:root {
  --bg: #0f1722;
  --surface: rgba(19, 29, 43, 0.92);
  --surface-soft: rgba(24, 37, 55, 0.9);
  --line: rgba(255, 255, 255, 0.08);
  --text: #edf4fb;
  --muted: #96a8bc;
  --accent: #6fb4ff;
  --accent-strong: #3c89dd;
  --success: #6ed3a7;
  --warning: #f1c46b;
  --radius-lg: 18px;
  --radius-md: 12px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  --font-body: "Aptos", "Segoe UI", sans-serif;
  --font-heading: "Bahnschrift", "Segoe UI Semibold", sans-serif;
  --font-code: "Cascadia Code", "Consolas", monospace;
}

* { box-sizing: border-box; }
html {
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(111, 180, 255, 0.18), transparent 28%),
    linear-gradient(180deg, #111927 0%, #0b121b 100%);
}
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-body);
}
.app-shell {
  width: min(1100px, calc(100vw - 24px));
  margin: 24px auto;
  display: grid;
  gap: 18px;
}
.card, .banner {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.card {
  padding: 22px;
}
.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 11px;
  color: var(--accent);
  font-weight: 700;
}
.title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1;
}
.subtitle, .muted {
  color: var(--muted);
}
.subtitle {
  margin: 10px 0 0;
  max-width: 780px;
  line-height: 1.6;
}
.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.stack { display: grid; gap: 12px; }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.input, .button, .ghost-button {
  font: inherit;
  border-radius: var(--radius-md);
}
.input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  color: var(--text);
}
.button, .ghost-button {
  cursor: pointer;
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid transparent;
  font-weight: 700;
}
.button {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #07111c;
}
.ghost-button {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}
.badge.success {
  color: var(--success);
  background: rgba(110, 211, 167, 0.08);
}
.badge.warning {
  color: var(--warning);
  background: rgba(241, 196, 107, 0.08);
}
.field { display: grid; gap: 8px; }
.field label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.server-list { display: grid; gap: 12px; }
.server-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  padding: 16px;
}
.code-block {
  margin: 0;
  padding: 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.18);
  overflow: auto;
  font-family: var(--font-code);
  font-size: 13px;
  line-height: 1.55;
}
.banner {
  padding: 14px 18px;
  font-weight: 700;
}
.banner.error { color: #ffb5b5; }
.empty {
  padding: 26px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-md);
  color: var(--muted);
}
@media (max-width: 760px) {
  .grid { grid-template-columns: 1fr; }
  .app-shell { width: min(100vw - 16px, 1100px); margin: 12px auto 18px; }
}