:11px;overflow:hidden}.card-body{padding:8px 12px 10px}.author-line{align-items:center;gap:6px;margin-bottom:3px;display:flex}.when{color:var(--text-muted);font-size:10px}.body-text{color:var(--text-primary);white-space:pre-wrap;word-break:keep-all;overflow-wrap:anywhere;font-size:14px;line-height:1.6}.s-withdrawn .body-text{text-decoration:line-through;-webkit-text-decoration-color:var(--st-withdrawn);text-decoration-color:var(--st-withdrawn);color:var(--text-secondary);text-decoration-thickness:1px}.replies{flex-direction:column;gap:8px;padding:0 12px 10px;display:flex}.reply{gap:8px;display:flex}.reply-rail{background-color:var(--border-color);border-radius:1px;flex-shrink:0;width:2px}.reply-main{flex:1;min-width:0}.reply-actions{gap:6px;margin-top:6px;display:flex}.card-actions{flex-wrap:wrap;align-items:center;gap:6px;padding:0 12px 10px;display:flex}.btn-act{background-color:var(--bg-base);border:1px solid var(--border-color);min-height:32px;color:var(--text-secondary);cursor:pointer;border-radius:6px;padding:0 10px;font-family:inherit;font-size:12px;font-weight:600}.btn-act:hover{background-color:var(--bg-surface-hover);color:var(--text-primary)}.btn-act.set-proposed.on{background-color:var(--st-proposed-bg);color:var(--st-proposed);border-color:var(--st-proposed-line)}.btn-act.set-approved.on{background-color:var(--st-approved-bg);color:var(--st-approved);border-color:var(--st-approved-line)}.btn-act.set-withdrawn.on{background-color:var(--st-withdrawn-bg);color:var(--st-withdrawn);border-color:var(--st-withdrawn-line)}.btn-act.del:hover{color:var(--danger);background-color:#ef44441a;border-color:#ef444466}.act-gap{flex:1}.comment-editor{flex-direction:column;gap:12px;display:flex}.editor-context{background-color:var(--bg-item-selected);color:var(--text-secondary);border:1px solid #3b82f64d;border-radius:8px;flex-wrap:wrap;align-items:center;gap:8px;padding:10px 12px;font-size:12px;display:flex}.editor-context strong{color:var(--text-primary)}.editor-context>span{flex:1;min-width:0}.editor-context-note{color:var(--text-muted);margin-left:6px}.range-box{border:1px solid var(--border-color);background-color:var(--bg-surface);border-radius:8px;overflow:hidden}.range-head{border-bottom:1px solid var(--border-color);text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);justify-content:space-between;align-items:center;gap:8px;padding:9px 12px;font-size:11px;font-weight:700;display:flex}.range-summary{color:var(--accent);text-transform:none;letter-spacing:0;font-variant-numeric:tabular-nums;font-size:12px;font-weight:700}.range-summary.none{color:var(--text-muted);font-weight:600}.range-row{align-items:center;gap:8px;padding:9px 12px;display:flex}.range-row+.range-row{border-top:1px dashed var(--border-color)}.range-key{width:32px;color:var(--text-secondary);flex-shrink:0;font-size:12px;font-weight:700}.range-val{color:var(--text-primary);font-variant-numeric:tabular-nums;flex:1;font-size:17px;font-weight:700}.range-val.unset{color:var(--text-muted);font-size:13px;font-weight:600}.btn-now{min-height:36px;color:var(--accent);white-space:nowrap;cursor:pointer;font-variant-numeric:tabular-nums;background-color:#3b82f626;border:1px solid #3b82f659;border-radius:8px;padding:0 12px;font-family:inherit;font-size:12px;font-weight:700}.btn-now:hover:not(:disabled){background-color:#3b82f64d}.btn-now:disabled,.btn-clear:disabled{opacity:.35;cursor:default}.btn-clear{background-color:var(--bg-base);border:1px solid var(--border-color);min-width:36px;min-height:36px;color:var(--text-muted);cursor:pointer;border-radius:8px;flex-shrink:0;font-family:inherit;font-size:13px;font-weight:700}.btn-clear:hover:not(:disabled){color:var(--text-primary)}.range-hint{border-top:1px dashed var(--border-color);color:var(--text-muted);padding:8px 12px 10px;font-size:11px;line-height:1.6}.range-hint.warn{color:var(--st-proposed)}.comment-textarea{resize:vertical;min-height:96px;line-height:1.6}.editor-foot{align-items:center;gap:8px;display:flex}.editor-author{color:var(--text-muted);align-items:center;gap:6px;font-size:12px;display:flex}.editor-submit{width:auto;margin-left:auto;padding:12px 18px}.board-song-head{flex-wrap:wrap;align-items:center;gap:8px;padding:18px 2px 8px;display:flex}.board-song-n{color:var(--text-muted);font-variant-numeric:tabular-nums;font-size:11px;font-weight:700}.board-song-head h3{font-size:15px;font-weight:600}.board-song-go{color:var(--accent);cursor:pointer;background:0 0;border:none;margin-left:auto;padding:4px 2px;font-family:inherit;font-size:11px;font-weight:600}@media (width>=768px){.sidebar{width:300px;transition:none;position:static;transform:none}.nav-backdrop,.btn-nav-toggle,.btn-nav-close{display:none}.sidebar-header,.content-header{padding:20px 24px}.content-header h2{font-size:18px}.content-body{padding:24px}.player-dock{padding:16px}.tab-bar{gap:8px;padding:0 24px}.tab{flex:none;gap:6px;padding:0 20px;font-size:14px}.reference-section{padding:20px 24px}.comments-panel,.comment-editor,.board{padding:20px 24px 60px}.notes-body{padding:24px 24px 80px}.lyrics-toolbar{padding:10px 24px}.lyrics-body{padding:24px 24px 80px}.lyrics-textarea{padding:20px 24px}.drag-handle{display:flex}.reference-item{cursor:grab;padding:10px 14px}.reference-item:active{cursor:grabbing}.btn-song-delete{opacity:0;width:28px;height:28px;transition:opacity .2s,color .2s,background-color .2s}.song-item:hover .btn-song-delete{opacity:1}.modal{align-items:center}.modal-content{border-radius:12px;width:90%;padding:24px}.form-input{font-size:13px}.song-item:hover{background-color:var(--bg-surface);border-color:var(--border-color)}.reference-item:hover{background-color:var(--bg-surface-hover);border-color:#3b82f633}.reference-item:hover .drag-handle{opacity:1}.btn-primary:hover{background-color:var(--accent-hover)}.btn-secondary:hover,.btn-icon:hover:not(:disabled),.btn-cancel:hover,.btn-theme-toggle:hover{background-color:var(--bg-surface-hover)}.btn-confirm:hover:not(:disabled){background-color:var(--accent-hover)}.btn-small:hover{background-color:#ef444433;border-color:#ef444466}.btn-song-delete:hover{color:var(--danger);background-color:#ef44441a}.btn-danger:hover{background-color:var(--danger-hover)}}.song-list::-webkit-scrollbar{width:5px}.tab-panel::-webkit-scrollbar{width:5px}.song-list::-webkit-scrollbar-track{background:0 0}.tab-panel::-webkit-scrollbar-track{background:0 0}.song-list::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:3px}.tab-panel::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:3px}.song-list::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover)}.tab-panel::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover)}@media (prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation-duration:.01ms!important}}