/* =====================================================
   KhamPit School CMS - Admin Panel Stylesheet
   ===================================================== */

/* ===== ADMIN LAYOUT ===== */
.admin-wrapper {
    display: flex;
    min-height: 100vh;
    padding-top: var(--header-height);
}

.admin-sidebar {
    width: var(--sidebar-width);
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    padding: var(--space-lg) 0;
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 100;
    transition: transform var(--transition);
}

.admin-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--space-xl);
    background: var(--bg-secondary);
    min-height: calc(100vh - var(--header-height));
}

/* ===== SIDEBAR ===== */
.sidebar-header {
    padding: 0 var(--space-lg) var(--space-lg);
    border-bottom: 1px solid var(--border-light);
    margin-bottom: var(--space-md);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.sidebar-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

.sidebar-name {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.sidebar-role {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.sidebar-nav {
    padding: 0 var(--space-sm);
}

.sidebar-label {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: var(--space-sm);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.6rem var(--space-md);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    margin-bottom: 2px;
    text-decoration: none;
}

.sidebar-link:hover {
    background: var(--primary-50);
    color: var(--primary);
}

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

.sidebar-link i {
    width: 20px;
    text-align: center;
    font-size: 0.9rem;
}

/* ===== ADMIN TOP BAR ===== */
.admin-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
}

.admin-page-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.admin-breadcrumb {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

.admin-breadcrumb a {
    color: var(--primary);
}

/* ===== DASHBOARD CARDS ===== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.dashboard-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}

.dashboard-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.dashboard-card-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.dashboard-card-info h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.dashboard-card-info span {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ===== TABLES ===== */
.admin-table-container {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    overflow: hidden;
}

.admin-table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-light);
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.admin-table-title {
    font-size: 1rem;
    font-weight: 600;
}

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

.admin-table th {
    background: var(--bg-tertiary);
    padding: 0.75rem var(--space-md);
    text-align: left;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.admin-table td {
    padding: 0.75rem var(--space-md);
    border-bottom: 1px solid var(--border-light);
    font-size: 0.85rem;
    color: var(--text-primary);
}

.admin-table tr:hover td {
    background: var(--primary-50);
}

.admin-table .actions {
    display: flex;
    gap: var(--space-xs);
}

/* ===== FORMS ===== */
.admin-form {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.form-label.required::after {
    content: ' *';
    color: #E53E3E;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.65rem var(--space-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: border-color var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-50);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.form-check input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.form-actions {
    display: flex;
    gap: var(--space-sm);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-light);
}

/* ===== IMAGE PREVIEW ===== */
.image-preview {
    width: 200px;
    height: 150px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-bottom: var(--space-sm);
    background: var(--bg-tertiary);
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.image-preview:hover {
    border-color: var(--primary);
}

.image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===== STATUS BADGES ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
}

.badge-success {
    background: #D1FAE5;
    color: #065F46;
}

.badge-warning {
    background: #FEF3C7;
    color: #92400E;
}

.badge-danger {
    background: #FEE2E2;
    color: #991B1B;
}

.badge-info {
    background: #DBEAFE;
    color: #1E40AF;
}

[data-theme="dark"] .badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: #6EE7B7;
}

[data-theme="dark"] .badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: #FCD34D;
}

[data-theme="dark"] .badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #FCA5A5;
}

[data-theme="dark"] .badge-info {
    background: rgba(59, 130, 246, 0.15);
    color: #93C5FD;
}

/* ===== ACTIVITY LOG ===== */
.activity-list {
    display: flex;
    flex-direction: column;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.82rem;
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-time {
    font-size: 0.72rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* ===== LOGIN PAGE ===== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
    padding: var(--space-lg);
}

.login-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl) var(--space-2xl);
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-xl);
}

.login-logo {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.login-logo img {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-md);
    object-fit: contain;
}

.login-logo h2 {
    font-size: 1.2rem;
    color: var(--text-primary);
}

.login-logo p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ===== RESPONSIVE ADMIN ===== */
@media (max-width: 768px) {
    .admin-sidebar {
        transform: translateX(-100%);
        z-index: 1001;
    }

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

    .admin-content {
        margin-left: 0;
        padding: var(--space-md);
    }

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

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

    .admin-table-container {
        overflow-x: auto;
    }
}