:root {
  --control-bg: #0f172a;
  --control-card: #1e293b;
  --control-border: #334155;
  --control-text: #f8fafc;
  --control-muted: #94a3b8;
  --control-accent: #eab308; /* Dorado / Amarillo oficial del logotipo */
  --control-success: #10b981;
  --control-danger: #ef4444;
  --control-warning: #f59e0b;
}

body.light-mode {
  --control-bg: #f8fafc;
  --control-card: #ffffff;
  --control-border: #e2e8f0;
  --control-text: #0f172a;
  --control-muted: #64748b;
  --control-accent: #ca8a04; /* Tono dorado más oscuro para modo claro */
  --control-success: #059669;
  --control-danger: #dc2626;
  --control-warning: #d97706;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

body {
  background-color: var(--control-bg);
  color: var(--control-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.main-header {
  background: var(--control-card);
  border-bottom: 1px solid var(--control-border);
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.main-header h2 {
  font-size: 1.25rem;
  color: var(--control-text);
}

.main-content {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

.overview-table-section {
  background: var(--control-card);
  border: 1px solid var(--control-border);
  border-radius: 16px;
  padding: 25px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.section-heading-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 20px;
}

.section-kicker {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--control-accent);
  font-weight: 700;
  margin-bottom: 4px;
}

.overview-table-description {
  font-size: 0.85rem;
  color: var(--control-muted);
  margin-top: 4px;
}

.overview-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 15px;
}

.overview-metric {
  background: var(--control-bg);
  border: 1px solid var(--control-border);
  padding: 18px;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.overview-metric span { font-size: 0.8rem; color: var(--control-muted); font-weight: 600; }
.overview-metric strong { font-size: 1.5rem; color: var(--control-text); }
.overview-metric small { font-size: 0.75rem; color: var(--control-muted); }

.overview-table-scroll {
  overflow-x: auto;
  margin-top: 15px;
}

.overview-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.overview-table th, .overview-table td {
  padding: 12px 15px;
  border-bottom: 1px solid var(--control-border);
  color: var(--control-text);
}

.overview-table th {
  background: var(--control-bg);
  color: var(--control-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
}

.overview-table tbody tr:hover { background: rgba(59, 130, 246, 0.04); }

.btn-primary, .btn-secondary, .btn-success {
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.btn-primary { background: var(--control-accent); color: #fff; }
.btn-primary:hover { opacity: 0.9; }
.btn-secondary { background: var(--control-card); color: var(--control-text); border-color: var(--control-border); }
.btn-secondary:hover { opacity: 0.8; }
.btn-success { background: var(--control-success); color: #fff; }

.badge {
  background: rgba(59, 130, 246, 0.15);
  color: var(--control-accent);
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  display: inline-block;
}

.modal-backdrop {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  padding: 20px;
}

.modal-card {
  background: var(--control-card);
  border: 1px solid var(--control-border);
  border-radius: 16px;
  width: 100%;
  max-width: 820px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.form-grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 15px;
  margin-top: 15px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label { font-size: 0.8rem; color: var(--control-muted); font-weight: 600; }
.form-group input, .form-group select {
  background: var(--control-bg);
  border: 1px solid var(--control-border);
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--control-text);
  font-size: 0.9rem;
  outline: none;
}
.form-group input:focus, .form-group select:focus { border-color: var(--control-accent); }

@media (max-width: 760px) {
  .main-header {
    gap: 8px;
    padding: 6px 10px;
  }

  .main-header > div:first-child {
    min-width: 0;
    gap: 8px !important;
  }

  .main-header > div:first-child > div {
    min-width: 0;
    gap: 6px !important;
  }

  .main-header > div:first-child img {
    width: 30px;
    height: 30px !important;
  }

  .main-header h2 {
    font-size: .85rem;
    white-space: nowrap;
  }

  .main-header > div:last-child {
    flex: 0 0 auto;
    gap: 5px !important;
  }

  .main-header > div:last-child #userName,
  .main-header > div:last-child #userRole,
  .main-header > div:last-child #btnLogout {
    display: none;
  }
}