:root{color-scheme:light;font-family:Segoe UI,Google Sans Text,IBM Plex Sans,sans-serif;--brand-accent: #1a73e8;--brand-accent-strong: #1967d2;--brand-accent-soft: #e8f0fe;--brand-accent-border: #c7dcff;--brand-accent-contrast: #ffffff;--danger-accent: #b3261e;--danger-soft: #f9dedc;--danger-border: #f2b8b5;--app-bg: #f8fafd;--app-text: #202124;--header-bg: #ffffff;--surface-bg: #ffffff;--surface-bg-strong: #ffffff;--surface-border: #dadce0;--surface-shadow: 0 2px 8px rgba(60, 64, 67, .08);--surface-shadow-soft: 0 1px 3px rgba(60, 64, 67, .08);--muted-text: #5f6368;--subtle-text: #747775;--detail-bg: #f1f3f4;--detail-value: #202124;--hairline: #e8eaed;--control-bg: transparent;--control-bg-hover: var(--brand-accent-soft);--control-border: #dadce0;--focus-ring: 0 0 0 3px color-mix(in srgb, var(--brand-accent) 24%, transparent);--scrollbar-size: 11px;--scrollbar-track: rgba(28, 39, 51, .06);--scrollbar-thumb: rgba(26, 115, 232, .34);--scrollbar-thumb-hover: rgba(25, 103, 210, .5)}:root[data-theme=dark]{color-scheme:dark;--brand-accent: #7baaf7;--brand-accent-strong: #9bbcf6;--brand-accent-soft: rgba(123, 170, 247, .16);--brand-accent-border: rgba(155, 188, 246, .38);--brand-accent-contrast: #111318;--danger-accent: #f2b8b5;--danger-soft: rgba(242, 184, 181, .14);--danger-border: rgba(242, 184, 181, .3);--app-bg: #111318;--app-text: #e3e3e3;--header-bg: #1f1f1f;--surface-bg: #1f1f1f;--surface-bg-strong: #202124;--surface-border: #3c4043;--surface-shadow: 0 2px 8px rgba(0, 0, 0, .24);--surface-shadow-soft: 0 1px 3px rgba(0, 0, 0, .22);--muted-text: #c4c7c5;--subtle-text: #9aa0a6;--detail-bg: #2b2c30;--detail-value: #e3e3e3;--hairline: rgba(196, 199, 197, .14);--control-bg: transparent;--control-bg-hover: var(--brand-accent-soft);--control-border: #3c4043;--scrollbar-track: rgba(196, 199, 197, .08);--scrollbar-thumb: rgba(123, 170, 247, .34);--scrollbar-thumb-hover: rgba(155, 188, 246, .5)}html,body,#root{width:100%;height:100%;min-width:320px;overflow:hidden}html{scrollbar-width:thin;scrollbar-color:var(--scrollbar-thumb) var(--scrollbar-track)}*{box-sizing:border-box;scrollbar-width:thin;scrollbar-color:var(--scrollbar-thumb) var(--scrollbar-track)}*::-webkit-scrollbar{width:var(--scrollbar-size);height:var(--scrollbar-size)}*::-webkit-scrollbar-track{background:var(--scrollbar-track);border-radius:999px}*::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border:2px solid transparent;border-radius:999px;background-clip:padding-box}*::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover);background-clip:padding-box}body{margin:0;background:var(--app-bg);color:var(--app-text);transition:background .24s ease,color .24s ease}button,input,textarea{font:inherit}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:none;box-shadow:var(--focus-ring)}.lyric-app{background:var(--app-bg);color:var(--app-text)}.tool-shell-header{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex:0 0 auto;border-bottom:1px solid var(--surface-border);background:var(--header-bg);box-shadow:none;padding:0 clamp(16px,3vw,30px);z-index:10}.tool-brand,.tool-header-actions,.tool-header-group,.export-button-group,.tool-icon-button,.merged-output-button{display:flex;align-items:center}.tool-brand{min-width:0;gap:12px}.tool-brand-mark{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;border:1px solid var(--brand-accent-border);border-radius:10px;background:var(--brand-accent-soft);color:var(--brand-accent-strong);box-shadow:none}.tool-brand-title{min-width:0;margin:0;color:var(--app-text);font-size:clamp(1.05rem,2vw,1.35rem);font-weight:760;letter-spacing:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tool-brand-badge{color:var(--subtle-text);font-family:IBM Plex Mono,JetBrains Mono,monospace;font-size:.68rem;font-weight:500}.tool-header-actions{flex:0 0 auto;gap:12px}.tool-header-group{gap:6px;padding-right:12px;border-right:1px solid