:root {
  color-scheme: dark;
  --bg: #101419;
  --panel: #171d24;
  --panel-2: #1e2630;
  --text: #edf2f7;
  --muted: #95a3b3;
  --line: #2a3541;
  --accent: #38bdf8;
  --danger: #fb7185;
  --ok: #34d399;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 0;
  border-radius: 6px;
  padding: 10px 14px;
  background: var(--accent);
  color: #041014;
  cursor: pointer;
  font-weight: 700;
}

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

button.danger {
  background: var(--danger);
  color: #19070b;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  background: #0f141a;
  color: var(--text);
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 22px;
}

h2 {
  font-size: 16px;
}

.hidden {
  display: none !important;
}

.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(420px, 100%);
}

.login form,
.panel form {
  display: grid;
  gap: 14px;
}

.app {
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.topbar,
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar {
  margin-bottom: 20px;
}

.topbar p {
  margin-top: 4px;
  color: var(--muted);
}

.muted {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.panel {
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: var(--panel);
}

.filters {
  display: grid;
  grid-template-columns: 180px 140px auto;
  gap: 10px;
}

.table-wrap {
  margin-top: 14px;
  overflow-x: auto;
}

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

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

th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

tbody tr {
  cursor: pointer;
}

tbody tr:hover {
  background: var(--panel-2);
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 3px 8px;
  background: var(--panel-2);
  color: var(--muted);
  font-size: 12px;
}

.badge.active,
.badge.unused {
  color: var(--ok);
}

.badge.revoked,
.badge.expired {
  color: var(--danger);
}

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

.success {
  color: var(--ok);
}

.form-status {
  min-height: 20px;
  font-size: 13px;
}

textarea {
  min-height: 160px;
  margin-top: 12px;
  resize: vertical;
  font-family: Consolas, monospace;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 14px 0;
}

.metric {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #111820;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 4px;
}

.actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 12px 0;
}

.compact-actions {
  margin: 0;
}

.delete-confirm {
  display: grid;
  gap: 12px;
  margin: 12px 0 18px;
  border: 1px solid rgba(251, 113, 133, 0.45);
  border-radius: 8px;
  padding: 14px;
  background: rgba(251, 113, 133, 0.08);
}

.delete-confirm p {
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 760px) {
  .grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .topbar,
  .panel-head {
    align-items: stretch;
    flex-direction: column;
  }

  .filters {
    grid-template-columns: 1fr;
    width: 100%;
  }
}