:root {
  color-scheme: dark;
  --bg: #0d1117;
  --panel: #151b23;
  --panel-2: #1b2330;
  --text: #eef3f8;
  --muted: #9fb0c2;
  --line: #2b3747;
  --accent: #8bd3ff;
  --accent-2: #b3f5cb;
  --warn: #ffd27d;
  --error: #ff9e9e;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 20% 0%, #172235 0, var(--bg) 42rem);
  color: var(--text);
}

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

.shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 48px 0;
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.02));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 18px 50px rgba(0,0,0,.22);
}

.hero { padding: 36px; margin-bottom: 20px; }
.compact { padding: 24px; }

.eyebrow {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
  margin: 0 0 10px;
}

h1, h2 { line-height: 1.08; margin: 0 0 14px; }
h1 { font-size: clamp(2.25rem, 6vw, 4.7rem); max-width: 900px; }
h2 { font-size: 1.2rem; }

.lead { color: var(--muted); max-width: 760px; font-size: 1.12rem; }
.muted { color: var(--muted); }
.hidden { display: none !important; }

.status-pill {
  display: inline-flex;
  border: 1px solid rgba(139, 211, 255, .45);
  color: var(--accent);
  border-radius: 999px;
  padding: 8px 12px;
  font-weight: 700;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 16px;
}

.side { display: grid; gap: 16px; align-content: start; }

.facts {
  display: grid;
  grid-template-columns: minmax(150px, .7fr) minmax(0, 1fr);
  gap: 8px 14px;
  margin: 0;
}

.facts dt { color: var(--muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; }

.button {
  appearance: none;
  border: 0;
  background: var(--accent);
  color: #08111b;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  margin: 6px 6px 6px 0;
}

.secondary {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
}

form { display: grid; gap: 12px; }
label { color: var(--text); display: block; }
textarea {
  width: 100%;
  color: var(--text);
  background: #0b1017;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  resize: vertical;
}

.messages {
  display: grid;
  gap: 12px;
  margin-bottom: 16px;
}

.message {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.035);
}

.message.user { border-color: rgba(139, 211, 255, .5); }
.message.system { border-color: rgba(179, 245, 203, .45); }
.decision { color: var(--warn); font-weight: 800; }
.error { color: var(--error); min-height: 1.2em; }

.starter-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.starter-list button { font-size: .9rem; }

.summary {
  white-space: pre-wrap;
  overflow: auto;
  max-height: 280px;
  color: var(--muted);
}

@media (max-width: 900px) {
  .grid, .layout { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; }
}