/* Extra Exam Admin Theme */
:root {
    --admin-primary: #4f46e5;
    --admin-primary-dark: #4338ca;
    --admin-secondary: #0ea5e9;
    --admin-success: #10b981;
    --admin-warning: #f59e0b;
    --admin-danger: #ef4444;
    --admin-sidebar-bg: #0f172a;
    --admin-sidebar-gradient: linear-gradient(180deg, #0f172a 0%, #1e1b4b 40%, #312e81 75%, #4f46e5 100%);
    --admin-sidebar-hover: rgba(255, 255, 255, 0.1);
    --admin-sidebar-active: rgba(255, 255, 255, 0.18);
    --admin-sidebar-width: 260px;
    --admin-topbar-height: 64px;
    --admin-body-bg: #f1f5f9;
    --admin-card-radius: 12px;
    --admin-shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 4px 12px rgba(15, 23, 42, 0.06);
    --admin-gradient: linear-gradient(135deg, #4f46e5 0%, #0ea5e9 100%);
}

*, *::before, *::after { box-sizing: border-box; }

body.admin-body {
    margin: 0;
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--admin-body-bg);
    color: #1e293b;
    min-height: 100vh;
}

/* ── Sidebar ── */
.admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--admin-sidebar-width);
    height: 100vh;
    background: var(--admin-sidebar-gradient);
    display: flex;
    flex-direction: column;
    z-index: 1040;
    transition: transform 0.3s ease;
    overflow: hidden;
}

.admin-sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}

.admin-sidebar-brand img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: cover;
}

.admin-sidebar-brand span {
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.2;
}

.admin-sidebar-brand small {
    display: block;
    color: #94a3b8;
    font-size: 0.7rem;
    font-weight: 400;
}

.admin-nav {
    flex: 1;
    overflow-y: auto;
    padding: 12px 0 24px;
    scrollbar-width: thin;
    scrollbar-color: #334155 transparent;
}

.admin-nav-section {
    padding: 8px 20px 4px;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #64748b;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    margin: 2px 10px;
    border-radius: 8px;
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.15s ease;
}

.admin-nav-link i {
    width: 18px;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.85;
}

.admin-nav-link:hover {
    background: var(--admin-sidebar-hover);
    color: #fff;
}

.admin-nav-link.active {
    background: var(--admin-sidebar-active);
    color: #fff;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.admin-sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}

.admin-sidebar-footer a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #f87171;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 8px 10px;
    border-radius: 8px;
    transition: background 0.15s;
}

.admin-sidebar-footer a:hover {
    background: rgba(248, 113, 113, 0.1);
}

/* ── Topbar ── */
.admin-topbar {
    position: fixed;
    top: 0;
    left: var(--admin-sidebar-width);
    right: 0;
    height: var(--admin-topbar-height);
    background: #fff;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 1030;
    transition: left 0.3s ease;
}

.admin-topbar-toggle {
    background: none;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #475569;
    cursor: pointer;
    transition: all 0.15s;
}

.admin-topbar-toggle:hover {
    background: #f8fafc;
    color: var(--admin-primary);
}

.admin-topbar-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e293b;
    margin: 0;
}

.admin-topbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    color: #64748b;
}

.admin-topbar-user .avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--admin-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 600;
    font-size: 0.85rem;
}

/* ── Main content ── */
.admin-wrapper {
    margin-left: var(--admin-sidebar-width);
    padding-top: var(--admin-topbar-height);
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

.admin-content {
    padding: 24px;
    max-width: 1400px;
}

/* Collapsed state */
body.admin-collapsed .admin-sidebar {
    transform: translateX(-100%);
}

body.admin-collapsed .admin-topbar,
body.admin-collapsed .admin-wrapper {
    left: 0;
    margin-left: 0;
}

/* ── Page header ── */
.admin-page-header {
    margin-bottom: 24px;
}

.admin-page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 4px;
}

.admin-page-header p {
    color: #64748b;
    margin: 0;
    font-size: 0.9rem;
}

.admin-breadcrumb {
    font-size: 0.8rem;
    color: #94a3b8;
    margin-bottom: 8px;
}

.admin-breadcrumb a {
    color: var(--admin-primary);
    text-decoration: none;
}

/* ── Cards ── */
.admin-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: var(--admin-card-radius);
    box-shadow: var(--admin-shadow);
    margin-bottom: 20px;
    overflow: hidden;
}

