:root{--bg: #080b11;--bg-glow: #0f1726;--panel-top: #121925;--panel-bottom: #0d131d;--border: #1e2a3a;--border-strong: #2a3a4f;--text: #e6edf3;--muted: #8b9bb4;--accent: #22d3ee;--accent-dim: #0e7490;--screen: #060a10;--radius: 14px;--radius-sm: 9px;--shadow: inset 0 1px 0 rgba(255, 255, 255, .03), 0 10px 30px -18px rgba(0, 0, 0, .9);--maxw: 1080px;--gap: clamp(14px, 2.2vw, 22px);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0}body{min-height:100vh;background:radial-gradient(1200px 600px at 50% -12%,var(--bg-glow),transparent 70%),var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.app{max-width:var(--maxw);margin:0 auto;padding:clamp(20px,4vw,40px) clamp(14px,3vw,24px) 64px;display:flex;flex-direction:column;gap:var(--gap)}.app-header{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;padding-bottom:4px}.app-header h1{margin:0;font-size:clamp(24px,4.5vw,34px);letter-spacing:.5px;background:linear-gradient(90deg,var(--text),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}.app-header .tagline{color:var(--muted);font-size:clamp(12.5px,1.6vw,14px)}.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px}.slow-toggle{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;color:var(--muted);cursor:pointer;-webkit-user-select:none;user-select:none}.slow-toggle input{-moz-appearance:none;appearance:none;-webkit-appearance:none;margin:0;width:36px;height:20px;border-radius:999px;background:#182230;border:1px solid var(--border-strong);position:relative;cursor:pointer;transition:background .15s ease,border-color .15s ease}.slow-toggle input:after{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:var(--muted);transition:transform .15s ease,background .15s ease}.slow-toggle input:checked{background:var(--accent-dim);border-color:var(--accent)}.slow-toggle input:checked:after{transform:translate(16px);background:var(--accent)}.slow-toggle input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.demo-badge{align-self:center;font-size:11px;font-weight:700;letter-spacing:1.5px;color:var(--bg);background:var(--accent);padding:4px 10px;border-radius:999px;box-shadow:0 0 0 1px var(--accent-dim),0 0 18px -4px var(--accent)}.panel{background:linear-gradient(180deg,var(--panel-top),var(--panel-bottom));border:1px solid var(--border);border-radius:var(--radius);padding:clamp(14px,2.4vw,20px);box-shadow:var(--shadow)}.panel>h2{margin:0 0 4px;font-size:12.5px;font-weight:600;text-transform:uppercase;letter-spacing:1.4px;color:var(--accent)}.panel>.hint{margin:0 0 14px;max-width:70ch;font-size:12.5px;line-height:1.5;color:var(--muted)}button{font:inherit;color:var(--text);background:#182230;border:1px solid var(--border-strong);padding:9px 15px;border-radius:var(--radius-sm);cursor:pointer;transition:border-color .15s ease,background .15s ease,transform .05s ease}button:hover{border-color:var(--accent-dim);background:#1c2838}button:active{transform:translateY(1px)}button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.source .controls{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.source .controls>div{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.source .divider{width:1px;align-self:stretch;min-height:24px;background:var(--border-strong)}[role=status]{color:var(--muted);font-size:13px}.signal-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:var(--gap)}.signal-grid .span-full{grid-column:1 / -1}.panel canvas{display:block;width:100%;border:1px solid var(--border);border-radius:var(--radius-sm);background:linear-gradient(180deg,rgba(34,211,238,.05),transparent 40%),repeating-linear-gradient(90deg,transparent 0 39px,rgba(34,211,238,.04) 39px 40px),var(--screen)}.decoded pre{margin:0;padding:16px 18px;border:1px solid var(--border);border-radius:var(--radius-sm);background:linear-gradient(180deg,rgba(34,211,238,.05),transparent 60%),var(--screen);font-family:ui-monospace,Cascadia Code,Consolas,monospace;font-size:clamp(16px,2.6vw,20px);line-height:1.5;letter-spacing:3px;color:var(--accent)}.decoded button{margin-top:12px}@media(max-width:520px){.source .divider{display:none}}