:root{--bg: #0f0f14;--surface: #1e1e28;--border: #2d2d3d;--text: #e8e8f0;--text-muted: #8888a0;--accent: #9d96f5;--accent-dim: rgba(157, 150, 245, .15);--accent-hover: #b0abff;--link-color: #aeb5ff}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial;background:var(--bg);color:var(--text);line-height:1.5}a{color:var(--link-color);text-decoration:none;transition:color .2s}a:hover{color:var(--accent-hover);text-decoration:underline}.page{padding:24px;max-width:1100px;margin:0 auto}.page-header{margin-bottom:18px}.page-header h1{margin:0;font-size:28px}.subtitle{color:var(--text-muted);margin-top:6px}.song-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.song-card{background:var(--surface);padding:14px;border:1px solid var(--border);border-radius:8px;cursor:pointer;transition:transform .16s ease,box-shadow .16s 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a{color:var(--link-color);font-weight:500;display:block;overflow:hidden;text-overflow:ellipsis;font-variant-numeric:tabular-nums}.version-views-cell{display:flex;justify-content:space-between;align-items:center;width:100%;font-variant-numeric:tabular-nums}.version-item-pct{text-align:right;color:var(--text-muted);font-size:.9em}.version-chart-container{padding:16px;background:var(--bg);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.versions-table{width:100%;border-collapse:collapse;margin-top:12px;table-layout:fixed}@media (max-width: 600px){.version-group-column-labels{display:none}.version-item{grid-template-columns:1fr auto!important;gap:4px 12px}.version-item-label{grid-column:1 / -1;font-weight:600}.version-item-title{grid-column:1 / 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#6c63ff1f;border-color:#6c63ff40}.import-confirm{max-width:720px;margin-top:12px}.pv-checklist{margin-top:6px}.import-success{margin-top:12px;padding:12px}.error-message{color:#ff6b6b;margin-top:8px}.page-add-version .add-version-song-name{color:var(--text-muted);margin-bottom:16px;font-size:14px}.page-add-version select{width:100%;padding:8px;margin-top:6px;margin-bottom:8px;border-radius:6px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:14px}.add-version-confirm{background:var(--surface);padding:12px;border:1px solid var(--border);border-radius:8px;margin-top:12px}.add-version-confirm>div{margin-bottom:8px}.page-bulk-import{padding-top:12px}.page-bulk-import h1{margin:0 0 4px;font-size:26px}.bulk-subtitle{color:var(--text-muted);font-size:14px;margin-bottom:16px}.bulk-target-info{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:10px 14px;font-size:13px;margin-bottom:16px;color:var(--text-muted)}.bulk-target-info 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var(--border);background:var(--surface);color:var(--text);font-size:12px}.bulk-youtube-section{margin-top:16px}.bulk-youtube-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.bulk-youtube-query{color:var(--text-muted);font-size:12px}.bulk-no-results{padding:24px;text-align:center;color:var(--text-muted)}.btn-secondary{background:transparent;border:1px solid var(--border);color:var(--text)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}.bulk-input-form{max-width:640px;margin-top:8px}.bulk-input-form label{display:block;margin-bottom:4px;font-size:14px}.bulk-input-form input[type=text]{width:100%;padding:8px;margin-bottom:8px;border-radius:6px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:14px}.bulk-success{margin-top:16px;padding:16px;background:var(--surface);border:1px solid 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