:root{--bg: #0e1015;--panel: #161a22;--panel-2: #1f2530;--fg: #e6e8ee;--muted: #8b93a4;--accent: #7cd1ff;--accent-2: #ffb86b;--danger: #ff6b8a}*{box-sizing:border-box}html,body{margin:0;background:radial-gradient(1200px 600px at 50% -200px,rgba(124,209,255,.1),transparent 70%),var(--bg);color:var(--fg);font-family:ui-sans-serif,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.4;min-height:100vh}main{max-width:760px;margin:0 auto;padding:56px 24px 80px}.hidden{display:none}h1{font-size:56px;letter-spacing:-1px;margin:0 0 8px;word-break:break-word}@media(max-width:520px){h1{font-size:36px}}.sub{color:var(--muted);margin:0 0 24px}.muted{color:var(--muted)}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:18px}input[type=text]{flex:1;min-width:220px;padding:14px 16px;font-size:18px;border-radius:10px;border:1px solid #2a3140;background:var(--panel);color:var(--fg);font-family:ui-monospace,JetBrains Mono,Menlo,monospace}button,.link{padding:12px 18px;border-radius:10px;border:1px solid #2a3140;background:var(--panel-2);color:var(--fg);cursor:pointer;font-size:15px;text-decoration:none;display:inline-block}button:hover,.link:hover{border-color:var(--accent)}button.primary{background:var(--accent);color:#06121c;border-color:transparent;font-weight:600}button.big{padding:14px 22px;font-size:16px}.back{display:inline-block;color:var(--muted);text-decoration:none;margin-bottom:24px;font-size:13px}.back:hover{color:var(--accent)}.char-viz{margin-top:6px;display:flex;flex-wrap:wrap;gap:6px;min-height:48px;font-family:ui-monospace,JetBrains Mono,Menlo,monospace}.char-viz .char{padding:8px 12px;border-radius:8px;background:var(--panel);border:1px solid #232a36;color:var(--muted);font-size:22px;transition:background-color 80ms linear,color 80ms linear,border-color 80ms linear,transform 80ms ease-out;white-space:pre}.char-viz .char.active{background:var(--accent);color:#06121c;border-color:var(--accent);transform:translateY(-2px)}.char-viz .char.dim{opacity:.35}.scope{display:block;width:100%;height:100px;margin-top:14px;background:#0a0d12;border:1px solid #232a36;border-radius:8px}.register-banner{margin-top:18px;padding:14px 18px;border:1px solid #2a3140;border-radius:10px;display:flex;gap:16px;align-items:center;flex-wrap:wrap}.register-banner.hidden{display:none}.register-banner span{color:var(--muted)}.register-banner code{background:var(--panel-2);padding:2px 8px;border-radius:6px;color:var(--fg);font-family:ui-monospace,JetBrains Mono,Menlo,monospace;font-size:12px}.register-banner a{text-decoration:none;font-weight:600;border-bottom:1px dashed currentColor}.register-banner.unregistered{background:linear-gradient(90deg,#ffb86b14,#ffb86b05)}.register-banner.unregistered a{color:var(--accent-2)}.register-banner.unregistered a:hover{color:#fff}.register-banner.registered{background:linear-gradient(90deg,#7cd1ff14,#7cd1ff05)}.register-banner.registered a{color:var(--accent)}.register-banner.registered a:hover{color:#fff}.examples{margin-top:20px;display:flex;gap:6px;flex-wrap:wrap}.examples .pill{background:var(--panel-2);border:1px solid #2a3140;color:var(--muted);padding:6px 12px;border-radius:999px;cursor:pointer;font-size:13px;font-family:ui-monospace,Menlo,monospace}.examples .pill:hover{color:var(--fg);border-color:var(--accent)}.status{margin-top:16px;color:var(--muted);font-size:13px;min-height:18px}.status.dirty{color:var(--accent-2)}.status.error{color:var(--danger)}.details{margin-top:36px;background:var(--panel);border:1px solid #232a36;border-radius:10px;padding:14px 18px}.details summary{cursor:pointer;color:var(--muted);-webkit-user-select:none;user-select:none}.details[open] summary{color:var(--fg)}.details h3{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin:18px 0 6px}.meta{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px;margin-top:14px}.meta>div{background:var(--panel-2);border-radius:8px;padding:10px 12px}.meta .k{display:block;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:1px}.meta .v{display:block;font-family:ui-monospace,Menlo,monospace;font-size:14px;color:var(--accent);margin-top:2px}.tweak-overrides{display:flex;flex-direction:column;gap:8px;margin-top:8px}.tweak-override-row{display:grid;grid-template-columns:130px 1fr 60px 28px;gap:8px;align-items:center;font-family:ui-monospace,Menlo,monospace;font-size:12px}.tweak-override-row label{color:var(--muted)}.tweak-override-row .val{color:var(--accent);text-align:right}.tweak-override-row.overridden label,.tweak-override-row.overridden .val{color:var(--accent-2)}.tweak-override-row .reset{padding:0;width:24px;height:24px;background:transparent;border:1px solid #2a3140;border-radius:4px;color:var(--muted);cursor:pointer;font-size:14px}.tweak-override-row .reset:hover{color:var(--danger);border-color:var(--danger)}.tweaks{list-style:none;padding:0;margin:0 0 12px;font-family:ui-monospace,Menlo,monospace;font-size:12px}.tweaks li{padding:4px 0;border-bottom:1px solid #1a1f29}.tweaks li:last-child{border-bottom:0}.tweaks code{color:var(--accent)}.tweaks b{color:var(--fg);font-weight:600}.bytes-row{margin-top:14px}.bytes-row .k{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:1px;display:block;margin-bottom:4px}.bytes{display:block;background:var(--panel-2);padding:10px 12px;border-radius:8px;font-family:ui-monospace,Menlo,monospace;font-size:12px;color:var(--fg);overflow-x:auto;white-space:nowrap}pre{background:#0a0d12;color:#d6e3f0;border:1px solid #232a36;border-radius:8px;padding:14px;font-family:ui-monospace,JetBrains Mono,Menlo,monospace;font-size:12px;line-height:1.5;overflow-x:auto;white-space:pre}