.bx{--bx-bg:#121212;--bx-bg-deep:#0a0a0b;--bx-accent:#1f4fd8;--bx-text:#e5e7eb;--bx-muted:#9ca3af;--bx-border:#4b5563;--bx-error:#f87171;color:var(--bx-text);gap:16px;font-family:Inter,ui-sans-serif,system-ui,sans-serif;font-size:14px;display:grid}.bx-stage{order:-1}@media (width>=1024px){.bx-stage{order:0}.bx{grid-template-columns:380px minmax(0,1fr);align-items:start}.bx-stage{position:sticky;top:96px}}.bx-panel{gap:12px;display:grid}.bx-section{background:var(--bx-bg-deep);border:1px solid #ffffff14;gap:10px;padding:16px;display:grid}.bx-h{letter-spacing:.12em;text-transform:uppercase;margin:0;font-size:12px;font-weight:900}.bx-muted{color:var(--bx-muted);margin:0;font-size:12px}.bx-error{color:var(--bx-error);margin:0;font-size:13px}.bx-row{grid-template-columns:1fr 1fr;gap:8px;display:grid}.bx-row-3{grid-template-columns:repeat(3,1fr)}.bx-field{color:var(--bx-muted);letter-spacing:.06em;text-transform:uppercase;gap:4px;font-size:11px;font-weight:700;display:grid}.bx-input{box-sizing:border-box;width:100%;min-width:0;color:var(--bx-text);background:var(--bx-bg);border:1px solid var(--bx-border);font:inherit;text-transform:none;letter-spacing:normal;border-radius:0;padding:8px 10px;font-size:15px}.bx-input:focus{outline:2px solid var(--bx-accent);outline-offset:-1px}.bx-segmented{border:1px solid var(--bx-border);grid-template-columns:repeat(3,1fr);display:grid}.bx-segmented button{color:var(--bx-muted);font:inherit;cursor:pointer;background:0 0;border:0;padding:8px;font-weight:700}.bx-segmented button+button{border-left:1px solid var(--bx-border)}.bx-segmented button.is-active{color:#fff;background:var(--bx-accent)}.bx-details summary{color:var(--bx-muted);cursor:pointer;font-size:12px}.bx-details[open]{gap:8px;display:grid}.bx-tracks{flex-wrap:wrap;align-items:center;gap:6px;margin-top:6px;display:flex}.bx-tracks .bx-muted{width:56px}.bx-track{width:72px;padding:6px 8px;font-size:13px}.bx-actions{flex-wrap:wrap;gap:8px;display:flex}.bx-btn{color:var(--bx-text);border:1px solid var(--bx-border);font:inherit;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;background:0 0;padding:9px 14px;font-size:12px;font-weight:700}.bx-btn:hover{border-color:var(--bx-text)}.bx-btn-primary{color:#fff;background:var(--bx-accent);border-color:var(--bx-accent)}.bx-btn-primary:hover{background:#1d4ed8;border-color:#1d4ed8}.bx-btn:disabled{opacity:.4;cursor:not-allowed}.bx-btn-block{width:100%;padding:14px}.bx-selected-head{align-items:baseline;gap:10px;display:flex}.bx-label{letter-spacing:-.05em;font-size:22px;font-weight:900}.bx-grid{touch-action:none;-webkit-user-select:none;user-select:none;width:100%;max-height:320px;display:block}.bx-grid-space{fill:var(--bx-bg);stroke:var(--bx-border)}.bx-grid-cell{fill:#0000;stroke:#ffffff1f;stroke-dasharray:4 4;cursor:pointer}.bx-grid-marked{fill:#1f4fd873;stroke:#fff;stroke-dasharray:6 4;pointer-events:none}.bx-grid-box{fill:#2a2e35;stroke:var(--bx-muted);cursor:pointer}.bx-grid-box.is-selected{fill:var(--bx-accent);stroke:#fff}.bx-grid-box.is-error{fill:#7f1d1d;stroke:var(--bx-error)}.bx-grid-box.is-error.is-selected{stroke:#fff}.bx-grid-label,.bx-grid-front{fill:var(--bx-text);text-anchor:middle;dominant-baseline:central;pointer-events:none;font-weight:900}.bx-grid-front{fill:var(--bx-muted);dominant-baseline:auto;font-weight:700}.bx-preview{background:var(--bx-bg-deep);border:1px solid #ffffff14;height:360px;position:relative}@media (width>=1024px){.bx-preview{height:calc(100vh - 140px);min-height:480px;max-height:760px}}.bx-preview canvas{touch-action:none;width:100%;height:100%;display:block}.bx-hint{margin-top:8px}.bx-loading{color:var(--bx-muted);place-items:center;margin:0;display:grid;position:absolute;inset:0}.bx-check{color:var(--bx-text);cursor:pointer;align-items:flex-start;gap:10px;font-size:13px;line-height:1.45;display:flex}.bx-check input{width:16px;height:16px;accent-color:var(--bx-accent);flex-shrink:0;margin-top:3px}.bx-check small{font-size:12px}.bx-check a{color:var(--bx-accent)}.bx-actions-split{grid-template-columns:1fr 1fr;display:grid}.bx-actions-split .bx-btn{padding:12px 8px}.bx-cta{background:linear-gradient(180deg, #1f4fd81f, var(--bx-bg-deep));border-color:#1f4fd880}textarea.bx-input{resize:vertical;min-height:72px}.bx-hp{opacity:0;width:1px;height:1px;position:absolute;left:-10000px}.bx-dialog{width:min(480px,100vw - 32px);max-height:calc(100vh - 32px);color:var(--bx-text);background:var(--bx-bg-deep);border:1px solid var(--bx-border);padding:0;font-family:Inter,ui-sans-serif,system-ui,sans-serif;font-size:14px}.bx-dialog::backdrop{background:#000000b3}.bx-order,.bx-order-done{gap:12px;padding:20px;display:grid}.bx-order[hidden],.bx-order-done[hidden]{display:none}.bx-dialog-head{justify-content:space-between;align-items:center;display:flex}.bx-close{color:var(--bx-muted);cursor:pointer;background:0 0;border:0;padding:0 6px;font-size:24px;line-height:1}.bx-close:hover{color:var(--bx-text)}.bx-toast{z-index:60;color:#fff;background:var(--bx-accent);padding:12px 18px;font-family:Inter,ui-sans-serif,system-ui,sans-serif;font-size:14px;font-weight:700;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.bx-toast[hidden]{display:none}