:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --border: #2d3a4f;
  --text: #e8edf4;
  --muted: #8b9cb3;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
  --radius: 10px;
  --font: "Segoe UI", system-ui, sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

.header {
  background: linear-gradient(135deg, #1e3a5f 0%, #0f1419 100%);
  padding: 2rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.header h1 {
  font-size: 1.75rem;
  font-weight: 600;
}

.subtitle {
  color: var(--muted);
  margin-top: 0.25rem;
  font-size: 0.95rem;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

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

.card h2 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.card p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
}

input[type="date"],
input[type="number"] {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.95rem;
  min-width: 160px;
}

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

.btn {
  border: none;
  border-radius: 6px;
  padding: 0.55rem 1.1rem;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}

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

.btn-primary {
  background: var(--primary);
  color: white;
}

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

.btn-secondary {
  background: var(--border);
  color: var(--text);
}

.btn-secondary:hover:not(:disabled) {
  background: #3d4f6a;
}

.btn-success {
  background: var(--success);
  color: #052e16;
}

.btn-success:hover:not(:disabled) {
  filter: brightness(1.1);
}

.status-badge {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.status-badge.ok {
  background: rgba(34, 197, 94, 0.2);
  color: var(--success);
}

.status-badge.error {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger);
}

.status-badge.loading {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning);
}

.status-details {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 1rem;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.status-details dt {
  color: var(--muted);
}

.hidden {
  display: none !important;
}

.message {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
}

.message.success {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
}

.message.error {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
}

.table-summary {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0.75rem 0 0.5rem;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
}

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

th,
td {
  padding: 0.6rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background: var(--bg);
  color: var(--muted);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

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

td.empty {
  text-align: center;
  color: var(--muted);
  padding: 1.5rem;
}

.footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--muted);
  font-size: 0.8rem;
}

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

.section-head h2 {
  margin-bottom: 0;
}

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

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.sync-per-reloj {
  margin-top: 0.25rem;
}

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

.relojes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.reloj-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
}

.reloj-card header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.reloj-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
}

.reloj-host {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.reloj-meta {
  list-style: none;
  font-size: 0.85rem;
}

.reloj-meta li {
  display: flex;
  justify-content: space-between;
  padding: 0.2rem 0;
  border-bottom: 1px solid var(--border);
}

.reloj-meta li:last-child {
  border-bottom: none;
}

.reloj-meta span {
  color: var(--muted);
}

.reloj-error {
  color: #fca5a5;
  font-size: 0.85rem;
}

select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.95rem;
  min-width: 180px;
}