*{box-sizing:border-box;margin:0;padding:0}body,body[data-variant="vault"]{--ground:#0a0b0e;--ink:#fff;--muted:#8d95ab;--surface:#14161f;--line:#262b3d;--handle:#262b3d;--accent:#c8ff00;--accent-ink:#000;--font-body:'Space Grotesk',system-ui,sans-serif;--font-display:'Syne',system-ui,sans-serif;--radius-sheet:28px;--radius-btn:12px;--border-w:1px;--shadow-sheet:0 -20px 50px rgba(0,0,0,0.5);--backdrop:rgba(0,0,0,0.6);--backdrop-blur:8px}body[data-variant="soft"]{--ground:#e9e3f7;--ink:#3a2f55;--muted:#7e739a;--surface:#fbf9ff;--line:#e3dcf3;--handle:#cfc4ea;--accent:#ffb7c5;--accent-ink:#4a1f2d;--font-body:'Space Grotesk',system-ui,sans-serif;--font-display:'Space Grotesk',system-ui,sans-serif;--radius-sheet:36px;--radius-btn:9999px;--border-w:0px;--shadow-sheet:0 -12px 40px rgba(90,70,140,0.12);--backdrop:rgba(120,100,170,0.28);--backdrop-blur:4px}body[data-variant="corporate"]{--ground:#ffffff;--ink:#111827;--muted:#6b7280;--surface:#ffffff;--line:#e5e7eb;--handle:#d1d5db;--accent:#2563eb;--accent-ink:#ffffff;--font-body:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;--font-display:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;--radius-sheet:8px;--radius-btn:6px;--border-w:1px;--shadow-sheet:0 -8px 24px rgba(17,24,39,0.12);--backdrop:rgba(17,24,39,0.45);--backdrop-blur:0px}body{background:var(--ground);color:var(--ink);font-family:var(--font-body);min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden}.sheet-trigger-btn{background:var(--surface);border:var(--border-w) solid var(--line);color:var(--ink);font-family:var(--font-body);font-weight:600;padding:0.85rem 1.75rem;border-radius:var(--radius-btn);cursor:pointer}body[data-variant="soft"] .sheet-trigger-btn{box-shadow:0 8px 24px rgba(90,70,140,0.12)}body[data-variant="corporate"] .sheet-trigger-btn{box-shadow:0 1px 2px rgba(17,24,39,0.08)}.sheet-overlay{position:fixed;inset:0;background:var(--backdrop);backdrop-filter:blur(var(--backdrop-blur));-webkit-backdrop-filter:blur(var(--backdrop-blur));z-index:999;opacity:0;visibility:hidden;pointer-events:none;display:flex;align-items:flex-end;justify-content:center}.sheet-overlay.is-active{opacity:1;visibility:visible;pointer-events:auto}.bottom-sheet{width:100%;max-width:520px;background:var(--surface);border:var(--border-w) solid var(--line);border-bottom:0;border-top-left-radius:var(--radius-sheet);border-top-right-radius:var(--radius-sheet);padding:1rem 1.75rem 2.5rem;box-shadow:var(--shadow-sheet);touch-action:none;color:var(--ink)}.sheet-handle-bar{width:44px;height:5px;background:var(--handle);border-radius:9999px;margin:0 auto 1.5rem;cursor:grab}.sheet-title{font-family:var(--font-display);font-size:1.25rem;font-weight:700;margin-bottom:1rem}.sheet-option-row{display:flex;align-items:center;justify-content:space-between;padding:0.85rem 0;border-bottom:1px solid var(--line)}.sheet-option-row input{accent-color:var(--accent);width:18px;height:18px}.sheet-apply-btn{width:100%;margin-top:1.5rem;background:var(--accent);color:var(--accent-ink);border:none}.showcase-toolbar{position:fixed;top:0.75rem;right:0.75rem;z-index:1000;display:flex;gap:0.25rem;padding:0.25rem;border-radius:var(--radius-btn);background:var(--surface);border:var(--border-w) solid var(--line);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:0.7rem}.showcase-toolbar button{background:transparent;border:0;color:var(--muted);padding:0.3rem 0.55rem;border-radius:calc(var(--radius-btn) - 2px);cursor:pointer;font:inherit;letter-spacing:0.04em}.showcase-toolbar button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}