:root {
  --bg: #0b0e14;
  --bg-2: #121723;
  --card: #161c2b;
  --card-2: #1d2435;
  --line: #2a3245;
  --ink: #eef2fb;
  --ink-dim: #9aa6c0;
  --accent: #6ea8fe;
  --accent-2: #b692ff;
  --good: #3ddc97;
  --warn: #ffb454;
  --bad: #ff6b7a;
  --radius: 14px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, #1b2440 0%, transparent 60%),
    radial-gradient(900px 500px at -10% 10%, #20183a 0%, transparent 55%),
    var(--bg);
  background-attachment: fixed;
}

.wrap { width: min(1180px, 100% - 2rem); margin-inline: auto; }

code { font-family: var(--mono); font-size: .86em; }

/* header */
.site-head {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(to bottom, rgba(15,20,32,.85), rgba(15,20,32,.55));
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 20;
}
.site-head .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .85rem 0; flex-wrap: wrap;
}
.brand { display: flex; gap: .85rem; align-items: center; }
.brand-ico, .brand > svg {
  width: 40px; height: 40px; color: var(--accent);
  flex: none;
}
.brand h1 {
  margin: 0; font-size: 1.4rem; letter-spacing: -.02em; font-weight: 800;
}
.brand h1 .in {
  font-weight: 400; color: var(--accent-2); font-style: italic;
}
.tag { margin: .1rem 0 0; color: var(--ink-dim); font-size: .82rem; }
.tag code { color: var(--accent); }

.support {
  font-size: .78rem; font-weight: 600; display: flex; gap: .4rem; align-items: center;
  padding: .4rem .7rem; border-radius: 999px; border: 1px solid var(--line);
  background: var(--card);
}
.support .dot { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.support.ok .dot { background: var(--good); box-shadow: 0 0 10px var(--good); }
.support.no .dot { background: var(--warn); box-shadow: 0 0 10px var(--warn); }

/* banner */
.banner {
  width: min(1180px, 100% - 2rem); margin: 1rem auto 0;
  display: flex; gap: .8rem; align-items: flex-start;
  background: linear-gradient(90deg, rgba(255,180,84,.12), rgba(255,180,84,.04));
  border: 1px solid rgba(255,180,84,.35);
  border-radius: var(--radius); padding: .9rem 1.05rem; font-size: .88rem;
  color: #ffe7c2;
}
.banner i, .banner > svg { color: var(--warn); flex: none; margin-top: 2px; width: 20px; height: 20px; }
.banner code { background: rgba(0,0,0,.35); padding: .05em .4em; border-radius: 5px; color: #fff; }
.banner a { color: var(--accent); white-space: nowrap; }

/* grid */
.grid {
  display: grid; gap: 1.1rem; padding: 1.4rem 0 2.5rem;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
}

.card {
  background: linear-gradient(180deg, var(--card), var(--bg-2));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: 0 8px 30px rgba(0,0,0,.25);
}
.card-head { padding: 1rem 1.1rem .65rem; }
.card-title { display: flex; align-items: center; gap: .55rem; }
.card-title i, .card-title svg { width: 20px; height: 20px; color: var(--accent); flex: none; }
.card-title h2 { margin: 0; font-size: 1.05rem; font-weight: 700; letter-spacing: -.01em; }
.card-desc { margin: .45rem 0 0; color: var(--ink-dim); font-size: .85rem; }

.badge {
  margin-left: auto; font-size: .64rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: .06em; padding: .22rem .5rem; border-radius: 999px; flex: none;
}
.badge.b1 { background: rgba(61,220,151,.16); color: var(--good); }
.badge.b2 { background: rgba(110,168,254,.16); color: var(--accent); }
.badge.b3 { background: rgba(182,146,255,.18); color: var(--accent-2); }

/* stage */
.stage {
  position: relative; margin: .5rem 1.1rem 0;
  border: 1px dashed var(--line); border-radius: 10px;
  background:
    linear-gradient(45deg, #0e1320 25%, transparent 25%) 0 0/22px 22px,
    linear-gradient(-45deg, #0e1320 25%, transparent 25%) 0 0/22px 22px,
    linear-gradient(45deg, transparent 75%, #0e1320 75%) 0 0/22px 22px,
    linear-gradient(-45deg, transparent 75%, #0e1320 75%) 0 0/22px 22px,
    #111726;
  min-height: 180px; display: grid; place-items: center; overflow: hidden;
}
.stage canvas { display: block; max-width: 100%; }

.controls {
  display: flex; flex-wrap: wrap; gap: .5rem; padding: .8rem 1.1rem .2rem;
}
.controls button, .controls .ctl {
  font: inherit; font-size: .8rem; font-weight: 600;
  background: var(--card-2); color: var(--ink); border: 1px solid var(--line);
  padding: .42rem .8rem; border-radius: 8px; cursor: pointer; display: inline-flex;
  align-items: center; gap: .4rem;
}
.controls button:hover { border-color: var(--accent); color: var(--accent); }
.controls button:active { transform: translateY(1px); }
.controls i, .controls svg { width: 15px; height: 15px; }

