:root{color-scheme:dark;--rb-bg: #10151a;--rb-bg-elevated: #12161b;--rb-fg: #eef2f5;--rb-muted: #b7c2cc;--rb-muted-2: #8f9aa6;--rb-btn: #e8edf2;--rb-btn-fg: #10151a;--rb-btn-ghost: rgb(255 255 255 / 12%);--rb-surface: rgb(0 0 0 / 35%);--rb-surface-input: rgb(0 0 0 / 28%);--rb-border: rgb(255 255 255 / 8%);--rb-border-strong: rgb(255 255 255 / 14%);--rb-error: #ffb4b4;--rb-preview-bg: #fff;--rb-glow-a: #2a3540;--rb-glow-b: #1c3038;--rb-radius: 12px;--rb-radius-lg: 16px;--rb-radius-pill: 999px;--rb-font: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;--rb-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;--rb-content: 40rem;--rb-panel: 28rem;--rb-tap: 2.75rem;--rb-space-page-x: max(1rem, env(safe-area-inset-left), env(safe-area-inset-right));--rb-space-page-top: max(1rem, env(safe-area-inset-top));--rb-space-page-bottom: max(1rem, env(safe-area-inset-bottom))}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;min-height:100%}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{font-family:var(--rb-font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;background:var(--rb-bg);color:var(--rb-fg)}button,a,input{-webkit-tap-highlight-color:transparent}.rb-page{display:block;min-height:100dvh;color:var(--rb-fg)}.rb-page--home{overflow-x:clip;background:radial-gradient(1100px 560px at 8% -10%,var(--rb-glow-a) 0%,transparent 55%),radial-gradient(900px 500px at 100% 0%,var(--rb-glow-b) 0%,transparent 50%),var(--rb-bg)}.rb-page--demo{background:radial-gradient(1000px 500px at 0% 0%,#2a2438 0%,transparent 55%),var(--rb-bg-elevated)}.rb-page--plain{background:var(--rb-bg)}.btn{appearance:none;border:0;border-radius:var(--rb-radius-pill);box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;gap:.35rem;min-height:var(--rb-tap);min-width:var(--rb-tap);padding:.75rem 1.25rem;background:var(--rb-btn);color:var(--rb-btn-fg);font:inherit;font-weight:650;line-height:1.2;text-decoration:none;text-align:center;max-width:100%;cursor:pointer;touch-action:manipulation;transition:background-color .12s ease,color .12s ease,opacity .12s ease}.btn:hover{filter:brightness(1.05)}.btn:active{filter:brightness(.95)}.btn:focus-visible{outline:2px solid var(--rb-fg);outline-offset:2px}.btn:disabled,.btn[disabled],.btn[aria-disabled=true]{opacity:.45;cursor:not-allowed;filter:none;pointer-events:none}.btn-ghost{background:var(--rb-btn-ghost);color:var(--rb-fg)}.btn-ghost:hover{background:#ffffff2e;filter:none}.brand{margin:0 0 .75rem;font-size:clamp(1.75rem,7.5vw,2.75rem);font-weight:750;letter-spacing:-.03em;overflow-wrap:anywhere}.lead{margin:.85rem 0 0;color:var(--rb-muted);font-size:clamp(.95rem,3.5vw,1rem);line-height:1.55;text-wrap:pretty;overflow-wrap:break-word}.cta,.actions{display:flex;flex-wrap:wrap;gap:.75rem}.cta{margin-top:1.5rem}.home{width:100%;max-width:var(--rb-content);margin:0 auto;padding:var(--rb-space-page-top) max(1rem,env(safe-area-inset-right)) max(3rem,calc(2rem + env(safe-area-inset-bottom))) max(1rem,env(safe-area-inset-left));display:grid;gap:2rem;min-width:0;overflow-wrap:break-word}.home h1{margin:0;font-size:clamp(1.15rem,4.2vw,1.55rem);font-weight:600;line-height:1.35;text-wrap:pretty;overflow-wrap:break-word}.docs{min-width:0}.docs h2{margin:0 0 .75rem;font-size:1.1rem}.docs h3{margin:1.35rem 0 .65rem;font-size:1rem;font-weight:650}.docs p{margin:0 0 .65rem;color:var(--rb-muted);line-height:1.5;overflow-wrap:break-word}.docs pre{margin:0 0 1rem;padding:.85rem 1rem;max-width:100%;min-width:0;overflow-x:auto;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;border-radius:var(--rb-radius);background:var(--rb-surface);border:1px solid var(--rb-border)}.docs code{font-family:var(--rb-mono);font-size:clamp(.72rem,2.8vw,.82rem);overflow-wrap:anywhere;word-break:break-word}.docs p code{white-space:normal}.demo{max-width:var(--rb-panel);margin:0 auto;padding:var(--rb-space-page-top) max(1.25rem,env(safe-area-inset-right)) max(2.5rem,calc(1.5rem + env(safe-area-inset-bottom))) max(1.25rem,env(safe-area-inset-left));display:grid;gap:1.25rem}.demo .brand{margin:0;font-size:1.75rem;letter-spacing:-.02em}.demo h1{margin:.35rem 0 0;font-size:1.2rem;font-weight:600;line-height:1.35}.demo .lead{margin:.65rem 0 0}.field{display:grid;gap:.4rem}.field span{font-size:.9rem;color:var(--rb-muted)}.field input,.demo input{width:100%;box-sizing:border-box;border:1px solid var(--rb-border-strong);border-radius:var(--rb-radius);min-height:var(--rb-tap);padding:.85rem .95rem;background:var(--rb-surface-input);color:inherit;font:inherit}.field input:focus-visible,.demo input:focus-visible{outline:2px solid var(--rb-fg);outline-offset:2px}.demo .btn{justify-self:start}.panel{max-width:var(--rb-panel);margin:0 auto;padding:var(--rb-space-page-top) max(1.25rem,env(safe-area-inset-right)) max(2.5rem,calc(1.5rem + env(safe-area-inset-bottom))) max(1.25rem,env(safe-area-inset-left));display:grid;gap:1rem}.panel h1{margin:0;font-size:1.5rem;font-weight:650}.panel p{margin:0;color:var(--rb-muted);line-height:1.5}.preview-wrap{margin:0}.preview{width:100%;background:var(--rb-preview-bg);border-radius:var(--rb-radius)}.meta{margin:0;display:grid;gap:.65rem}.meta div{display:grid;grid-template-columns:minmax(5rem,7rem) 1fr;gap:.5rem}.meta dt{color:var(--rb-muted-2)}.meta dd{margin:0;word-break:break-all}.toolbar{display:flex;flex-wrap:wrap;gap:.65rem;justify-content:flex-end;align-items:stretch}@media(max-width:30rem){.cta{flex-direction:column}.cta .btn{width:100%}.toolbar{display:flex;flex-wrap:wrap;justify-content:stretch}.toolbar>.btn{flex:1 1 calc(50% - .35rem);min-width:calc(50% - .35rem)}.toolbar>.btn:not(.btn-ghost){flex:1 1 100%;order:10}.actions{flex-direction:column}.actions>.btn{width:100%}}