:root {
  color-scheme: dark;
  --bg: #08110f;
  --panel: #0f1d19;
  --muted: #89a79c;
  --text: #effaf5;
  --accent: #51d88a;
  --accent-2: #ffe08a;
  --border: #244239;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(circle at top left, #173a2c, var(--bg) 42%); color: var(--text); }
.shell { max-width: 1180px; margin: 0 auto; padding: 32px 18px; }
.hero { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; margin-bottom: 24px; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .16em; font-size: 12px; font-weight: 700; }
h1 { font-size: clamp(34px, 7vw, 72px); line-height: .95; margin: 0; }
h2 { margin-top: 0; }
.subtitle { max-width: 720px; color: var(--muted); font-size: 18px; }
.status { border: 1px solid var(--border); color: var(--accent-2); padding: 10px 14px; border-radius: 999px; white-space: nowrap; }
.card { background: color-mix(in srgb, var(--panel) 92%, black); border: 1px solid var(--border); border-radius: 22px; padding: 22px; box-shadow: 0 24px 80px rgba(0,0,0,.28); }
.hidden { display: none !important; }
.form { display: grid; gap: 12px; max-width: 460px; }
.form.inline { display: flex; max-width: none; flex-wrap: wrap; }
input, textarea, select { width: 100%; border: 1px solid var(--border); background: #091511; color: var(--text); border-radius: 14px; padding: 13px 14px; font: inherit; }
textarea { resize: vertical; }
button { border: 0; background: var(--accent); color: #04100a; font-weight: 800; border-radius: 14px; padding: 12px 16px; cursor: pointer; }
button.secondary, button:disabled { background: #1b312b; color: var(--muted); }
button:disabled { cursor: not-allowed; }
.error { color: #ff9b9b; }
.tabs { display: flex; gap: 10px; flex-wrap: wrap; margin: 0 0 18px; }
.tabs button.active { outline: 2px solid var(--accent-2); }
.tab { display: none; }
.tab.active { display: block; }
.output { white-space: pre-wrap; min-height: 160px; background: #07110e; border: 1px solid var(--border); border-radius: 16px; padding: 16px; overflow: auto; }
.list { list-style: none; padding: 0; display: grid; gap: 10px; }
.list li { border: 1px solid var(--border); border-radius: 14px; padding: 12px; display: flex; justify-content: space-between; gap: 16px; }
.list span { color: var(--muted); }
@media (max-width: 720px) { .hero { display: block; } .status { display: inline-block; margin-top: 12px; } }