.app-stage>astro-island{display:block;height:100%}.nbl{height:100%;display:flex;flex-direction:column;min-height:0;color:var(--color-ink);font-family:var(--font-body);background:var(--color-page-bg)}.nbl-transport{display:flex;align-items:center;gap:12px;padding:10px clamp(12px,2vw,20px);border-bottom:1px solid var(--color-border);background:var(--color-surface);flex-wrap:wrap}.nbl-transport__group{display:flex;align-items:center;gap:8px}.nbl-transport__spacer{flex:1}.nbl-title-input{font-family:var(--font-display);font-weight:800;font-size:1.05rem;color:var(--color-ink);background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);padding:6px 10px;min-width:12ch;max-width:22ch}.nbl-title-input:hover{border-color:var(--color-border)}.nbl-title-input:focus-visible{border-color:var(--color-primary);background:var(--color-surface-soft);outline:none}.nbl-tempo__bpm{font-family:var(--font-display);font-weight:800;font-size:1.3rem;color:var(--color-ink);font-variant-numeric:tabular-nums}.nbl-tempo__unit{font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--color-muted)}.nbl-tempo-row{display:flex;align-items:center;gap:10px}.nbl-tempo-row .nbl-tempo__bpm{min-width:3ch;text-align:center}.nbl-play-btn{min-width:96px}.nbl-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;flex:none;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface-soft);color:var(--color-muted);cursor:pointer;transition:all .16s ease}.nbl-icon-btn:hover:not(:disabled){border-color:var(--color-border-strong);color:var(--color-ink)}.nbl-icon-btn:disabled{opacity:.4;cursor:not-allowed}.nbl-icon-btn[aria-pressed=true]{background:var(--color-primary-soft);border-color:var(--color-primary);color:var(--color-primary)}.nbl-step-btn{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:7px;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-muted);font-size:1rem;cursor:pointer}.nbl-step-btn:hover{color:var(--color-ink);border-color:var(--color-border-strong)}.nbl-split{position:relative;display:inline-flex}.nbl-split__main{border-top-right-radius:0;border-bottom-right-radius:0;gap:6px}.nbl-split__ext{font-family:ui-monospace,SF Mono,monospace;font-size:.78rem;opacity:.85}.nbl-split__toggle{display:inline-flex;align-items:center;justify-content:center;width:34px;height:48px;border:none;border-left:1px solid rgba(255,255,255,.25);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:var(--color-primary);color:#fff;cursor:pointer;transition:filter .16s ease}.nbl-split__toggle:hover:not(:disabled){filter:brightness(1.06)}.nbl-split__toggle:disabled,.nbl-split__main:disabled{opacity:.5;cursor:not-allowed}.nbl-split__menu{position:absolute;top:calc(100% + 6px);right:0;z-index:20;min-width:244px;padding:6px;border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-surface);box-shadow:var(--shadow-float);display:flex;flex-direction:column;gap:2px}.nbl-split__item{display:grid;grid-template-columns:1fr auto;grid-template-areas:"label ext" "hint hint";gap:0 8px;padding:8px 10px;border:none;border-radius:var(--radius-sm);background:transparent;cursor:pointer;text-align:left}.nbl-split__item:hover{background:var(--color-primary-soft)}.nbl-split__item-label{grid-area:label;font-weight:700;color:var(--color-ink)}.nbl-split__item-ext{grid-area:ext;justify-self:end;font-family:ui-monospace,SF Mono,monospace;font-size:.8rem;color:var(--color-muted)}.nbl-split__item-hint{grid-area:hint;font-size:.78rem;color:var(--color-muted)}.nbl-toggle{display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 12px;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface-soft);color:var(--color-muted);font-weight:600;font-size:.86rem;cursor:pointer;transition:all .16s ease}.nbl-toggle:hover{border-color:var(--color-border-strong);color:var(--color-ink)}.nbl-toggle[aria-pressed=true]{background:var(--color-primary-soft);border-color:var(--color-primary);color:var(--color-primary)}.nbl-body{flex:1;display:flex;min-height:0}.nbl-side{width:260px;flex:none;border-right:1px solid var(--color-border);background:var(--color-page-bg-soft);overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:18px}.nbl-right{width:292px;flex:none;border-left:1px