:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --text: #eef2ff;
  --muted: #94a3b8;
  --primary: #38bdf8;
  --primary-strong: #0ea5e9;
  --danger: #f87171;
  --ok: #4ade80;
  --radius: 16px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(56, 189, 248, 0.12), transparent 35%),
    var(--bg);
  color: var(--text);
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

code,
.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  background: rgba(11, 16, 32, 0.85);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--primary);
  font-weight: 700;
}

.brand p,
.muted {
  color: var(--muted);
  margin: 0;
}

.hint {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.nav {
  display: flex;
  gap: 0.75rem;
  margin-right: auto;
}

.nav a {
  color: var(--muted);
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
}

.nav a.active,
.nav a:hover {
  color: var(--text);
  background: var(--panel);
  text-decoration: none;
}

.container {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.hero h1,
.panel h1 {
  margin: 0.4rem 0 0;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.hero.compact h1 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
}

.lead {
  color: var(--muted);
  max-width: 60ch;
  line-height: 1.6;
}

.panel,
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel {
  padding: 1.5rem;
}

.panel.narrow {
  max-width: 28rem;
}

.stack {
  display: grid;
  gap: 1rem;
}

label {
  display: grid;
  gap: 0.4rem;
  font-size: 0.92rem;
}

input[type="email"],
input[type="password"],
input[type="text"],
input[type="number"],
input[type="file"],
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  padding: 0.75rem 0.9rem;
}

textarea {
  min-height: 6rem;
  resize: vertical;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.btn {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  padding: 0.65rem 1rem;
  cursor: pointer;
  font: inherit;
}

.btn:hover {
  border-color: rgba(255, 255, 255, 0.18);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  border-color: transparent;
  color: #04111f;
  font-weight: 600;
}

.btn-ghost {
  background: transparent;
}

.btn-small {
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
}

.grid.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.grid.two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.card {
  padding: 1.25rem;
  color: inherit;
}

.card:hover {
  border-color: rgba(56, 189, 248, 0.35);
  text-decoration: none;
}

.muted-card {
  opacity: 0.72;
}

.card-tag {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  text-align: left;
  padding: 0.9rem 0.5rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
}

.badge.ok {
  background: rgba(74, 222, 128, 0.15);
  color: var(--ok);
}

.badge.warn {
  background: rgba(248, 113, 113, 0.15);
  color: var(--danger);
}

.callout {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(56, 189, 248, 0.08);
}

.callout.warn {
  background: rgba(248, 113, 113, 0.08);
}

.error {
  color: var(--danger);
}

.hidden {
  display: none;
}

.truncate {
  max-width: 18rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.back {
  display: inline-block;
  margin-bottom: 0.5rem;
  color: var(--muted);
}

@media (max-width: 720px) {
  .topbar {
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
  }
}