/* Admin Panel Stylesheet - Checador PWA */
:root {
  --bg-color: #0b1120;
  --panel-bg: #151f32;
  --card-bg: #1e293b;
  --border-color: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  
  --blue-primary: #2563eb;
  --blue-hover: #1d4ed8;
  --red-accent: #dc2626;
  --red-hover: #b91c1c;
  
  --success-color: #10b981;
  --warning-color: #f59e0b;
}

[data-theme="light"] {
  --bg-color: #f1f5f9;
  --panel-bg: #ffffff;
  --card-bg: #f8fafc;
  --border-color: #cbd5e1;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --blue-primary: #0056b3;
  --red-accent: #c82333;
}

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

body {
  background: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.admin-header {
  background: var(--panel-bg);
  border-bottom: 2px solid var(--border-color);
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-tabs {
  display: flex;
  gap: 10px;
  background: var(--panel-bg);
  padding: 10px 24px;
  border-bottom: 1px solid var(--border-color);
}

.tab-btn {
  padding: 10px 20px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-muted);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.admin-content {
  flex: 1;
  padding: 24px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.tab-section {
  display: none;
}

.tab-section.active {
  display: block;
}

.grid-2col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 900px) {
  .grid-2col {
    grid-template-columns: 420px 1fr;
  }
}

.card {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
}

.form-control:focus {
  border-color: var(--blue-primary);
}

.camera-preview-box {
  width: 100%;
  aspect-ratio: 4/3;
  background: #000;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  border: 1px solid var(--border-color);
  margin-bottom: 12px;
}

.camera-preview-box video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
}

.btn-action {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: none;
  background: var(--blue-primary);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 8px;
}

.btn-action:hover {
  filter: brightness(1.1);
}

.btn-action.danger {
  background: var(--red-accent);
}

.table-responsive {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

th, td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9rem;
}

th {
  background: var(--card-bg);
  color: var(--text-muted);
  font-weight: 600;
}

.user-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-color);
}

.badge {
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 700;
}

.badge-entrada {
  background: rgba(37, 99, 235, 0.2);
  color: var(--blue-primary);
  border: 1px solid var(--blue-primary);
}

.badge-salida {
  background: rgba(220, 38, 38, 0.2);
  color: var(--red-accent);
  border: 1px solid var(--red-accent);
}