solid var(--color-border);background:var(--color-page-bg-soft);overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:18px}.nbl-right .pt-segmented{flex-wrap:wrap;border-radius:20px}.nbl-right .pt-segmented__option{padding:.42rem .55rem;font-size:.8rem}.nbl-main{flex:1;min-width:0;display:flex;flex-direction:column}.nbl-main--compose{gap:12px;padding:14px clamp(12px,1.5vw,18px);overflow:auto;background:radial-gradient(1200px 600px at 50% -10%,var(--color-primary-soft),transparent 60%),var(--color-page-bg)}.nbl-card{display:flex;flex-direction:column;min-height:0;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);box-shadow:var(--shadow-card);overflow:hidden}.nbl-card--seq{flex:1 1 auto;min-height:320px}.nbl-card--piano{flex:none}.nbl-card__head{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--color-border);background:var(--color-surface);flex-wrap:wrap}.nbl-card__title{margin:0;font-family:var(--font-display);font-weight:800;font-size:.95rem;color:var(--color-ink)}.nbl-card__hint{font-size:.78rem;color:var(--color-muted)}.nbl-seq{position:relative;flex:1;min-height:0;display:flex;flex-direction:column}.nbl-seq__scroll{flex:1;min-height:0;overflow:auto}.nbl-seq__row{display:flex;align-items:flex-start;width:max-content;min-width:100%}.nbl-seq__headers{position:sticky;left:0;z-index:4;flex:none;width:216px;background:var(--color-surface);border-right:1px solid var(--color-border);box-shadow:2px 0 6px #0f172a0f}.nbl-seq__corner{box-sizing:border-box;display:flex;align-items:center;padding:0 12px;font-size:.66rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--color-muted);border-bottom:1px solid var(--color-border);background:var(--color-surface-soft)}.nbl-seq__grid{position:relative;flex:none}.nbl-seq__empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--color-muted);font-size:.9rem;text-align:center;padding:20px;pointer-events:none}.nbl-track{position:relative;box-sizing:border-box;display:flex;flex-direction:column;justify-content:center;gap:4px;padding:5px 44px 5px 12px;border-bottom:1px solid var(--color-border);overflow:hidden}.nbl-track[data-active=true]{background:var(--color-surface-soft);box-shadow:inset 3px 0 0 var(--color-primary);justify-content:flex-start;padding-top:10px}.nbl-track__select{display:flex;align-items:center;gap:8px;min-width:0;padding:0;border:none;background:transparent;color:inherit;cursor:pointer;text-align:left}.nbl-track__swatch{width:18px;height:18px;border-radius:5px;flex:none;box-shadow:inset 0 0 0 1px #0000002e,inset -3px -4px #00000024}.nbl-track__meta{display:flex;flex-direction:column;min-width:0}.nbl-track__name{font-weight:700;font-size:.86rem;color:var(--color-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nbl-track__role{font-size:.68rem;color:var(--color-muted);white-space:nowrap}.nbl-track__ctrls{display:flex;align-items:center;gap:4px}.nbl-track__sm{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;flex:none;border-radius:6px;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-muted);font-size:.68rem;font-weight:800;cursor:pointer}.nbl-track__sm:hover{border-color:var(--color-border-strong);color:var(--color-ink)}.nbl-track__sm[aria-pressed=true]{background:var(--color-primary-soft);border-color:var(--color-primary);color:var(--color-primary)}.nbl-track__vol{width:60px;min-width:0;accent-color:var(--color-primary)}.nbl-track__keys{position:absolute;top:0;right:0;bottom:0;width:38px;border-left:1px solid var(--color-border);display:flex;flex-direction:column;background:var(--color-surface)}.nbl-track__key{box-sizing:border-box;display:flex;align-items:center;justify-content:flex-end;padding-right:4px;font-size:8px;font-weight:700;color:var(--color-muted);border-bottom:1px solid var(--color-border)}.nbl-track__key[data-sharp=true]{background:var(--color-surface-soft)}.nbl-canvas{display:block;touch-action:pan-x pan-y;cursor:crosshair}.nbl-playhead{position:absolute;top:0;left:0;width:2px;background:var(--color-primary);box-shadow:0 0 6px var(--color-primary);pointer-events:none;z-index:3;will-change:transform}.nbl-playhead__handle{position:absolute;top:0;left:50%;transform:translate(-50%);width:12px;height:15px;border-radius:3px 