.admin-card-header {
    padding: 16px 20px;
    background: var(--admin-gradient);
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.admin-card-header.plain {
    background: #f8fafc;
    color: #1e293b;
    border-bottom: 1px solid #e2e8f0;
}

.admin-card-body {
    padding: 20px;
}

/* Bootstrap card override inside admin */
.admin-content .card {
    border: 1px solid #e2e8f0;
    border-radius: var(--admin-card-radius);
    box-shadow: var(--admin-shadow);
    margin-bottom: 20px;
}

.admin-content .card-header {
    background: var(--admin-gradient);
    color: #fff;
    font-weight: 600;
    border-radius: var(--admin-card-radius) var(--admin-card-radius) 0 0 !important;
    border: none;
    padding: 14px 20px;
}

.admin-content .card-header.bg-primary,
.admin-content .card-header.bg-success,
.admin-content .card-header.bg-info {
    background: var(--admin-gradient) !important;
}

.admin-content .table thead th,
.admin-content .table-dark th,
.admin-content .table-primary th {
    background: #1e293b !important;
    color: #fff !important;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border: none;
}

.admin-content .table {
    margin-bottom: 0;
}

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

.admin-content .btn {
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.875rem;
}

.admin-content .btn-primary {
    background: var(--admin-primary);
    border-color: var(--admin-primary);
}

.admin-content .btn-primary:hover {
    background: var(--admin-primary-dark);
    border-color: var(--admin-primary-dark);
}

.admin-content .form-control,
.admin-content .form-select {
    border-radius: 8px;
    border-color: #cbd5e1;
    padding: 10px 14px;
    font-size: 0.875rem;
}

.admin-content .form-control:focus,
.admin-content .form-select:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

/* ── Dashboard stats ── */
.admin-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.admin-stat-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: var(--admin-card-radius);
    padding: 20px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    box-shadow: var(--admin-shadow);
    transition: transform 0.15s, box-shadow 0.15s;
}

.admin-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.1);
}

.admin-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.admin-stat-icon.purple { background: #ede9fe; color: #7c3aed; }
.admin-stat-icon.blue   { background: #e0f2fe; color: #0284c7; }
.admin-stat-icon.green  { background: #d1fae5; color: #059669; }
.admin-stat-icon.orange { background: #ffedd5; color: #ea580c; }
.admin-stat-icon.red    { background: #fee2e2; color: #dc2626; }
.admin-stat-icon.indigo { background: #e0e7ff; color: #4f46e5; }

.admin-stat-info h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
    color: #0f172a;
    line-height: 1;
}

.admin-stat-info p {
    margin: 4px 0 0;
    font-size: 0.8rem;
    color: #64748b;
    font-weight: 500;
}

.admin-quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
}

.admin-quick-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    text-decoration: none;
    color: #334155;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.15s;
}

.admin-quick-link:hover {
    border-color: var(--admin-primary);
    color: var(--admin-primary);
    background: #f5f3ff;
}

.admin-quick-link i {
    color: var(--admin-primary);
    width: 18px;
    text-align: center;
}

/* ── Login page ── */
.admin-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #312e81 100%);
    padding: 20px;
}

.admin-login-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 16px;
    padding: 40px 36px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.admin-login-logo {
    text-align: center;
    margin-bottom: 28px;
}

.admin-login-logo img {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    margin-bottom: 12px;
}

.admin-login-logo h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #0f172a;
    margin: 0;
}

.admin-login-logo p {
    color: #64748b;
    font-size: 0.875rem;
    margin: 4px 0 0;
}

.admin-login-card .form-label {
    font-weight: 500;
    font-size: 0.875rem;
    color: #374151;
}

.admin-login-card .btn-login {
    background: var(--admin-gradient);
    border: none;
    padding: 12px;
    font-weight: 600;
    border-radius: 10px;
    width: 100%;
    color: #fff;
    transition: opacity 0.15s;
}

.admin-login-card .btn-login:hover {
    opacity: 0.9;
    color: #fff;
}

/* ══════════════════════════════════════════
   CRUD PAGES — Shared Components (Phase 2)
   ══════════════════════════════════════════ */

/* 1. Page header row — title + description + action buttons */
.admin-page-header-row,
.pkg-page-header,
.quiz-page-header,
.chapters-page-header,
.subjects-page-header,
.boards-page-header,
.category-page-header,
.bsl-page-header,
.cql-page-header,
.scl-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
}

