/**
 * B.D. Jain Modern School - Admin Dashboard Stylesheet
 */

:root {
  --admin-primary: #0f1d30;
  --admin-primary-dark: #070d17;
  --admin-secondary: #1d3557;
  --admin-accent: #e63946;
  --admin-accent-hover: #d62828;
  --admin-success: #10b981;
  --admin-warning: #f59e0b;
  --admin-danger: #ef4444;
  --admin-bg: #f8fafc;
  --admin-card-bg: #ffffff;
  --admin-border: #e2e8f0;
  --admin-text-main: #1e293b;
  --admin-text-muted: #64748b;
  --admin-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(15,29,48,0.08);
  --shadow-lg: 0 10px 25px rgba(15,29,48,0.12);
  --radius: 10px;
}

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

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

/* Auth / Login Page */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #0b1522 0%, #1d3557 100%);
  padding: 1.5rem;
}

.login-card {
  background: #ffffff;
  width: 100%;
  max-width: 420px;
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  overflow: hidden;
}

.login-header {
  padding: 2.25rem 2rem 1.5rem;
  text-align: center;
  background: #ffffff;
}

.login-logo {
  height: 64px;
  margin-bottom: 1rem;
}

.login-header h1 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--admin-primary);
  margin-bottom: 0.25rem;
}

.login-header p {
  font-size: 0.85rem;
  color: var(--admin-text-muted);
}

.login-form {
  padding: 0 2rem 2.25rem;
}

/* Layout */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
  width: 260px;
  background: var(--admin-primary);
  color: #e2e8f0;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: all 0.3s ease;
  z-index: 100;
}

.sidebar-brand {
  padding: 1.5rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo {
  height: 38px;
  width: auto;
}

.sidebar-title h2 {
  font-size: 0.95rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
}

.sidebar-title p {
  font-size: 0.68rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sidebar-nav {
  padding: 1.25rem 0.75rem;
  list-style: none;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.nav-item a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.nav-item a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.nav-item a.active {
  background: var(--admin-accent);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(230, 57, 70, 0.35);
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.78rem;
  color: #94a3b8;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Main Content */
.admin-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Topbar */
.admin-topbar {
  background: #ffffff;
  border-bottom: 1px solid var(--admin-border);
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--admin-border);
  border-radius: 6px;
  padding: 0.4rem;
  cursor: pointer;
  color: var(--admin-text-main);
}

.page-heading h1 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--admin-primary);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Content Area */
.admin-content {
  padding: 1.75rem 1.5rem;
  flex: 1;
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: #ffffff;
  border-radius: var(--radius);
  padding: 1.35rem 1.5rem;
  border: 1px solid var(--admin-border);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-info h3 {
  font-size: 0.82rem;
  text-transform: uppercase;
  color: var(--admin-text-muted);
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 0.25rem;
}

.stat-info .stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--admin-primary);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: #eff6ff;
  color: var(--admin-secondary);
}

/* Action Header */
.action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--admin-text-main);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-size: 0.92rem;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  background-color: #ffffff;
  color: var(--admin-text-main);
  outline: none;
  transition: all 0.2s ease;
}

.form-control:focus {
  border-color: var(--admin-secondary);
  box-shadow: 0 0 0 3px rgba(29, 53, 87, 0.12);
}

/* Buttons */
.btn-admin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.15rem;
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: 8px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-admin-primary {
  background: var(--admin-primary);
  color: #ffffff;
}

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

.btn-admin-accent {
  background: var(--admin-accent);
  color: #ffffff;
}

.btn-admin-accent:hover {
  background: var(--admin-accent-hover);
}

.btn-admin-outline {
  background: transparent;
  border: 1px solid var(--admin-border);
  color: var(--admin-text-main);
}

.btn-admin-outline:hover {
  background: #f1f5f9;
}

.btn-admin-danger {
  background: #fee2e2;
  color: var(--admin-danger);
  border: 1px solid #fecaca;
}

.btn-admin-danger:hover {
  background: var(--admin-danger);
  color: #ffffff;
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  border-radius: 6px;
}

/* Alerts */
.alert {
  padding: 0.85rem 1rem;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.alert-success {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.alert-error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* Cards & Tables */
.admin-card {
  background: #ffffff;
  border-radius: var(--radius);
  border: 1px solid var(--admin-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.card-header {
  padding: 1.15rem 1.5rem;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header h2 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--admin-primary);
}

.card-body {
  padding: 1.5rem;
}

/* Data Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.admin-table th {
  background: #f8fafc;
  padding: 0.75rem 1rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--admin-text-muted);
  font-weight: 700;
  border-bottom: 1px solid var(--admin-border);
}

.admin-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--admin-border);
  font-size: 0.88rem;
  vertical-align: middle;
}

.admin-table tr:hover {
  background-color: #f8fafc;
}

/* Photo Gallery Admin Grid */
.admin-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}

.admin-gallery-card {
  background: #ffffff;
  border: 1px solid var(--admin-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.admin-gallery-thumb {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background-color: #f1f5f9;
}

.admin-gallery-info {
  padding: 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.admin-gallery-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--admin-primary);
  margin-bottom: 0.35rem;
  line-height: 1.3;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-campus { background: #e0f2fe; color: #0369a1; }
.badge-cultural { background: #fdf2f8; color: #be185d; }
.badge-sports { background: #fef3c7; color: #b45309; }
.badge-nature { background: #dcfce7; color: #15803d; }
.badge-default { background: #f1f5f9; color: #475569; }

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 29, 48, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-overlay.active {
  display: flex;
}

.modal-container {
  background: #ffffff;
  border-radius: 14px;
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: modalIn 0.2s ease-out;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--admin-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--admin-text-muted);
  line-height: 1;
}

.modal-body {
  padding: 1.5rem;
  max-height: 75vh;
  overflow-y: auto;
}

.modal-footer {
  padding: 1rem 1.5rem;
  background: #f8fafc;
  border-top: 1px solid var(--admin-border);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Responsive */
@media (max-width: 768px) {
  .admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    transform: translateX(-100%);
  }

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

  .mobile-menu-toggle {
    display: block;
  }

  .admin-topbar {
    padding: 0.75rem 1rem;
  }

  .admin-content {
    padding: 1.25rem 1rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
}