:root{--bg: #14181e;--bg-raised: #1b212a;--line: #2a323e;--text: #e6eaf0;--muted: #8e9aab;--same: #7f93ad;--changed: #e0a43c;--added: #5cb37a;--removed: #d1636a;--unknown: #5f6b7d;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:13px/1.45 system-ui,-apple-system,Segoe UI,sans-serif}.app{display:flex;flex-direction:column;height:100vh}.transport{display:flex;align-items:center;gap:18px;padding:8px 12px;background:var(--bg-raised);border-bottom:1px solid var(--line)}.transport-left,.transport-middle,.transport-right{display:flex;align-items:center;gap:6px}.transport-middle{margin:0 auto}button{background:#232b36;color:var(--text);border:1px solid var(--line);border-radius:5px;padding:4px 9px;font:inherit;cursor:pointer}button:hover:not(:disabled){border-color:#3b4757}button:disabled{opacity:.4;cursor:default}button.primary{background:#2f6f4f;border-color:#37805c;min-width:38px}button.is-on{background:#34506f;border-color:#436a88}.hear{display:flex;gap:2px}.label,.of,.sep,.side-meta{color:var(--muted)}.sep{margin:0 6px}.position{font-variant-numeric:tabular-nums;margin-left:6px}.warn{color:var(--changed);border:1px solid rgba(224,164,60,.4);border-radius:4px;padding:1px 5px;font-size:11px}.side-headers{display:flex;align-items:stretch;border-bottom:1px solid var(--line);background:#171d25}.side-header{flex:1;display:flex;align-items:baseline;gap:8px;padding:7px 12px;min-width:0}.side-header.side-b{justify-content:flex-end}.side-header.is-audible .side-label{color:var(--text)}.side-label{font-weight:600;color:var(--muted)}.ai-badge{color:var(--changed);font-size:11px;border:1px solid rgba(224,164,60,.45);border-radius:4px;padding:0 4px}.side-headers-gutter{flex:0 0 auto;display:flex;align-items:center;justify-content:center;text-align:center;font-size:11px;color:var(--muted);border-left:1px solid var(--line);border-right:1px solid var(--line);padding:0 2px;overflow:hidden}.work{display:flex;flex:1;min-height:0}.twin-view{position:relative;flex:1;min-width:0}.twin-canvas{position:absolute;inset:0}.twin-scroll{position:absolute;inset:0;overflow-y:auto;overflow-x:hidden}.twin-spacer{position:relative}.lyrics-layer{position:absolute;inset:0;overflow:hidden;pointer-events:none}.cue-bar{position:absolute;box-sizing:border-box}.cue-bar-a{border-left:2px solid rgba(233,238,245,.35)}.cue-bar-b{border-right:2px solid rgba(233,238,245,.35)}.cue-line{position:absolute;box-sizing:border-box}.cue-line-a{padding-left:58px}.cue-line-b{padding-right:58px;text-align:right}.cue-text{display:inline-block;max-width:100%;margin-top:-1px;padding:1px 6px;border-radius:4px;background:#0f1319c7;color:var(--text);font-size:12px;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cue-word-changed{color:#f2c26b;text-decoration:underline;text-decoration-color:#f2c26b99;text-underline-offset:2px}.lyrics-button{padding:1px 7px;font-size:11px;color:var(--muted)}.lyrics-button.has-lyrics{color:var(--text)}.seed-button{padding:2px 8px;font-size:11px}.band-label-layer{position:absolute;inset:0;overflow:hidden;pointer-events:none}.band-label{position:absolute;font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}.band-time-a{left:8px;display:flex;gap:10px;align-items:baseline}.band-time-b{right:8px}.band-gutter-label{left:calc(50% - 39px);display:flex;flex-direction:column;align-items:center;gap:1px;line-height:1.2}.band-kind{text-transform:uppercase;letter-spacing:.04em;font-size:9px}.kind-same .band-kind{color:var(--same)}.kind-changed .band-kind{color:var(--changed)}.kind-added .band-kind{color:var(--added)}.kind-removed .band-kind{color:var(--removed)}.kind-unknown .band-kind{color:var(--unknown)}.band-name{color:var(--text);font-size:10px;text-align:center}.band-scale{font-size:9px;opacity:.8}.band-note{max-width:30vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px;font-style:italic;color:var(--text);opacity:.75}.band-list{flex:0 0 246px;border-left:1px solid var(--line);background:#171d25;overflow-y:auto;padding-bottom:12px}.band-list-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 12px;color:var(--muted);border-bottom:1px solid var(--line)}.band-list ol{list-style:none;margin:0;padding:0}.band-row{display:flex;align-items:center;gap:7px;width:100%;background:none;border:0;border-bottom:1px