.admin-page-header-row h2,
.pkg-page-header h2,
.quiz-page-header h2,
.chapters-page-header h2,
.subjects-page-header h2,
.boards-page-header h2,
.category-page-header h2,
.bsl-page-header h2,
.cql-page-header h2,
.scl-page-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f172a;
    margin: 0;
}

.admin-page-header-row p,
.pkg-page-header p,
.quiz-page-header p,
.chapters-page-header p,
.subjects-page-header p,
.boards-page-header p,
.category-page-header p,
.bsl-page-header p,
.cql-page-header p,
.scl-page-header p {
    color: #64748b;
    margin: 4px 0 0;
    font-size: 0.9rem;
}

/* Stat pills & link buttons in header */
.admin-stat-pill,
.pkg-stat-pill,
.quiz-stat-pill,
.chapters-stat-pill,
.subjects-stat-pill,
.boards-stat-pill,
.category-stat-pill,
.bsl-stat-pill,
.cql-stat-pill,
.scl-stat-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #475569;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.admin-stat-pill strong,
.pkg-stat-pill strong,
.quiz-stat-pill strong,
.chapters-stat-pill strong,
.subjects-stat-pill strong,
.boards-stat-pill strong,
.category-stat-pill strong,
.bsl-stat-pill strong,
.cql-stat-pill strong,
.scl-stat-pill strong {
    color: var(--admin-primary);
}

.admin-link-btn,
.pkg-link-btn,
.quiz-link-btn,
.chapters-link-btn,
.subjects-link-btn,
.boards-link-btn,
.bsl-link-btn,
.cql-link-btn,
.scl-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 10px;
    border: 1px solid #c7d2fe;
    background: #eef2ff;
    color: var(--admin-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.15s ease;
}

.admin-link-btn:hover,
.pkg-link-btn:hover,
.quiz-link-btn:hover,
.chapters-link-btn:hover,
.subjects-link-btn:hover,
.boards-link-btn:hover,
.bsl-link-btn:hover,
.cql-link-btn:hover,
.scl-link-btn:hover {
    background: var(--admin-primary);
    color: #fff;
    border-color: var(--admin-primary);
}

/* CRUD cards (gradient header variant) */
.admin-crud-card,
.pkg-card,
.quiz-card,
.chapters-card,
.subjects-card,
.boards-card,
.category-card,
.bsl-card,
.cql-card,
.scl-card {
    border: none;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
    overflow: hidden;
}

.pkg-card,
.quiz-card {
    margin-bottom: 24px;
}

.admin-crud-card-header,
.pkg-card-header,
.quiz-card-header,
.chapters-card-header,
.subjects-card-header,
.boards-card-header,
.category-card-header,
.bsl-card-header,
.cql-card-header,
.scl-card-header {
    background: var(--admin-gradient);
    color: #fff;
    padding: 18px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.admin-crud-card-header h5,
.pkg-card-header h5,
.quiz-card-header h5,
.chapters-card-header h5,
.subjects-card-header h5,
.boards-card-header h5,
.category-card-header h5,
.bsl-card-header h5,
.cql-card-header h5,
.scl-card-header h5 {
    margin: 0;
    font-weight: 600;
    font-size: 1rem;
}

/* 2. Filter bar / form grid */
.admin-filter-bar,
.pkg-filter-grid {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 16px;
    align-items: end;
}

.admin-form-grid,
.quiz-form-grid,
.chapters-form-grid,
.subjects-form-grid,
.boards-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 20px;
    align-items: start;
}

.category-form-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    align-items: start;
}

/* 3. Form group labels & controls */
.admin-form-label,
.pkg-form-label,
.quiz-form-label,
.chapters-form-label,
.subjects-form-label,
.boards-form-label,
.category-form-label,
.bsl-form-label,
.cql-form-label,
.scl-form-label {
    font-weight: 600;
    font-size: 0.85rem;
    color: #334155;
    margin-bottom: 8px;
}

.admin-form-grid .form-control,
.quiz-form-grid .form-control,
.chapters-form-grid .form-control,
.subjects-form-grid .form-control,
.boards-form-grid .form-control,
.category-form-grid .form-control,
.category-form-grid .form-select,
.pkg-form-select,
.pkg-form-control {
    border-radius: 10px;
    border: 1px solid #cbd5e1;
    padding: 10px 14px;
    font-size: 0.9rem;
}