var(--hairline)}.tool-icon-button,.export-format-button{min-height:38px;border:1px solid var(--control-border);border-radius:10px;background:var(--control-bg);color:var(--muted-text);transition:background .16s ease,border-color .16s ease,color .16s ease}.tool-icon-button{width:38px;justify-content:center}.tool-icon-button.compact{width:34px;min-height:34px}.tool-icon-button:hover,.export-format-button:hover{border-color:var(--brand-accent-border);background:var(--control-bg-hover);color:var(--brand-accent-strong)}.export-button-group{gap:4px;border:1px solid var(--surface-border);border-radius:12px;background:var(--detail-bg);padding:4px}.export-format-button{min-height:30px;padding:0 10px;border-radius:8px;background:transparent;font-family:IBM Plex Mono,JetBrains Mono,monospace;font-size:.72rem;font-weight:700}.tool-workspace{min-height:0;flex:1;display:flex;overflow:hidden}.tool-sidebar{height:100%;min-width:250px;max-width:min(600px,72vw);display:flex;flex-direction:column;flex-shrink:0;border-right:1px solid var(--surface-border);background:var(--surface-bg)}.tool-sidebar-section{flex:0 0 auto;border-bottom:1px solid var(--hairline);padding:16px}.tool-eyebrow{margin:0 0 10px;color:var(--subtle-text);font-size:.72rem;font-weight:700;letter-spacing:0;text-transform:none}.tool-empty-state{padding:32px 10px;color:var(--subtle-text);font-size:.86rem;text-align:center}.lyric-file-card{min-width:0;display:flex;align-items:center;border:1px solid var(--surface-border);border-radius:12px;background:var(--control-bg);padding:12px;cursor:pointer;-webkit-user-select:none;user-select:none;transition:background .16s ease,border-color .16s ease}.lyric-file-card:hover{border-color:var(--brand-accent-border);background:var(--surface-bg-strong)}.lyric-file-card.is-active{border-color:var(--brand-accent-border);background:var(--brand-accent-soft);box-shadow:none}.lyric-file-card.is-dragging{opacity:.55;border-style:dashed;border-color:var(--brand-accent)}.lyric-drag-handle{flex:0 0 auto;margin-right:8px;color:var(--subtle-text);cursor:grab}.lyric-drag-handle:active{cursor:grabbing}.lyric-file-dot{width:10px;height:10px;position:relative;flex:0 0 auto;margin-right:12px;border-radius:999px;cursor:pointer}.lyric-file-dot:hover{box-shadow:0 0 0 4px var(--brand-accent-soft)}.lyric-file-dot-off{position:absolute;top:-1px;right:-1px;bottom:-1px;left:-1px;border:1px solid var(--surface-border);border-radius:999px;background:var(--surface-bg-strong)}.lyric-file-name{min-width:0;margin:0;overflow:hidden;color:var(--app-text);font-size:.86rem;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.lyric-file-type{flex:0 0 auto;margin-left:8px;border:1px solid var(--surface-border);border-radius:999px;background:var(--detail-bg);color:var(--muted-text);padding:1px 7px;font-size:.65rem;font-weight:750}.lyric-file-meta{margin-top:2px;color:var(--subtle-text);font-size:.74rem}.lyric-file-actions{display:flex;align-items:center;gap:4px;opacity:0;transition:opacity .18s ease}.lyric-file-card:hover .lyric-file-actions,.lyric-file-actions:focus-within{opacity:1}.tool-mini-action{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:999px;background:transparent;color:var(--subtle-text);transition:background .18s ease,color .18s ease}.tool-mini-action:hover{background:var(--brand-accent-soft);color:var(--brand-accent-strong)}.tool-mini-action.danger:hover{background:var(--danger-soft);color:var(--danger-accent)}.merge-control-panel{flex:0 0 auto;z-index:1;border-top:1px solid var(--hairline);background:var(--surface-bg-strong);box-shadow:none;padding:16px}.tool-muted-icon{color:var(--subtle-text)}.tool-range-label{margin-bottom:8px;display:flex;justify-content:space-between;color:var(--muted-text);font-size:.76rem}.tool-range{width:100%;height:6px;border-radius:999px;accent-color:var(--brand-accent);background:var(--detail-bg);cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none}.tool-resizer{width:5px;flex:0 