:root {
  color-scheme: dark;
  --bg: #08111f;
  --panel: #101d31;
  --panel-2: #14243d;
  --text: #e9f0fb;
  --muted: #9fb0c8;
  --accent: #63d3ff;
  --accent-2: #91f2c7;
  --danger: #ff7d8a;
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 16px 50px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, rgba(99, 211, 255, 0.18), transparent 34rem), var(--bg);
  color: var(--text);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.shell { width: min(1180px, calc(100vw - 32px)); margin: 0 auto; padding: 28px 0 56px; }
.hero { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; margin-bottom: 24px; }
.eyebrow { color: var(--accent-2); text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 800; }
h1 { margin: 6px 0 8px; font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1; }
h2 { margin: 0 0 14px; }
h3 { margin: 0 0 10px; }
p { color: var(--muted); line-height: 1.55; }

.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.card { grid-column: span 6; background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.015)), var(--panel); border: 1px solid var(--border); border-radius: 18px; padding: 18px; box-shadow: var(--shadow); }
.card.full { grid-column: 1 / -1; }
.card.third { grid-column: span 4; }
@media (max-width: 820px) { .hero, .grid { display: block; } .card { margin-bottom: 16px; } }

label { display: block; color: var(--muted); font-size: .86rem; font-weight: 700; margin: 12px 0 6px; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.22);
  color: var(--text);
  padding: 10px 12px;
  font: inherit;
}
textarea { min-height: 120px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
button, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  color: #06111d;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  padding: 10px 16px;
  margin-top: 12px;
  font-weight: 900;
  cursor: pointer;
  text-decoration: none;
}
button.secondary, .button.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 14px; }
table { width: 100%; border-collapse: collapse; min-width: 680px; }
th, td { padding: 11px 12px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
tr:last-child td { border-bottom: 0; }

.code, pre {
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  color: #d9f7ff;
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .88rem;
}
.code.inline { display: inline-block; padding: 3px 7px; border-radius: 8px; }
.badge { display: inline-flex; align-items: center; border: 1px solid var(--border); border-radius: 999px; padding: 4px 9px; color: var(--muted); font-size: .78rem; font-weight: 800; }
.badge.ok { color: var(--accent-2); }
.badge.warn { color: var(--danger); }
.muted { color: var(--muted); }
.stack { display: grid; gap: 12px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.small { font-size: .88rem; }


/* Pass 2: keep the happy path obvious and hide the knobs until needed. */
details.advanced {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  background: rgba(0, 0, 0, 0.14);
  margin-top: 14px;
}
details.advanced > summary {
  cursor: pointer;
  color: var(--accent-2);
  font-weight: 900;
  list-style-position: inside;
}
details.advanced[open] > summary { margin-bottom: 12px; }
.card.full form { max-width: 760px; }