.admin-form-grid .form-control,
.quiz-form-grid .form-control,
.chapters-form-grid .form-control,
.subjects-form-grid .form-control,
.boards-form-grid .form-control {
    padding: 12px 14px;
}

.admin-form-grid .form-control:focus,
.quiz-form-grid .form-control:focus,
.chapters-form-grid .form-control:focus,
.subjects-form-grid .form-control:focus,
.boards-form-grid .form-control:focus,
.category-form-grid .form-control:focus,
.category-form-grid .form-select:focus,
.pkg-form-select:focus,
.pkg-form-control:focus,
.bsl-form-select:focus,
.cql-form-select:focus,
.scl-form-select:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.bsl-form-select,
.cql-form-select,
.scl-form-select {
    border-radius: 10px;
    border: 1px solid #cbd5e1;
    padding: 10px 14px;
    font-size: 0.9rem;
}

/* Gradient action buttons */
.admin-btn-gradient,
.pkg-btn-add,
.quiz-btn-save,
.chapters-btn-save,
.subjects-btn-save,
.boards-btn-save,
.category-btn-save {
    background: var(--admin-gradient);
    border: none;
    color: #fff;
    border-radius: 10px;
    padding: 10px 20px;
    font-weight: 600;
    white-space: nowrap;
    transition: opacity 0.15s, transform 0.15s;
}

.quiz-btn-save,
.chapters-btn-save,
.subjects-btn-save,
.boards-btn-save,
.category-btn-save {
    padding: 12px 24px;
    min-height: 48px;
}

.admin-btn-gradient:hover:not(:disabled),
.pkg-btn-add:hover:not(:disabled),
.quiz-btn-save:hover:not(:disabled),
.chapters-btn-save:hover:not(:disabled),
.subjects-btn-save:hover:not(:disabled),
.boards-btn-save:hover:not(:disabled),
.category-btn-save:hover:not(:disabled) {
    opacity: 0.92;
    color: #fff;
    transform: translateY(-1px);
}

.admin-btn-gradient:disabled,
.pkg-btn-add:disabled,
.quiz-btn-save:disabled,
.chapters-btn-save:disabled,
.subjects-btn-save:disabled,
.boards-btn-save:disabled,
.category-btn-save:disabled {
    opacity: 0.6;
}

/* 3. Data table */
.admin-data-table-wrap,
.pkg-table-wrap,
.quiz-table-wrap,
.chapters-table-wrap,
.subjects-table-wrap,
.boards-table-wrap,
.category-table-wrap,
.bsl-table-wrap,
.cql-table-wrap,
.scl-table-wrap {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    overflow: hidden;
}

.quiz-table-wrap,
.chapters-table-wrap,
.subjects-table-wrap,
.boards-table-wrap,
.category-table-wrap {
    margin-top: 28px;
}

.admin-data-table,
.pkg-table,
.quiz-table,
.chapters-table,
.subjects-table,
.boards-table,
.category-table,
.bsl-table,
.cql-table,
.scl-table {
    margin: 0;
}

.admin-data-table thead th,
.pkg-table thead th,
.quiz-table thead th,
.chapters-table thead th,
.subjects-table thead th,
.boards-table thead th,
.category-table thead th,
.bsl-table thead th,
.cql-table thead th,
.scl-table thead th {
    background: #1e293b;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 14px 16px;
    border: none;
}

.category-table thead th {
    white-space: nowrap;
}

.admin-data-table tbody td,
.pkg-table tbody td,
.quiz-table tbody td,
.chapters-table tbody td,
.subjects-table tbody td,
.boards-table tbody td,
.category-table tbody td,
.bsl-table tbody td,
.cql-table tbody td,
.scl-table tbody td {
    padding: 14px 16px;
    vertical-align: middle;
    border-color: #f1f5f9;
}

.admin-data-table tbody tr:hover,
.pkg-table tbody tr:hover,
.quiz-table tbody tr:hover,
.chapters-table tbody tr:hover,
.subjects-table tbody tr:hover,
.boards-table tbody tr:hover,
.category-table tbody tr:hover,
.bsl-table tbody tr:hover,
.cql-table tbody tr:hover,
.scl-table tbody tr:hover {
    background: #f8fafc;
}

