:root {
  --bg: #0f1620;
  --panel: #16202c;
  --panel-2: #1c2836;
  --border: #263241;
  --text: #e6edf3;
  --muted: #8a97a6;
  --accent: #4f8cff;
  --accent-hover: #3d78ea;
  --danger: #e5534b;
  --good: #3fb950;
  --warn: #d29922;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

h1, h2 { margin: 0 0 4px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hint {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

form {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: end;
  margin-top: 12px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  flex: 1 1 200px;
}

input, select {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 14px;
}

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

button {
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  background: var(--accent);
  color: white;
}

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

button.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 500;
}

button.ghost:hover { background: var(--panel-2); }

button.small { padding: 6px 10px; font-size: 12px; }

button.danger { color: var(--danger); border-color: var(--danger); }

button.link-btn {
  background: transparent;
  color: var(--accent);
  padding: 4px 0;
  font-weight: 500;
}

.error {
  color: var(--danger);
  font-size: 13px;
  margin-top: 8px;
}

.table-wrap { overflow-x: auto; margin-top: 12px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th { color: var(--muted); font-weight: 600; }

td.empty { color: var(--muted); text-align: center; padding: 24px; }

code {
  background: var(--panel-2);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
}

.badge {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.status-active { background: rgba(63, 185, 80, 0.15); color: var(--good); }
.status-expired { background: rgba(210, 153, 34, 0.15); color: var(--warn); }
.status-revoked { background: rgba(229, 83, 75, 0.15); color: var(--danger); }

/* Login */
.login-body {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 100%;
  max-width: 360px;
}

.login-card .subtitle {
  color: var(--muted);
  font-size: 13px;
  margin: 4px 0 20px;
}

.login-card form {
  flex-direction: column;
  align-items: stretch;
}

.login-card button { margin-top: 4px; }