0 auto;cursor:col-resize;background:var(--hairline);transition:background .18s ease;z-index:2}.tool-resizer:hover,.tool-resizer.is-active{background:var(--brand-accent)}.tool-editor-pane{min-width:0;min-height:0;flex:1;display:flex;flex-direction:column;overflow:hidden;padding:24px}.tool-editor-toolbar{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.merged-output-button{min-height:40px;gap:8px;border:1px solid var(--control-border);border-radius:10px;background:var(--control-bg);color:var(--muted-text);padding:0 16px;font-size:.86rem;font-weight:750;transition:background .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease}.merged-output-button:hover,.merged-output-button.is-active{border-color:var(--brand-accent-border);background:var(--brand-accent-soft);color:var(--brand-accent-strong);box-shadow:none}.source-indicator{min-width:0;display:flex;align-items:center;gap:8px;color:var(--muted-text);font-size:.86rem}.source-indicator span:last-child{min-width:0;overflow:hidden;color:var(--app-text);font-weight:700;text-overflow:ellipsis;white-space:nowrap}.source-indicator-dot{width:5px;height:5px;flex:0 0 auto;border-radius:999px;background:var(--brand-accent)}.tool-line-count{color:var(--subtle-text);font-family:IBM Plex Mono,JetBrains Mono,monospace;font-size:.76rem}.help-icon-box{width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 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var(--brand-accent-border);border-radius:12px;background:var(--brand-accent-soft);color:var(--brand-accent);box-shadow:none}.lyric-uploader-title{margin:0;color:var(--app-text);font-weight:750}.lyric-uploader-copy{margin-top:4px;color:var(--muted-text);font-size:.78rem}.lyric-editor{height:100%;display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--surface-border);border-radius:16px;background:var(--surface-bg);box-shadow:var(--surface-shadow)}.lyric-editor-header{flex:0 0 auto;display:flex;align-items:center;border-bottom:1px solid var(--hairline);background:var(--surface-bg-strong);color:var(--muted-text);padding:12px 16px;font-family:IBM Plex Mono,JetBrains Mono,monospace;font-size:.74rem;font-weight:700;-webkit-user-select:none;user-select:none}.lyric-editor-body{min-height:0;flex:1;overflow-y:auto}.lyric-editor-empty{height:100%;min-height:260px;display:flex;align-items:center;justify-content:center;color:var(--subtle-text)}.lyric-editor-row{display:flex;border-bottom:1px solid var(--hairline);transition:background .14s ease}.lyric-editor-row:hover{background:var(--detail-bg)}.lyric-editor-row.is-deleted{background:var(--danger-soft)}.lyric-index-cell,.lyric-time-cell,.lyric-content-cell,.lyric-action-cell{padding-top:12px;padding-bottom:12px}.lyric-index-cell{width:40px;flex:0 0 auto;display:flex;justify-content:center;color:var(--subtle-text);font-family:IBM Plex Mono,JetBrains Mono,monospace;font-size:.74rem}.lyric-time-cell{width:96px;flex:0 0 auto;display:flex;align-items:flex-start;justify-content:center;padding-left:8px;padding-right:8px}.lyric-time-text{color:var(--brand-accent-strong);font-family:IBM Plex Mono,JetBrains Mono,monospace;font-size:.75rem}.lyric-time-text.secondary{color:var(--subtle-text)}.lyric-time-input{width:100%;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--brand-accent-strong);text-align:center;font-family:IBM Plex Mono,JetBrains Mono,monospace;font-size:.75rem;transition:background .14s ease,border-color .14s ease}.lyric-time-input.secondary{color:var(--muted-text)}.lyric-time-input:focus{border-color:var(--brand-accent-border);background:var(--surface-bg-strong)}.lyric-content-cell{min-width:0;flex:1;padding-left:16px;padding-right:16px;color:var(--app-text);font-size:.88rem;line-height:1.65}.lyric-line-text{white-space:pre-wrap}.lyric-line-text.is-deleted,.lyric-time-text.is-deleted,.lyric-time-input.is-deleted,.lyric-content-input.is-deleted{color:var(--subtle-text);text-decoration:line-through}.lyric-content-input{width:100%;resize:none;border:0;background:transparent;color:var(--app-text);line-height:1.65}.lyric-action-cell{width:44px;flex:0 