/* Action column buttons */
.admin-action-btn,
.pkg-action-btn,
.quiz-action-btn,
.chapters-action-btn,
.subjects-action-btn,
.boards-action-btn,
.category-action-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.bsl-action-btn,
.cql-action-btn,
.scl-action-btn {
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 14px;
}

/* 4. Empty state */
.admin-empty-state,
.pkg-empty-state,
.quiz-empty-state,
.chapters-empty-state,
.subjects-empty-state,
.boards-empty-state,
.category-empty-state,
.bsl-empty-state,
.cql-empty-state,
.scl-empty-state {
    padding: 48px 24px;
    text-align: center;
    color: #64748b;
}

.admin-empty-state i,
.pkg-empty-state i,
.quiz-empty-state i,
.chapters-empty-state i,
.subjects-empty-state i,
.boards-empty-state i,
.category-empty-state i,
.bsl-empty-state i,
.cql-empty-state i,
.scl-empty-state i {
    font-size: 2.5rem;
    color: #cbd5e1;
    margin-bottom: 12px;
}

.admin-empty-state h5,
.pkg-empty-state h5,
.quiz-empty-state h5,
.chapters-empty-state h5,
.subjects-empty-state h5,
.boards-empty-state h5,
.category-empty-state h5,
.bsl-empty-state h5,
.cql-empty-state h5,
.scl-empty-state h5 {
    color: #334155;
    font-weight: 600;
}

/* 5. Loading spinner */
.admin-loading-spinner,
.pkg-loading-overlay,
.quiz-loading,
.bsl-loading-overlay,
.cql-loading-overlay,
.scl-loading-overlay {
    text-align: center;
    padding: 60px 24px;
    color: #64748b;
}

.quiz-loading {
    padding: 40px;
}

/* 6. Modal — add/edit form */
.admin-modal-header,
.pkg-modal-header,
.bsl-modal-header,
.cql-modal-header,
.scl-modal-header {
    background: var(--admin-gradient);
    color: #fff;
    border-bottom: none;
    padding: 18px 24px;
}

.admin-modal-header .btn-close,
.pkg-modal-header .btn-close,
.bsl-modal-header .btn-close,
.cql-modal-header .btn-close,
.scl-modal-header .btn-close {
    filter: brightness(0) invert(1);
}

.admin-modal-header .modal-title,
.pkg-modal-header .modal-title,
.bsl-modal-header .modal-title,
.cql-modal-header .modal-title,
.scl-modal-header .modal-title {
    font-weight: 600;
}

/* 7. Delete modal — uses same header; body emphasis */
.admin-delete-modal .modal-body p:first-child {
    font-weight: 500;
    color: #334155;
}

/* 8. Status badges */
.admin-status-badge,
.admin-status-badge.active,
.category-badge-active.yes,
.bsl-status-linked,
.pkg-flag-badge.yes {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: #d1fae5;
    color: #059669;
}

.admin-status-badge.inactive,
.category-badge-active.no,
.bsl-status-unlinked,
.pkg-flag-badge.no {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: #f1f5f9;
    color: #64748b;
}

.pkg-flag-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    margin-right: 4px;
    margin-bottom: 4px;
}

/* 9. Upload zones & preview badges (shared) */
.admin-upload-zone,
.chapters-upload-zone,
.subjects-upload-zone,
.boards-upload-zone {
    border: 2px dashed #cbd5e1;
    border-radius: 12px;
    padding: 16px;
    background: #f8fafc;
    transition: border-color 0.15s;
}

.admin-upload-zone:hover,
.chapters-upload-zone:hover,
.subjects-upload-zone:hover,
.boards-upload-zone:hover {
    border-color: var(--admin-secondary);
}

.admin-preview-badge,
.chapters-preview-badge,
.subjects-preview-badge,
.boards-preview-badge,
.category-preview-badge {
    display: inline-block;
    margin-top: 16px;
    padding: 8px 20px;
    background: #eef2ff;
    color: var(--admin-primary);
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.9rem;
}

.admin-thumb-preview,
.subjects-thumb-preview,
.boards-thumb-preview,
.pkg-thumb-preview {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
    padding: 12px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
}

.subjects-thumb-preview,
.boards-thumb-preview {
    gap: 14px;
    background: #fff;
    border-radius: 12px;
}

.admin-thumb-preview img,
.subjects-thumb-preview img,
.boards-thumb-preview img,
.pkg-thumb-preview img {
    width: 72px;
    height: 72px;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
}

