:root{--viz-bg: #060608;--viz-text: #eaeaf0;--viz-muted: #a6a6b0;--viz-accent: #7c5cff;--viz-accent-2: #14f195;--viz-border: rgba(255, 255, 255, .12);--viz-panel: rgba(14, 14, 18, .55)}*{box-sizing:border-box}html,body{height:100%;margin:0}body{background:var(--viz-bg);color:var(--viz-text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow:hidden;-webkit-tap-highlight-color:transparent}#viz{position:fixed;inset:0;width:100vw;height:100vh;height:100svh;display:block;z-index:0}.viz-topbar{position:fixed;top:0;left:0;right:0;z-index:30;display:flex;align-items:center;justify-content:space-between;padding:18px 22px;pointer-events:none;transition:opacity .5s ease,transform .5s ease}.viz-topbar a{pointer-events:auto;color:var(--viz-text);text-decoration:none;opacity:.85}.viz-topbar a:hover{opacity:1}.viz-logo{font-weight:700;letter-spacing:.4px}.viz-nav{display:flex;gap:18px;font-size:.95rem}.viz-start{position:fixed;inset:0;z-index:40;display:grid;place-items:center;text-align:center;background:radial-gradient(900px 500px at 50% 40%,rgba(124,92,255,.18),transparent),#06060899;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);transition:opacity .6s ease,visibility .6s ease}.viz-start.gone{opacity:0;visibility:hidden;pointer-events:none}.viz-start__inner{padding:24px;max-width:520px}.viz-start__title{font-size:clamp(2.6rem,8vw,5rem);letter-spacing:-.04em;margin:0 0 .4rem;background:linear-gradient(90deg,#fff,#b9aaff 40%,var(--viz-accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}.viz-start__sub{color:var(--viz-muted);font-size:1.05rem;margin:0 0 1.6rem}.viz-start__or{color:var(--viz-muted);margin:.75rem 0;font-size:.85rem;text-transform:uppercase;letter-spacing:.2em}.viz-start__hint{color:var(--viz-muted);font-size:.85rem;margin-top:1.8rem}.viz-start__hint b{color:var(--viz-text)}.viz-start__err{color:#ff7a7a;font-size:.9rem;min-height:1.2em;margin-top:1rem}.viz-btn{appearance:none;border:1px solid var(--viz-border);background:var(--viz-panel);color:var(--viz-text);padding:.85rem 1.4rem;border-radius:999px;font-size:1rem;cursor:pointer;transition:transform .15s ease,background .2s ease,border-color .2s ease}.viz-btn:hover{transform:translateY(-2px);border-color:#ffffff4d}.viz-btn--primary{border:none;background:linear-gradient(90deg,var(--viz-accent),#5b8cff);font-weight:600;box-shadow:0 10px 30px #7c5cff59}.viz-controls{position:fixed;left:50%;bottom:22px;transform:translate(-50%);z-index:30;display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding:10px 12px;max-width:min(94vw,1100px);background:var(--viz-panel);border:1px solid var(--viz-border);border-radius:16px;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:0 12px 40px #00000073;transition:opacity .5s ease,transform .5s ease}.viz-scenes{display:flex;flex-wrap:wrap;gap:8px}.viz-chip{appearance:none;border:1px solid var(--viz-border);background:#ffffff0a;color:var(--viz-text);padding:.5rem .85rem;border-radius:999px;font-size:.9rem;cursor:pointer;white-space:nowrap;transition:background .2s ease,border-color .2s ease,transform .1s ease}.viz-chip:hover{background:#ffffff1a}.viz-chip.on{border-color:transparent;background:linear-gradient(90deg,var(--viz-accent),var(--viz-accent-2));color:#0a0a0a;font-weight:600}.viz-tools{display:flex;gap:8px;margin-left:auto}.viz-tool{appearance:none;border:1px solid var(--viz-border);background:#ffffff0a;color:var(--viz-text);padding:.5rem .8rem;border-radius:10px;font-size:.85rem;cursor:pointer;transition:background .2s ease}.viz-tool:hover{background:#ffffff1f}.viz-tool.on{background:linear-gradient(90deg,var(--viz-accent-2),var(--viz-accent));color:#0a0a0a;font-weight:600}.viz-toast{position:fixed;top:22px;left:50%;transform:translate(-50%,-16px);z-index:35;padding:.5rem 1rem;background:var(--viz-panel);border:1px solid var(--viz-border);border-radius:999px;font-size:.85rem;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);opacity:0;pointer-events:none;transition:opacity .3s ease,transform .3s ease}.viz-toast.show{opacity:1;transform:translate(-50%)}body.idle{cursor:none}body.idle .viz-controls,body.idle .viz-topbar{opacity:0;pointer-events:none;transform:translateY(10px)}body.idle .viz-topbar{transform:translateY(-10px)}body.ui-hidden .viz-controls,body.ui-hidden .viz-topbar{opacity:0;pointer-events:none}.viz-fatal{position:fixed;inset:0;z-index:50;display:grid;place-items:center;text-align:center;background:var(--viz-bg);padding:24px}.viz-fatal .muted{color:var(--viz-muted)}@media (max-width: 640px){.viz-controls{bottom:12px;gap:10px;padding:8px;border-radius:14px}.viz-chip{padding:.45rem .7rem;font-size:.82rem}.viz-tools{width:100%;margin-left:0;justify-content:space-between}.viz-nav{display:none}}