:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --border: #2d3a4f;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --danger: #ef4444;
  --success: #22c55e;
  --banner: #1e3a2f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

header h1 {
  margin: 0 0 0.25rem;
  font-size: 1.75rem;
  font-weight: 600;
}

.subtitle {
  margin: 0 0 1.5rem;
  color: var(--muted);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}

.card h2, .card h3 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
}

label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.875rem;
  color: var(--muted);
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
}

input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

button {
  padding: 0.6rem 1rem;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
}

button:hover {
  background: var(--accent-hover);
}

button.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

button.secondary:hover {
  background: var(--border);
}

button.small {
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
}

button.danger {
  background: transparent;
  border: 1px solid var(--danger);
  color: var(--danger);
}

button.danger:hover {
  background: rgba(239, 68, 68, 0.15);
}

#login-form button {
  margin-top: 0.75rem;
  width: 100%;
}

.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.row h2 {
  margin: 0;
}

.create-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.create-form input {
  flex: 1;
}

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stats .label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.stats .value {
  font-size: 1rem;
}

.mono {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.85rem;
  word-break: break-all;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  text-align: left;
  padding: 0.65rem 0.5rem;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

tr.revoked td {
  opacity: 0.5;
}

.banner {
  background: var(--banner);
  border: 1px solid #2d5a45;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
}

.banner code {
  display: block;
  margin: 0.5rem 0;
  padding: 0.5rem;
  background: var(--bg);
  border-radius: 6px;
  word-break: break-all;
  font-size: 0.85rem;
}

.usage-hint code {
  display: inline-block;
  padding: 0.2rem 0.45rem;
  background: var(--bg);
  border-radius: 4px;
  font-size: 0.85rem;
}

.error {
  color: var(--danger);
  margin-top: 0.75rem;
  font-size: 0.9rem;
}

.muted {
  color: var(--muted);
  font-size: 0.9rem;
}

.hidden {
  display: none !important;
}

@media (max-width: 600px) {
  .stats {
    grid-template-columns: 1fr;
  }

  .create-form {
    flex-direction: column;
  }

  table {
    font-size: 0.8rem;
  }
}