:root{color-scheme:light;font-family:Segoe UI,Yu Gothic UI,sans-serif;line-height:1.5;font-weight:400;background:radial-gradient(circle at top left,#f8d5a3 0,transparent 30%),radial-gradient(circle at top right,#e7f0c9 0,transparent 28%),linear-gradient(180deg,#fff9ef,#f2ede4);color:#1d1d1d;--panel: rgba(255, 255, 255, .76);--line: rgba(33, 33, 33, .1);--accent: #c5582f;--accent-strong: #922f14;--error: #8f1d1d}*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input,textarea,select{font:inherit}button,select,input{min-height:44px}textarea{width:100%;resize:vertical;min-height:132px}.app-shell{max-width:1120px;margin:0 auto;padding:10px}.status-card,.panel{background:var(--panel);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--line);border-radius:20px;box-shadow:0 10px 30px #0000000f}.status-card{min-width:88px;text-align:center;padding:10px 12px}.status-card strong{display:block;font-size:1.85rem;line-height:1;margin:4px 0;color:var(--accent-strong)}.layout{display:grid;gap:10px}.panel{padding:12px}.stack{display:grid;gap:6px;margin-bottom:10px}.stack-inline,.stack-tight{margin-bottom:0}.editor-header{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:start;margin-bottom:10px}.preview-section{display:grid;gap:8px}.compact-notice{margin-top:0}.transport-meta{display:grid;grid-template-columns:minmax(0,132px);margin-bottom:10px}.bpm-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:center}.controls-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin-top:10px}.transport-row,.songs-toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}button{border:0;border-radius:12px;padding:10px 14px;background:#232323;color:#fff}.transport-row button{flex:1 1 calc(50% - 4px)}.tap-btn{min-width:68px;padding-inline:12px}.sync-btn{width:100%;margin-top:10px;min-height:60px;font-size:1.2rem;background:linear-gradient(135deg,#c5582f,#922f14)}.preview-strip{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(104px,124px);gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}.bar-card{border:1px solid var(--line);border-radius:14px;padding:10px;background:#fff9}.bar-invalid{border-color:#8f1d1d59;background:#8f1d1d14}.bar-card-active{border-color:#c5582fb3;background:#c5582f2e;box-shadow:inset 0 0 0 1px #c5582f40}.bar-index{font-size:.72rem;text-transform:uppercase;margin-bottom:6px}.bar-slots{display:flex;flex-wrap:wrap;gap:4px}.slot{display:inline-flex;align-items:center;justify-content:center;min-width:42px;padding:6px 8px;border-radius:999px;background:#c5582f1f;font-size:.86rem}.slot-rest{background:#28282814}.error-list{display:grid;gap:4px}.error-item{color:var(--error);font-size:.92rem}.notice{margin-top:8px;min-height:1.5em;font-size:.92rem}.notice-error{color:var(--error)}.song-list{display:grid;gap:8px;margin-top:12px}.song-item{display:grid;text-align:left;background:#ffffffbf;color:inherit;border:1px solid var(--line)}.song-item-active{border-color:#c5582f66;background:#c5582f26}@media(min-width:900px){.layout{grid-template-columns:1.2fr .9fr}.songs-panel{grid-column:span 2}.transport-row button{flex:1 1 0}}@media(max-width:700px){.editor-header{grid-template-columns:1fr auto}}