solid rgba(42,50,62,.6);border-radius:0;padding:5px 10px;text-align:left;color:var(--muted)}.band-row:hover{background:#1e2631}.band-row.is-selected{background:#232d3a;color:var(--text)}.band-row .dot{width:7px;height:7px;border-radius:50%;flex:0 0 auto;background:var(--unknown)}.band-row.kind-same .dot{background:var(--same)}.band-row.kind-changed .dot{background:var(--changed)}.band-row.kind-added .dot{background:var(--added)}.band-row.kind-removed .dot{background:var(--removed)}.row-kind{width:58px;font-size:10px;text-transform:uppercase;letter-spacing:.03em}.row-label{flex:1;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.row-times{font-variant-numeric:tabular-nums;font-size:11px}.gap-actions{display:flex;flex-wrap:wrap;align-items:center;gap:5px;padding:2px 10px 4px 24px;border-bottom:1px solid rgba(42,50,62,.6);color:var(--muted);font-size:10px}.gap-actions button{padding:0 7px;font-size:10px}.kind-button.kind-same{background:#7f93ad29;border-color:#7f93ad8c}.kind-button.kind-changed{background:#e0a43c29;border-color:#e0a43c8c}.join-seam{display:block;width:100%;margin:0;padding:2px 10px 3px 24px;border:0;border-bottom:1px solid rgba(42,50,62,.6);border-radius:0;background:#ffffff05;color:var(--muted);font-size:10px;text-align:left}.join-seam:hover{color:var(--text);background:#ffffff0f}.problems{margin:12px 10px 0;border:1px solid rgba(224,164,60,.35);border-radius:5px;padding:7px 9px;font-size:11px}.problems-head{color:var(--changed);margin-bottom:4px}.problems ul{margin:0;padding-left:16px}.placeholder{flex:1;display:grid;place-items:center;color:var(--muted)}.placeholder .error{color:var(--removed);max-width:60ch;text-align:center}dialog{background:var(--bg-raised);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:16px 18px;min-width:340px;max-width:520px}dialog::backdrop{background:#080a0e99}dialog h2{margin:0 0 10px;font-size:15px}dialog h3{margin:14px 0 6px;font-size:12px;color:var(--muted);font-weight:600}dialog footer{display:flex;justify-content:flex-end;margin-top:14px}.unsaved{margin:0 0 10px;padding:6px 9px;border:1px solid rgba(224,164,60,.35);border-radius:5px;color:var(--muted);font-size:12px}.unsaved.is-warned{color:var(--changed);border-color:#e0a43cb3}.local-copy{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:8px 10px 0;padding:5px 8px;border:1px solid rgba(224,164,60,.35);border-radius:5px;color:var(--muted);font-size:11px}.local-copy button{white-space:nowrap}.twin-index .kept{color:var(--muted)}.set-stepper{display:flex;align-items:center;gap:2px}.set-stepper .place{padding:0 6px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}.twin-index{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}.twin-index button{width:100%;text-align:left}.file-rows{display:flex;flex-direction:column;gap:6px;margin-bottom:10px}.file-rows label{display:flex;align-items:center;gap:8px}.file-rows span{width:18px;color:var(--muted)}.hint{color:var(--muted);font-size:11px}.pending-bar{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding:6px 12px;background:#1f2833;border-bottom:1px solid var(--line)}.pending-b{justify-content:flex-end}.pending-then,.pending-or{color:var(--muted)}.kind-button.kind-added{background:#5cb37a2e;border-color:#5cb37a99}.kind-button.kind-removed{background:#d1636a2e;border-color:#d1636a99}.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%);background:#232d3a;border:1px solid #3b4757;border-radius:6px;padding:7px 14px;box-shadow:0 6px 20px #00000073;max-width:70ch}.text-dialog{width:min(460px,90vw)}.text-dialog input{width:100%;background:#141a21;color:var(--text);border:1px solid #3b4757;border-radius:5px;padding:7px 9px;font:inherit;font-size:14px}.text-dialog input:focus{outline:none;border-color:#5a7a9c}.text-dialog footer{gap:6px}.kind-tag{text-transform:uppercase;letter-spacing:.04em;font-size:10px;margin-right:4px}.kind-tag.kind-same{color:var(--same)}.kind-tag.kind-changed{color:var(--changed)}.kind-tag.kind-added{color:var(--added)}.kind-tag.kind-removed{color:var(--removed)}.help-box table{border-collapse:collapse}.help-box th{vertical-align:baseline}.help-box th{text-align:left;padding:2px 14px 2px 0;font-weight:600;white-space:nowrap}.help-box td{color:var(--muted);padding:2px 0}