:root {
  color-scheme: dark;
  --bg: #10140f;
  --bg-2: #171d14;
  --line: #2d3828;
  --text: #eef5e6;
  --muted: #a7b59c;
  --lime: #d6ff4a;
  --lime-dim: #243014;
  --coral: #ff6b45;
  --coral-dim: #3a2018;
  --amber: #f0c14a;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(900px 420px at 90% -10%, rgba(214, 255, 74, 0.08), transparent 60%),
    linear-gradient(180deg, #141a12 0%, var(--bg) 280px);
  color: var(--text);
  font: 16px/1.5 "Segoe UI", system-ui, sans-serif;
}

code, .figure, .mono {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

a { color: var(--lime); }

.top, main, footer {
  width: min(1120px, calc(100% - 32px));
  margin-inline: auto;
}

.top {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  padding: 36px 0 12px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--lime);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
}

h1 {
  margin: 0;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.lead {
  max-width: 62ch;
  color: var(--muted);
  font-size: 18px;
}

.stamp {
  margin: 0;
  border: 1px solid var(--lime);
  color: var(--lime);
  padding: 8px 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 12px;
  transform: rotate(2deg);
}

main { display: grid; gap: 16px; padding-bottom: 48px; }

.notice, article, .run {
  background: rgba(23, 29, 20, 0.92);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.notice { padding: 14px 18px; }
.notice p { margin: 0; }

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
}

.links a, button {
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--text);
  padding: 8px 14px;
  text-decoration: none;
}

button { cursor: pointer; font: inherit; }
button:hover, .links a:hover { border-color: var(--lime); }

.grid, .split {
  display: grid;
  gap: 16px;
}

.grid { grid-template-columns: repeat(4, 1fr); }
.split { grid-template-columns: 1fr 1fr; }

article, .run { padding: 18px; }

h2 {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.figure {
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.04em;
}

.muted { color: var(--muted); margin: 6px 0 0; }

.bar {
  height: 10px;
  border-radius: 999px;
  background: #0c100b;
  overflow: hidden;
  margin-top: 12px;
}

.bar span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--lime), #8fb82a);
}

.chips, .attempts { list-style: none; margin: 0; padding: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips li, .key {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 10px;
  word-break: break-all;
}

.keys { display: grid; gap: 8px; }

.run-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

#play[aria-pressed="true"] {
  background: var(--lime);
  color: #142000;
  border-color: var(--lime);
}

.attempts { display: grid; gap: 8px; margin-top: 14px; }

.attempt {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  gap: 12px;
  align-items: start;
  width: 100%;
  text-align: left;
  border-radius: 14px;
  padding: 12px;
}

.attempt.active { border-color: var(--lime); }

.step-no {
  font-family: ui-monospace, Consolas, monospace;
  color: var(--muted);
}

.badge {
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge.allowed { background: var(--lime-dim); color: var(--lime); }
.badge.blocked, .badge.rejected { background: var(--coral-dim); color: var(--coral); }

.detail { margin: 6px 0 0; color: var(--muted); }
.detail a { color: var(--amber); }

.log { display: grid; gap: 8px; }
.log article {
  box-shadow: none;
  padding: 12px;
}

footer {
  padding: 8px 0 32px;
  color: var(--muted);
}

@media (max-width: 900px) {
  .grid, .split { grid-template-columns: 1fr; }
  .top { flex-direction: column; align-items: flex-start; }
  .attempt { grid-template-columns: 32px 1fr; }
  .attempt .badge { grid-column: 2; }
}