0 auto;display:flex;align-items:flex-start;justify-content:center;border-left:1px solid var(--hairline)}.lyric-row-action{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:999px;background:transparent;color:var(--subtle-text);transition:background .14s ease,color .14s ease}.lyric-row-action:hover{background:var(--danger-soft);color:var(--danger-accent)}.lyric-row-action.restore:hover{background:var(--brand-accent-soft);color:var(--brand-accent-strong)}.tool-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;align-items:center;justify-content:center;background:#090f1685;padding:16px}.tool-modal{width:min(100%,960px);max-height:85vh;display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--surface-border);border-radius:16px;background:var(--surface-bg-strong);box-shadow:var(--surface-shadow)}.tool-modal-header,.tool-modal-footer{flex:0 0 auto;padding:18px 22px;border-color:var(--hairline)}.tool-modal-header{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom-width:1px;border-bottom-style:solid}.tool-modal-title{min-width:0;margin:0;overflow:hidden;color:var(--app-text);font-family:IBM Plex Mono,JetBrains Mono,monospace;font-size:1rem;font-weight:750;text-overflow:ellipsis;white-space:nowrap}.tool-modal-body{min-height:0;flex:1;overflow:auto;background:var(--detail-bg);padding:22px}.tool-modal-custom{color:var(--muted-text);line-height:1.7}.tool-modal-pre{color:var(--muted-text);white-space:pre-wrap;word-break:break-word;font-family:IBM Plex Mono,JetBrains Mono,monospace;font-size:.82rem;line-height:1.7}.tool-modal-footer{display:flex;justify-content:flex-end;border-top-width:1px;border-top-style:solid}.tool-secondary-button{min-height:38px;border:1px solid var(--control-border);border-radius:12px;background:var(--control-bg);color:var(--muted-text);padding:0 16px;font-size:.86rem;font-weight:750;transition:background .18s ease,border-color .18s ease,color .18s ease}.tool-secondary-button:hover{border-color:var(--brand-accent-border);background:var(--control-bg-hover);color:var(--brand-accent-strong)}.tool-button{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:12px;font-weight:750;transition:background .18s ease,border-color .18s ease,color .18s ease,opacity .18s ease}.tool-button:disabled{cursor:not-allowed;opacity:.55}.tool-button-primary{background:var(--brand-accent);color:var(--brand-accent-contrast)}.tool-button-primary:hover{background:var(--brand-accent-strong)}.tool-button-secondary{border-color:var(--control-border);background:var(--control-bg);color:var(--muted-text)}.tool-button-danger{border-color:var(--danger-border);background:var(--danger-soft);color:var(--danger-accent)}.tool-button-ghost{background:transparent;color:var(--muted-text)}.tool-button-secondary:hover,.tool-button-ghost:hover{border-color:var(--brand-accent-border);background:var(--control-bg-hover);color:var(--brand-accent-strong)}.tool-button-danger:hover{background:color-mix(in srgb,var(--danger-soft) 74%,var(--danger-accent))}@media(max-width:760px){.tool-shell-header{min-height:66px;align-items:stretch;flex-direction:column;gap:10px;padding-top:12px;padding-bottom:12px}.tool-brand,.tool-header-actions{width:100%;justify-content:space-between}.tool-header-actions{gap:8px}.tool-header-group{padding-right:8px}.export-button-group{overflow-x:auto}.tool-workspace{flex-direction:column;overflow-y:auto}.tool-sidebar{width:100%!important;max-width:none;height:auto;min-height:360px;border-right:0;border-bottom:1px solid var(--surface-border)}.tool-resizer{display:none}.tool-editor-pane{min-height:520px;padding:16px}.tool-editor-toolbar{align-items:flex-start;flex-direction:column}}