3px 7px 7px;background:var(--color-primary);box-shadow:var(--shadow-soft)}.nbl-playback-btns{display:flex;align-items:center;gap:8px}.nbl-playback-btns .nbl-play-btn{flex:1;min-width:0}.nbl-time{margin-top:10px;font-family:var(--font-display);font-weight:800;font-size:1.05rem;font-variant-numeric:tabular-nums;color:var(--color-ink)}.nbl-time__total{color:var(--color-muted);font-size:.85rem;font-weight:700}.nbl-toggle-row{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}.nbl-stage{flex:1;min-height:0;overflow:auto;padding:14px clamp(12px,2vw,20px);background:radial-gradient(1200px 600px at 50% -10%,var(--color-primary-soft),transparent 60%),var(--color-page-bg)}.nbl-stage-bar{display:flex;align-items:center;gap:10px;padding:8px clamp(12px,2vw,20px);border-bottom:1px solid var(--color-border);background:var(--color-surface)}.nbl-stage[data-view=build]{overflow:hidden;padding:0}.nbl-preview-wrap{position:relative;width:100%;height:100%}.nbl-preview3d{width:100%;height:100%}.nbl-preview3d canvas{display:block}.nbl-preview-loading,.nbl-preview-empty{display:flex;align-items:center;justify-content:center;height:100%;color:var(--color-muted);font-size:.95rem;text-align:center;padding:24px}.nbl-preview-hints{position:absolute;bottom:12px;left:50%;transform:translate(-50%);display:flex;gap:8px;align-items:center;padding:6px 14px;border-radius:999px;background:var(--color-shell);border:1px solid var(--color-border);color:var(--color-muted);font-size:.8rem;box-shadow:var(--shadow-soft);pointer-events:none;white-space:nowrap}.nbl-verdict{font-size:.82rem;font-weight:600;padding:4px 10px;border-radius:999px;border:1px solid var(--color-border);color:var(--color-muted);background:var(--color-surface-soft)}.nbl-verdict[data-ok=true]{color:var(--color-green);border-color:var(--color-green);background:var(--color-green-soft)}.nbl-verdict[data-ok=false]{color:var(--color-orange);border-color:var(--color-orange);background:var(--color-orange-soft)}.nbl-stage--build{overflow:auto}.nbl-build-wrap{display:inline-block;border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-surface);box-shadow:var(--shadow-card);overflow:hidden}.nbl-build-canvas{display:block;touch-action:pan-x pan-y;cursor:crosshair}.nbl-range{flex:1;max-width:140px;accent-color:var(--color-primary)}.nbl kbd{display:inline-block;padding:1px 5px;border-radius:4px;border:1px solid var(--color-border-strong);background:var(--color-surface);font-family:ui-monospace,SF Mono,monospace;font-size:.72rem;color:var(--color-ink)}.nbl-palette-list{display:flex;flex-direction:column;gap:6px}.nbl-add-chip[data-active=true]{border-color:var(--color-primary);background:var(--color-primary-soft);color:var(--color-primary)}.nbl-piano-body{display:flex;justify-content:center;padding:8px 14px 10px;overflow-x:auto}.nbl-piano{display:flex;flex-direction:column;gap:8px;max-width:100%}.nbl-piano__scroll{overflow-x:auto;overflow-y:hidden;padding:8px 8px 12px;border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-surface-soft)}.nbl-piano__inner{position:relative}.nbl-piano__bands{position:relative;height:20px;margin-bottom:8px}.nbl-piano__band{position:absolute;top:0;height:20px;border-radius:6px;display:flex;align-items:center;justify-content:center;overflow:hidden}.nbl-piano__band span{font-size:.7rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.35);white-space:nowrap}.nbl-piano__keys{position:relative}.nbl-piano__white{position:absolute;top:0;border:1px solid var(--color-border-strong);border-radius:0 0 5px 5px;background:#fdfdff;cursor:pointer;display:flex;align-items:flex-end;justify-content:center;padding:0 0 6px;touch-action:pan-x}.nbl-piano__white[data-pressed=true]{background:var(--color-primary-soft)}.nbl-piano__white:disabled{opacity:.35;cursor:not-allowed}.nbl-piano__black{position:absolute;top:0;z-index:2;padding:0;border:1px solid #10162b;border-radius:0 0 4px 4px;background:#1d2540;cursor:pointer;touch-action:pan-x}.nbl-piano__black[data-pressed=true]{background:var(--color-primary)}.nbl-piano__black:disabled{opacity:.35;cursor:not-allowed}.nbl-piano__label{font-size:.6rem;font-weight:700;color:var(--color-muted);pointer-events:none}.nbl-piano__legend{text-align:center;margin:0}.nbl-piano__legend