/* 
 * Backend Unified Stylesheet
 * Project: Academia LMS
 * Theme: Policia Local CLM (Corporate)
 * Uses assets/css/colores-corporativos.css
 */
@import 'colores-corporativos.css';

:root {

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;

  /* Dimensions */
  --sidebar-width: 260px;
  --header-height: 64px;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  margin: 0;
  line-height: 1.5;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin-top: 0;
  color: var(--secondary-color);
  font-weight: 700;
}

h1 {
  font-size: 1.875rem;
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

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

a:hover {
  color: var(--primary-dark);
}

/* Layout Structure */
.app-container {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  color: var(--text-light);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 50;
  transition: transform 0.3s ease-in-out;
  overflow-y: auto;
}

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: var(--spacing-xl);
  transition: margin-left 0.3s ease-in-out;
  display: flex;
  flex-direction: column;
}

/* Header (Mobile mostly) */
.admin-header {
  display: none;
  /* Hidden on desktop by default as sidebar handles nav */
  background: var(--bg-card);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
  border-radius: var(--radius-md);
}

/* Sidebar Styling */
.sidebar-header {
  padding: var(--spacing-lg);
  display: flex;
  justify-content: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-img {
  width: 120px;
  /* Fixed width for consistency */
  height: 120px;
  /* Fixed height for circle */
  object-fit: cover;
  /* Ensure image doesn't distort */
  border-radius: 50%;
  /* Make it circular */
  border: 4px solid rgba(255, 255, 255, 0.1);
}

.sidebar-nav {
  padding: var(--spacing-md) 0;
  flex: 1;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.nav-link:hover,
.nav-link.active {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-light);
}

.nav-link.active {
  border-left-color: var(--primary-color);
  background-color: rgba(42, 157, 143, 0.1);
}

.nav-link svg {
  margin-right: var(--spacing-md);
  width: 20px;
  height: 20px;
}

/* Components */

/* Cards */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  border: 1px solid var(--border-color);
}

/* Summary Cards (Dashboard/Stats) */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background: var(--bg-card);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--primary-color);
  display: flex;
  flex-direction: column;
}

.stat-card h3 {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-xs);
}

.stat-card .value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-main);
}

/* Tables */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  white-space: nowrap;
}

.data-table th,
.data-table td {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  border-bottom: 1px solid var(--divider-color);
}

.data-table th {
  background-color: #f8fafc;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-table tbody tr:hover {
  background-color: #f9fafb;
}

.data-table .text-right {
  text-align: right;
}

.data-table .text-center {
  text-align: center;
}

/* Forms & Filters */
.filters-toolbar {
  background: var(--bg-card);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-lg);
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--spacing-md);
  border: 1px solid var(--border-color);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  flex: 1;
  min-width: 200px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-main);
}

.form-control {
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  background-color: #fff;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.1);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  font-size: 0.95rem;
  text-decoration: none;
  gap: var(--spacing-sm);
}

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

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

.btn-secondary {
  background-color: #edf2f7;
  color: var(--text-main);
}

.btn-secondary:hover {
  background-color: #e2e8f0;
  color: var(--text-main);
}

.btn-danger {
  background-color: #fed7d7;
  color: #c53030;
}

.btn-danger:hover {
  background-color: #feb2b2;
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-muted);
  padding: var(--spacing-xs) var(--spacing-sm);
}

.btn-ghost:hover {
  background-color: #edf2f7;
  color: var(--primary-color);
}

.btn-icon {
  padding: var(--spacing-xs);
  border-radius: 50%;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-lg);
}

.pagination-link {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: white;
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.875rem;
}

.pagination-link:hover {
  background-color: #f7fafc;
}

.pagination-link.active {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* Utility Classes */
.text-danger {
  color: var(--danger-color);
}

.text-success {
  color: var(--success-color);
}

.text-warning {
  color: var(--warning-color);
}

.bg-danger-light {
  background-color: #fff5f5;
}

.bg-success-light {
  background-color: #f0fff4;
}

.d-flex {
  display: flex;
}

.align-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.mb-4 {
  margin-bottom: var(--spacing-lg);
}

.mt-4 {
  margin-top: var(--spacing-lg);
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 0px;
    /* Sidebar handled via JS/Overlay on tablet/mobile */
  }

  .sidebar {
    transform: translateX(-100%);
    width: 260px;
    /* Force width when open */
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    padding: var(--spacing-md);
  }

  .admin-header {
    display: flex;
    /* Show hamburger */
  }
}

@media (max-width: 768px) {
  .filters-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .form-group {
    min-width: 100%;
  }

  .btn {
    width: 100%;
    margin-bottom: var(--spacing-sm);
  }

  /* Make tables horizontally scrollable */
  .table-container {
    box-shadow: none;
    border: none;
  }

  .d-none-mobile {
    display: none !important;
  }
}

@media (min-width: 769px) {
  .d-none-desktop {
    display: none !important;
  }
}

/* Authentication Pages (Login) */
.auth-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-color: var(--bg-body);
  background-image: linear-gradient(135deg, var(--color-corporativo-azul) 0%, var(--bg-body) 100%);
  /* Corporate touch */
}

.login-card {
  width: 100%;
  max-width: 400px;
  padding: 2.5rem;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: center;
  border-top: 5px solid var(--secondary-color);
  /* Corporate yellow accent */
}

.login-logo {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 2rem;
  border: 4px solid var(--secondary-color);
  /* Corporate ring */
}

.login-title {
  margin-bottom: 1.5rem;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.5rem;
}