.admin-table-thumb,
.pkg-table-thumb,
.subjects-table-thumb,
.boards-table-thumb {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.admin-table-thumb-placeholder,
.pkg-table-thumb-placeholder,
.subjects-table-thumb-placeholder,
.boards-table-thumb-placeholder {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
}

.subjects-table-thumb-placeholder,
.boards-table-thumb-placeholder {
    font-size: 1.1rem;
}

/* 10. Card grid / linking UI chips */
.admin-card-grid-info,
.bsl-category-info,
.cql-category-info,
.scl-category-info {
    padding: 14px 18px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    margin-top: 16px;
}

.admin-card-grid-info .info-label,
.bsl-category-info .info-label,
.cql-category-info .info-label,
.scl-category-info .info-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #94a3b8;
    font-weight: 600;
}

.admin-card-grid-info .info-value,
.bsl-category-info .info-value,
.cql-category-info .info-value,
.scl-category-info .info-value {
    font-weight: 600;
    color: #334155;
}

/* Entity chips (linking pages) */
.admin-chip,
.admin-chip.class,
.category-class-chip,
.bsl-class-chip,
.cql-class-chip,
.scl-class-chip {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    background: #eef2ff;
    color: #4338ca;
}

.admin-chip.board,
.category-board-chip,
.bsl-board-chip,
.cql-board-chip,
.scl-board-chip {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    background: #e0f2fe;
    color: #0369a1;
}

.admin-chip.subject,
.cql-subject-chip,
.scl-subject-chip {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    background: #d1fae5;
    color: #059669;
}

.admin-chip.category,
.bsl-category-chip,
.cql-category-chip,
.scl-category-chip {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    background: #fef3c7;
    color: #b45309;
}

.admin-chip.chapter,
.cql-chapter-chip {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    background: #fce7f3;
    color: #be185d;
}

/* Count badges (linking pages) */
.admin-count-badge,
.bsl-count-badge,
.cql-count-badge,
.scl-count-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}

.bsl-count-badge.boards,
.cql-count-badge.links,
.scl-count-badge.subjects {
    background: #eef2ff;
    color: #4338ca;
}

.bsl-count-badge.classes,
.cql-count-badge.chapters,
.scl-count-badge.classes {
    background: #e0f2fe;
    color: #0369a1;
}

.bsl-toggle-btn {
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    min-width: 80px;
}

/* ── Page-specific overrides ── */

/* Packages */
.pkg-filter-context {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 500;
}

.pkg-amount {
    font-weight: 600;
    color: #0f172a;
}

.pkg-discount {
    color: #059669;
    font-weight: 600;
    font-size: 0.85rem;
}

.pkg-services {
    font-size: 0.8rem;
    color: #64748b;
    max-width: 220px;
}

.pkg-category-box {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 14px;
    background: #f8fafc;
}

.pkg-category-box .form-check {
    margin-bottom: 8px;
}

/* Quiz */
.quiz-selector {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    padding: 16px 20px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    margin-bottom: 20px;
}

.quiz-selector .form-select {
    border-radius: 10px;
    border: 1px solid #cbd5e1;
    padding: 10px 14px;
    font-size: 0.9rem;
    min-width: 260px;
    flex: 1;
    max-width: 400px;
}

.quiz-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid #e2e8f0;
    margin-bottom: 20px;
}

.quiz-tab {
    padding: 10px 20px;
    border: none;
    background: none;
    font-size: 0.875rem;
    font-weight: 600;
    color: #64748b;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: all 0.15s;
}

.quiz-tab:hover {
    color: var(--admin-primary);
}

.quiz-tab.active {
    color: var(--admin-primary);
    border-bottom-color: var(--admin-primary);
}

.quiz-question-card {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 12px;
    background: #fff;
    transition: box-shadow 0.15s;
}

.quiz-question-card:hover {
    box-shadow: 0 2px 12px rgba(15, 23, 42, 0.06);
}

.quiz-question-text {
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.quiz-options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 12px;
}

.quiz-option {
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    color: #475569;
}

.quiz-option.correct {
    background: #d1fae5;
    border-color: #6ee7b7;
    color: #065f46;
    font-weight: 600;
}

.quiz-option-label {
    font-weight: 700;
    margin-right: 6px;
    color: #94a3b8;
}

.quiz-option.correct .quiz-option-label {
    color: #059669;
}

.quiz-edit-card {
    border: 2px solid var(--admin-primary);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    background: #fafbff;
}