kbd{display:inline-block;padding:1px 5px;border-radius:4px;border:1px solid var(--color-border-strong);background:var(--color-surface);font-family:ui-monospace,SF Mono,monospace;font-size:.72rem;color:var(--color-ink)}.nbl-rec-status{font-size:.82rem;font-weight:600;color:var(--color-muted)}.nbl-rec-status:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:currentColor;margin-right:6px;opacity:.85}.nbl-rec-status[data-phase=idle]:before{color:var(--color-green)}.nbl-rec-status[data-phase=countin]{color:var(--color-primary)}.nbl-rec-status[data-phase=recording]{color:var(--color-orange)}.nbl-search{position:relative;margin-bottom:8px;color:var(--color-muted)}.nbl-search svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);pointer-events:none}.nbl-search__input{width:100%;box-sizing:border-box;height:36px;padding:0 10px 0 32px;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-ink);font-size:.86rem;font-family:inherit}.nbl-search__input:focus-visible{outline:none;border-color:var(--color-primary)}.nbl-lib-filters{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}.nbl-lib-list{display:flex;flex-direction:column;gap:5px}.nbl-lib-item{display:flex;align-items:center;gap:9px;padding:7px 9px;border-radius:var(--radius-sm);border:1px solid transparent;background:var(--color-surface-soft);cursor:pointer;text-align:left;color:inherit;transition:all .14s ease}.nbl-lib-item:hover{border-color:var(--color-border)}.nbl-lib-item[data-active=true]{border-color:var(--color-primary);background:var(--color-surface);box-shadow:var(--shadow-soft)}.nbl-lib-item__swatch{width:16px;height:16px;border-radius:5px;flex:none;box-shadow:inset 0 0 0 1px #0000002e,inset -3px -4px #00000024}.nbl-lib-item__meta{display:flex;flex-direction:column;min-width:0;flex:1}.nbl-lib-item__name{font-weight:600;font-size:.85rem;color:var(--color-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nbl-lib-item__role{font-size:.68rem;color:var(--color-muted)}.nbl-lib-item__check{color:var(--color-primary);flex:none}.nbl-minipreview{position:relative;height:172px;border-radius:var(--radius-md);border:1px solid var(--color-border);overflow:hidden;background:var(--color-page-bg)}.nbl-minipreview__badge{position:absolute;top:8px;right:8px;padding:2px 8px;border-radius:999px;background:var(--color-shell);border:1px solid var(--color-border);font-size:.68rem;font-weight:800;color:var(--color-muted);pointer-events:none}.nbl-export-big{width:100%;margin-top:12px}.nbl-panel-title{font-family:var(--font-display);font-weight:800;font-size:.95rem;color:var(--color-ink);margin:0 0 10px;display:flex;align-items:center;justify-content:space-between}.nbl-add-picker{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;margin-top:8px}.nbl-add-chip{display:flex;align-items:center;gap:6px;padding:6px 8px;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-ink);font-size:.82rem;font-weight:600;cursor:pointer;text-align:left}.nbl-add-chip:hover{border-color:var(--color-primary);background:var(--color-primary-soft)}.nbl-add-chip__swatch{width:11px;height:11px;border-radius:3px;flex:none}.nbl-hint{font-size:.82rem;color:var(--color-muted);line-height:1.5}.nbl-field-row{display:flex;align-items:center;gap:10px;justify-content:space-between}.nbl-field-label{font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--color-muted)}@media(max-width:1360px){.nbl-side{width:236px}.nbl-right{width:264px}}@media(max-width:1080px){.nbl-body{flex-direction:column;overflow-y:auto}.nbl-side,.nbl-right{width:100%;border-right:none;border-left:none;border-bottom:1px solid var(--color-border);display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;overflow-y:visible}.nbl-right{order:3;border-bottom:none;border-top:1px solid var(--color-border)}.nbl-main{flex:none;min-height:72vh}.nbl-main--compose{overflow:visible}.nbl-card--seq{min-height:300px}}@media(hover:none),(pointer:coarse){.nbl-track__sm{width:30px;height:30px}.nbl-step-btn{width:36px;height:36px}}