*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface-hover: #20243a;
  --border: #2a2d3a;
  --accent: #4f8ef7;
  --accent-hover: #3b7de8;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --text: #e2e8f0;
  --muted: #64748b;
  --radius: 6px;
  --radius-lg: 10px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

/* ── Nav ─────────────────────────────────────────────── */
nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 0;
  height: 52px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-weight: 700;
  font-size: 15px;
  color: var(--accent);
  margin-right: 32px;
  text-decoration: none;
  letter-spacing: -0.3px;
}

.nav-brand span {
  color: var(--muted);
  font-weight: 400;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0 14px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

nav a:hover {
  color: var(--text);
}

nav a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ── Layout ──────────────────────────────────────────── */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.page-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
}

.page-subtitle {
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}

/* ── Cards ───────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 20px;
}

.card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
}

.stat-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  margin-bottom: 6px;
}

.stat-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.stat-sub {
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
  word-break: break-all;
}

/* ── Tables ──────────────────────────────────────────── */
.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

thead th {
  background: var(--bg);
  color: var(--muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
  cursor: default;
}

tbody tr:last-child {
  border-bottom: none;
}

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

tbody tr.clickable {
  cursor: pointer;
}

td {
  padding: 11px 16px;
  vertical-align: middle;
  color: var(--text);
}

td.muted {
  color: var(--muted);
}

td.mono {
  font-family: 'SF Mono', ui-monospace, monospace;
  font-size: 12px;
}

/* ── Badges ──────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.badge-success {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-muted {
  background: rgba(100, 116, 139, 0.15);
  color: var(--muted);
  border: 1px solid rgba(100, 116, 139, 0.3);
}

.badge-accent {
  background: rgba(79, 142, 247, 0.15);
  color: var(--accent);
  border: 1px solid rgba(79, 142, 247, 0.3);
}

.badge-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.badge-warning.badge-pulse::before {
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, opacity 0.15s;
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.4);
}

.btn-danger:hover:not(:disabled) {
  background: rgba(239, 68, 68, 0.1);
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border-color: var(--border);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--surface-hover);
  color: var(--text);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 11px;
}

.btn-group {
  display: flex;
  gap: 6px;
  align-items: center;
}

/* ── Filter buttons ──────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  transition: all 0.15s;
}

.filter-btn:hover {
  color: var(--text);
  border-color: var(--muted);
}

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ── Loading spinner ─────────────────────────────────── */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
  flex-shrink: 0;
}

.spinner-lg {
  width: 28px;
  height: 28px;
  border-width: 3px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-row td {
  text-align: center;
  padding: 40px;
  color: var(--muted);
}

.empty-row td {
  text-align: center;
  padding: 40px;
  color: var(--muted);
}

/* ── Toast ───────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1000;
  pointer-events: none;
}

.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 12px 18px;
  font-size: 13px;
  color: var(--text);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  pointer-events: all;
  animation: slideIn 0.2s ease-out;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 360px;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--accent); }

@keyframes slideIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideOut {
  to { opacity: 0; transform: translateY(8px); }
}

/* ── Misc ────────────────────────────────────────────── */
a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius);
  color: var(--muted);
  border: 1px solid var(--border);
  transition: all 0.15s;
  text-decoration: none;
  font-size: 13px;
}

.icon-link:hover {
  color: var(--text);
  background: var(--surface-hover);
  text-decoration: none;
}

.health-ok {
  color: var(--success);
  font-weight: 600;
}

.health-err {
  color: var(--danger);
  font-weight: 600;
}

.refresh-info {
  font-size: 12px;
  color: var(--muted);
}

.confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.confirm-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  max-width: 400px;
  width: 90%;
}

.confirm-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
}

.confirm-msg {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 24px;
}

.confirm-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.tag-mono {
  font-family: 'SF Mono', ui-monospace, monospace;
  font-size: 11px;
  background: rgba(100,116,139,0.15);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--muted);
}