.quiz-bulk-textarea {
    border-radius: 12px;
    border: 1px solid #cbd5e1;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    padding: 16px;
    min-height: 220px;
}

.quiz-bulk-hint {
    padding: 14px 18px;
    background: #f0f9ff;
    border: 1px solid #bae6fd;
    border-radius: 10px;
    font-size: 0.8rem;
    color: #0369a1;
    margin-bottom: 16px;
}

.quiz-copy-list {
    max-height: 320px;
    overflow-y: auto;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 8px;
}

.quiz-copy-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.1s;
}

.quiz-copy-item:hover {
    background: #f8fafc;
}

.quiz-copy-item input[type="checkbox"] {
    margin-top: 4px;
    accent-color: var(--admin-primary);
}

.quiz-success-toast {
    position: fixed;
    top: 80px;
    right: 24px;
    z-index: 1050;
    padding: 14px 20px;
    background: #059669;
    color: #fff;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 20px rgba(5, 150, 105, 0.3);
    animation: adminSlideIn 0.3s ease;
}

@keyframes adminSlideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.quiz-desc-text {
    font-size: 0.85rem;
    color: #64748b;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Chapter */
.chapters-char-counter {
    font-size: 0.75rem;
    color: #94a3b8;
    margin-top: 4px;
}

.chapters-pdf-preview {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
    padding: 12px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
}

.chapters-pdf-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: #fef2f2;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #dc2626;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.chapters-pdf-path,
.subjects-thumb-path,
.boards-thumb-path {
    font-size: 0.75rem;
    color: #94a3b8;
    word-break: break-all;
}

.chapters-pdf-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    background: #fef2f2;
    color: #dc2626;
}

.chapters-pdf-badge.none {
    background: #f1f5f9;
    color: #94a3b8;
}

/* Controlling Category */
.category-active-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    min-height: 48px;
}

.category-active-toggle .form-check-input {
    width: 2.5em;
    height: 1.25em;
    cursor: pointer;
}

.category-active-toggle .form-check-label {
    font-weight: 500;
    color: #334155;
    cursor: pointer;
}

.category-form-actions {
    display: flex;
    align-items: end;
    gap: 12px;
}

/* Linking page entity badges */
.cql-quiz-badge,
.scl-chapter-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: #eef2ff;
    color: #4338ca;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

/* CRUD responsive */
@media (max-width: 991px) {
    .admin-filter-bar,
    .admin-form-grid,
    .pkg-filter-grid,
    .quiz-form-grid,
    .chapters-form-grid,
    .subjects-form-grid,
    .boards-form-grid {
        grid-template-columns: 1fr;
    }

    .category-form-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .admin-page-header-row,
    .pkg-page-header,
    .quiz-page-header,
    .chapters-page-header,
    .subjects-page-header,
    .boards-page-header,
    .category-page-header,
    .bsl-page-header,
    .cql-page-header,
    .scl-page-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 576px) {
    .quiz-options-grid {
        grid-template-columns: 1fr;
    }

    .quiz-success-toast {
        left: 16px;
        right: 16px;
    }
}

/* ── Responsive ── */
@media (max-width: 991px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }

    .admin-topbar,
    .admin-wrapper {
        left: 0;
        margin-left: 0;
    }

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

    body.admin-sidebar-open::before {
        content: '';
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.4);
        z-index: 1035;
    }
}

@media (max-width: 576px) {
    .admin-content { padding: 16px; }
    .admin-stat-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Batch 2 admin pages (Phase 6) ── */
.admin-data-table thead th {
    background: #f8fafc;
    color: #334155;
    font-weight: 600;
    font-size: 0.85rem;
    border-bottom: 2px solid #e2e8f0;
}

.admin-link-toggle {
    min-width: 70px;
    font-weight: 500;
    border-radius: 30px;
}

.admin-page-link {
    cursor: pointer;
}

.admin-thumbnail-preview {
    max-height: 150px;
}

.admin-table-thumb {
    max-height: 40px;
    border-radius: 4px;
}

.admin-scroll-preview {
    max-height: 80px;
}

.admin-audio-preview {
    width: 200px;
}

.admin-progress-bar {
    background: #4f46e5;
}

.admin-login-icon-fallback {
    display: none;
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: linear-gradient(135deg, #4f46e5, #0ea5e9);
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    color: #fff;
    font-size: 1.5rem;
}