:root {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-hover: #334155;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --border: #334155;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

/* Header */
header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  margin-bottom: 2rem;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

nav {
  display: flex;
  gap: 1.5rem;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  transition: transform 0.2s;
}

.card:hover {
  transform: translateY(-2px);
}

.card-title {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.card-value {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card-meta {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Status badges */
.status {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 600;
}

.status-ok {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
}

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

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

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border-radius: 8px;
  overflow: hidden;
}

thead {
  background: var(--bg-hover);
}

th {
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

td {
  padding: 1rem;
  border-top: 1px solid var(--border);
}

tr:hover {
  background: var(--bg-hover);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  transition: background 0.2s;
}

.btn:hover {
  background: var(--primary-dark);
}

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

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

/* Loading */
.loading {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

.spinner {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Error */
.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--danger);
  border-radius: 8px;
  padding: 1rem;
  color: var(--danger);
  margin-bottom: 1.5rem;
}

/* Filters */
.filters {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.filter-group {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.filter-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  cursor: pointer;
}

/* Calendario */
.calendario-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  overflow-x: auto;
}

.reserva-bar {
  margin-bottom: 0.5rem;
  padding: 0.75rem;
  border-radius: 4px;
  font-size: 0.875rem;
  cursor: pointer;
  transition: transform 0.2s;
}

.reserva-bar:hover {
  transform: translateX(4px);
}

.reserva-bar.confirmada {
  background: rgba(16, 185, 129, 0.2);
  border-left: 4px solid var(--success);
}

.reserva-bar.pendiente {
  background: rgba(245, 158, 11, 0.2);
  border-left: 4px solid var(--warning);
}

.reserva-bar.bloqueo {
  background: rgba(148, 163, 184, 0.2);
  border-left: 4px solid var(--text-muted);
}

/* JSON viewer */
.json-viewer {
  background: #000;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  overflow-x: auto;
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  line-height: 1.5;
}

.json-viewer pre {
  margin: 0;
  color: #10b981;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }

  .header-content {
    flex-direction: column;
    gap: 1rem;
  }

  nav {
    flex-direction: column;
    gap: 0.5rem;
  }

  table {
    font-size: 0.875rem;
  }

  th, td {
    padding: 0.75rem 0.5rem;
  }
}