:root {
  --bg: #0b1020;
  --card: #151c33;
  --text: #e9eefc;
  --muted: #a8b3d1;
  --accent: #7aa2ff;
  --accent-2: #8ef0c5;
  --border: #2a3558;
  --danger: #ff8f8f;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, sans-serif; background: linear-gradient(180deg, #0b1020 0%, #0d1327 100%); color: var(--text); }
.hero { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 28px; border-bottom: 1px solid var(--border); }
.hero h1 { margin: 0 0 8px; font-size: 32px; }
.hero p { margin: 0; color: var(--muted); max-width: 760px; }
.badge { background: rgba(122,162,255,0.15); border: 1px solid var(--border); color: var(--accent); padding: 10px 14px; border-radius: 999px; font-weight: 700; white-space: nowrap; }
.layout { display: grid; grid-template-columns: repeat(2, minmax(320px, 1fr)); gap: 16px; padding: 24px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: 18px; box-shadow: 0 8px 24px rgba(0,0,0,0.18); }
.wide { grid-column: 1 / -1; }
h2 { margin: 0 0 14px; font-size: 20px; }
h3 { margin: 0 0 8px; font-size: 16px; }
p, li { color: var(--muted); }
label { display: block; margin: 12px 0 6px; color: var(--muted); font-size: 14px; }
select, textarea, input, button { width: 100%; border-radius: 12px; border: 1px solid var(--border); background: #0e1530; color: var(--text); padding: 11px 12px; }
textarea { resize: vertical; min-height: 130px; }
.actions { display: grid; gap: 10px; margin-top: 14px; }
button { cursor: pointer; background: linear-gradient(180deg, var(--accent) 0%, #5f88f8 100%); color: #081022; font-weight: 800; }
button.secondary { background: linear-gradient(180deg, var(--accent-2) 0%, #5fe0af 100%); }
button.warn { background: linear-gradient(180deg, #ffb9b9 0%, var(--danger) 100%); }
pre { white-space: pre-wrap; word-break: break-word; background: #0e1530; padding: 14px; border-radius: 12px; border: 1px solid var(--border); min-height: 250px; overflow: auto; }
code { background: #0e1530; padding: 2px 6px; border-radius: 6px; }
.callout { border: 1px solid var(--border); border-radius: 12px; padding: 12px; background: rgba(255,255,255,0.02); }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(260px, 1fr)); gap: 16px; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } .grid-2 { grid-template-columns: 1fr; } .hero { flex-direction: column; align-items: flex-start; } }