/* code */
details.code { margin: .75rem 1.1rem 1.1rem; }
details.code summary {
  cursor: pointer; font-size: .78rem; color: var(--ink-dim); font-weight: 600;
  list-style: none; display: flex; align-items: center; gap: .35rem; user-select: none;
}
details.code summary::-webkit-details-marker { display: none; }
details.code summary i, details.code summary svg { width: 14px; height: 14px; transition: transform .15s; }
details.code[open] summary i, details.code[open] summary svg { transform: rotate(90deg); }
details.code pre {
  margin: .55rem 0 0; background: #0a0d15; border: 1px solid var(--line);
  border-radius: 9px; padding: .8rem .9rem; overflow-x: auto; font-size: .74rem;
  line-height: 1.5; color: #cdd6f4;
}
.tok-k { color: #c792ea; }
.tok-f { color: #82aaff; }
.tok-s { color: #c3e88d; }
.tok-c { color: #5c6a82; font-style: italic; }
.tok-n { color: #f78c6c; }

/* demo content styles (the HTML drawn into canvases) */
.src { position: absolute; }   /* sources positioned by JS transform */

.rt {
  width: 300px; padding: 14px 16px; color: #1a1f2e;
  background: #fff; border-radius: 12px; font-size: 15px;
}
.rt h3 { margin: 0 0 .35rem; font-size: 17px; }
.rt a { color: #2563eb; }
.rt .hl { background: linear-gradient(transparent 55%, #ffe27a 55%); }

.form {
  width: 280px; padding: 18px; background: #fff; border-radius: 14px; color: #1a1f2e;
  font-size: 14px; box-shadow: 0 6px 18px rgba(0,0,0,.18);
}
.form label { display: block; font-weight: 600; margin: .55rem 0 .2rem; font-size: 13px; }
.form input, .form select {
  width: 100%; padding: 8px 10px; border: 1px solid #cbd5e1; border-radius: 8px;
  font: inherit; background: #f8fafc;
}
.form .row { display: flex; gap: 8px; }
.form button {
  margin-top: 12px; width: 100%; padding: 9px; border: 0; border-radius: 8px;
  background: #2563eb; color: #fff; font-weight: 700; cursor: pointer;
}
.form .out { margin-top: 10px; font-size: 12px; color: #475569; min-height: 1.2em; }

.legend {
  width: 150px; background: #fff; border-radius: 10px; padding: 10px 12px;
  color: #1a1f2e; font-size: 13px;
}
.legend .li { display: flex; align-items: center; gap: 8px; margin: 5px 0; }
.legend .sw { width: 12px; height: 12px; border-radius: 3px; flex: none; }
.legend b { display: block; font-size: 12px; margin-bottom: 6px; color: #475569; text-transform: uppercase; letter-spacing: .05em; }

.cardface {
  width: 240px; padding: 22px; border-radius: 18px; color: #fff;
  background: linear-gradient(135deg, #7c3aed, #2563eb 60%, #06b6d4);
  box-shadow: 0 18px 40px rgba(37,99,235,.45);
  font-size: 14px;
}
.cardface h3 { margin: 0 0 6px; font-size: 20px; letter-spacing: -.01em; }
.cardface .num { font-family: var(--mono); font-size: 19px; letter-spacing: .12em; margin: 18px 0 6px; }
.cardface .meta { display: flex; justify-content: space-between; opacity: .85; font-size: 12px; }

.ticker {
  width: 260px; padding: 16px 18px; background: #0f172a; color: #e2e8f0;
  border: 1px solid #1e293b; border-radius: 12px; font-family: var(--mono);
}
.ticker .big { font-size: 30px; font-weight: 700; color: #38bdf8; letter-spacing: .04em; }
.ticker .lbl { font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: #64748b; }
.ticker .bars { display: flex; gap: 3px; align-items: flex-end; height: 28px; margin-top: 10px; }
.ticker .bars span { flex: 1; background: #38bdf8; border-radius: 2px 2px 0 0; }

.poster {
  width: 280px; background: #fff; border-radius: 14px; overflow: hidden; color: #1a1f2e;
}
.poster .hd { padding: 16px 18px; background: linear-gradient(120deg,#ec4899,#f59e0b); color: #fff; }
.poster .hd h3 { margin: 0; font-size: 19px; }
.poster .bd { padding: 14px 18px; font-size: 13px; }
.poster .tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.poster .tags span { background: #f1f5f9; border-radius: 999px; padding: 3px 10px; font-size: 11px; font-weight: 600; }

.fallback {
  display: grid; place-items: center; padding: 1rem; width: 100%;
}
.fallback-note {
  position: absolute; top: 6px; left: 8px; font-size: .62rem; font-weight: 700;
  color: var(--warn); background: rgba(0,0,0,.45); padding: 2px 7px; border-radius: 6px;
  letter-spacing: .04em;
}

.site-foot { padding: 1.5rem 0 3rem; color: var(--ink-dim); font-size: .82rem; border-top: 1px solid var(--line); }
.site-foot code { color: var(--accent); }
.site-foot .links { margin-top: .4rem; }
.site-foot a { color: var(--accent); }

@media (max-width: 560px) {
  .brand h1 { font-size: 1.2rem; }
  .grid { grid-template-columns: 1fr; }
}