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(max-height:1000px){.bb-rail-head{padding-bottom:8px}.bb-steps{gap:4px;padding-bottom:10px}.bb-step-tab{min-height:42px}.bb-rail-foot{padding-block:10px}}.bb-slab{position:relative;isolation:isolate;overflow:hidden;border:1px solid rgb(255 255 255 / .12);border-radius:var(--r-card);background:linear-gradient(180deg,rgb(255 255 255 / .05),rgb(255 255 255 / .015));-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.bb-rail{display:grid;grid-template-rows:auto auto minmax(0,1fr) auto;min-height:0;min-width:0}.bb-rail-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;padding:var(--bb-pad) var(--bb-pad) 14px}.bb-rail-head h1{font:700 clamp(1.25rem, 1.05rem + .7vw, 1.625rem)/1.1 var(--font-display);letter-spacing:-.02em}.bb-rail-head .bb-sub{font-size:.8125rem;line-height:1.4;color:var(--muted);flex-basis:100%}.bb-steps{display:flex;gap:4px;min-width:0;padding:0 var(--bb-pad) 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p{font-size:.9375rem;line-height:1.5;color:var(--muted)}.bb-rail-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px var(--bb-pad);border-top:1px solid var(--line);background:rgb(20 19 23 / .5)}.bb-rail-foot .bb-progress{font:500 .75rem/1 var(--font-mono);color:var(--faint);font-variant-numeric:tabular-nums}.bb-stage{position:relative;display:grid;grid-template-rows:auto minmax(0,1fr) auto;min-height:0;min-width:0;background:radial-gradient(120% 90% at 30% 15%,rgb(75 43 201 / .22),transparent 62%),radial-gradient(90% 80% at 85% 92%,rgb(46 140 138 / .18),transparent 62%),#0C0B11}.bb-stage>.aurora{z-index:-1;opacity:.5}.bb-stage-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;padding:12px var(--bb-pad)}.bb-stage-bar .bb-spacer{margin-left:auto}.bb-stage-title{font:700 .75rem/1.3 var(--font-ui);letter-spacing:.08em;text-transform:uppercase;color:var(--faint)}.bb-stage-title b{display:block;font:500 .75rem/1.3 var(--font-mono);letter-spacing:0;text-transform:none;color:var(--muted)}.bb-views{position:relative;display:grid;gap:var(--bb-gap);min-height:0;min-width:0;padding:0 var(--bb-pad);grid-template-columns:minmax(0,1fr)}.bb-views.is-split{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) minmax(0,1fr)}@media (min-width:900px){.bb-views.is-split{grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-rows:minmax(0,1fr)}}.bb-view{position:relative;min-width:0;min-height:0;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}.bb-view[hidden]{display:none!important}.bb-view-tag{position:absolute;left:12px;top:10px;z-index:3;font:700 .6875rem/1 var(--font-ui);letter-spacing:.06em;text-transform:uppercase;color:rgb(20 19 23 / .55);pointer-events:none}.bb-3d .bb-view-tag{color:rgb(255 255 255 / .5)}.bb-flat{container-type:inline-size;background:var(--mist);color:var(--ink);touch-action:none}.bb-flat-svg{position:absolute;inset:0}.bb-flat-svg svg{width:100%;height:100%;display:block}.bb-flat-svg svg [data-panel]{cursor:grab}.bb-flat-svg svg [data-panel]:hover{fill-opacity:.1;fill:var(--amber)}.bb-hit-cut{cursor:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 28 28'%3E%3Cg fill='none' stroke='%23141317' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M7 5l11 14M18 5L7 19'/%3E%3Ccircle cx='6' cy='22' r='3'/%3E%3Ccircle cx='19' cy='22' r='3'/%3E%3C/g%3E%3C/svg%3E") 14 4,crosshair}.bb-hit-crease{cursor:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 28 28'%3E%3Cpath d='M4 20L18 4l6 5-14 16z' fill='%23F6ECDE' stroke='%23141317' stroke-width='2' stroke-linejoin='round'/%3E%3C/svg%3E") 4 22,crosshair}.bb-flat.is-panning,.bb-flat.is-panning .bb-flat-svg svg [data-panel]{cursor:grabbing}.bb-flat.is-dragging,.bb-flat.is-dragging .bb-flat-svg svg [data-panel]{cursor:grabbing}.bb-handle{position:absolute;z-index:4;width:26px;height:26px;margin:-13px 0 0 -13px;border:2px solid var(--ink);border-radius:50%;background:#fff;display:grid;place-items:center;box-shadow:0 4px 12px rgb(0 0 0 / .25);touch-action:none}.bb-handle .ic{width:13px;height:13px;color:var(--ink)}.bb-handle[hidden]{display:none!important}.bb-sel-box{position:absolute;z-index:3;border:1.5px dashed var(--ink);border-radius:3px;pointer-events:none}.bb-sel-box[hidden]{display:none!important}.bb-hover{position:absolute;z-index:5;padding:5px 10px;border-radius:var(--r-pill);background:var(--ink);color:#fff;font:700 .6875rem/1.2 var(--font-ui);letter-spacing:.02em;text-transform:uppercase;white-space:nowrap;pointer-events:none;translate:-50% calc(-100% - 12px);transition:opacity .2s}.bb-hover[hidden]{display:none!important}.bb-flat-tools{position:absolute;right:10px;top:10px;z-index:6;display:grid;gap:8px;justify-items:end}.bb-tool{position:relative;display:grid;place-items:center;width:40px;height:40px;padding:0;border:1px solid rgb(20 19 23 / .2);border-radius:50%;background:rgb(255 255 255 / .84);color:var(--ink);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:background-color .3s,transform .3s var(--ease)}.bb-tool .ic{width:15px;height:15px}@media (hover:hover){.bb-tool:hover{background:#fff;transform:scale(1.06)}}.bb-zoom-val{min-width:46px;height:28px;padding:0 8px;display:grid;place-items:center;border-radius:var(--r-pill);background:rgb(255 255 255 / .8);color:var(--ink);font:500 .6875rem/1 var(--font-mono);font-variant-numeric:tabular-nums}.bb-layers{position:absolute;left:10px;bottom:10px;z-index:6;display:flex;flex-wrap:wrap;gap:10px;max-width:calc(100% - 20px)}.bb-layer{position:relative;display:inline-flex;align-items:center;gap:6px;min-height:38px;padding:0 10px;border:1px solid rgb(20 19 23 / .18);border-radius:var(--r-pill);background:rgb(255 255 255 / .78);color:rgb(20 19 23 / .55);font:700 .625rem/1 var(--font-ui);letter-spacing:.04em;text-transform:uppercase;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:color .3s,background-color .3s,border-color .3s}.bb-layer::after{content:"";position:absolute;inset:-3px 0}.bb-layer i{width:14px;height:0;flex:none;border-top:2px solid currentColor}.bb-layer[aria-pressed="true"]{color:var(--ink);background:#fff;border-color:rgb(20 19 23 / .4)}.bb-layer[data-layer="cut"] i{border-color:var(--cut);border-top-style:solid}.bb-layer[data-layer="crease"] i{border-color:var(--crease);border-top-style:dashed}.bb-layer[data-layer="bleed"] i{border-color:var(--bleed);border-top-style:dotted}.bb-layer[data-layer="safe"] i{border-color:#7A5AF8;border-top-style:dashed}@container (max-width:560px){.bb-layers{left:8px;right:8px;bottom:8px;max-width:none;flex-wrap:nowrap;gap:6px;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:none;-webkit-overflow-scrolling:touch}.bb-layers::-webkit-scrollbar{display:none}.bb-layer{min-height:32px;padding:0 9px;flex:none}.bb-layer::after{inset:-6px 0}.bb-flat-tools{right:8px;top:8px;gap:6px}.bb-tool{width:34px;height:34px}.bb-tool::after{inset:-5px}.bb-zoom-val{height:24px;min-width:40px}}.bb-3d{background:#fff0}.bb-3d canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}.bb-3d-fallback{position:absolute;inset:0;display:grid;place-items:center;align-content:center;gap:14px;padding:24px;text-align:center;color:var(--muted);font-size:.9375rem}.bb-3d-fallback img{width:min(220px, 60%);height:auto;opacity:.9}.bb-fold{display:flex;align-items:center;gap:12px;padding:10px var(--bb-pad) var(--bb-pad)}.bb-fold .range{flex:1 1 auto;min-width:0}.bb-fold-val{flex:none;min-width:9ch;font:700 .8125rem/1 var(--font-ui);letter-spacing:.02em;text-transform:uppercase;color:var(--muted);text-align:right}.bb-play{width:44px;height:44px;flex:none}.bb-play .ic{width:14px;height:14px}.bb-shapes{display:grid;gap:10px}.bb-shape{position:relative;display:grid;gap:8px;padding:16px 18px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);text-align:left;color:var(--fg);transition:border-color .3s,background-color .3s,transform .5s var(--ease)}@media (hover:hover){.bb-shape:hover{border-color:var(--line-strong);transform:translateY(-2px)}}.bb-shape[aria-pressed="true"]{border-color:var(--amber);background:rgb(245 165 36 / .1)}.bb-shape-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.bb-shape-name{font:700 1.0625rem/1.25 var(--font-display);letter-spacing:-.01em}.bb-shape-note{font-size:.8125rem;line-height:1.5;color:var(--muted)}.bb-shape-meta{display:flex;flex-wrap:wrap;gap:6px;min-width:0}.bb-shape-meta 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b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bb-logo-name span{color:var(--muted);font:500 .75rem/1.4 var(--font-mono)}.bb-stickers{display:grid;grid-template-columns:repeat(auto-fill,minmax(56px,1fr));gap:8px}.bb-sticker{display:grid;place-items:center;aspect-ratio:1;padding:8px;border:1px solid var(--line);border-radius:14px;background:var(--surface);transition:border-color .3s,transform .35s var(--ease)}.bb-sticker svg{width:100%;height:100%;color:var(--fg)}@media (hover:hover){.bb-sticker:hover{border-color:var(--line-strong);transform:translateY(-2px)}}.bb-items{display:grid;gap:6px}.bb-item{display:flex;align-items:center;gap:12px;padding:8px 10px 8px 14px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--surface);font-size:.8125rem}.bb-item.is-active{border-color:var(--amber)}.bb-item-label{flex:1 1 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