/* ===========================
   Admin Page Styles
   =========================== */

.header--admin {
    padding: var(--spacing-md) 0;
    background: linear-gradient(135deg, #1F2937 0%, #111827 100%);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-back {
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-back:hover {
    background: rgba(255, 255, 255, 0.25);
}

.nav-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: white;
}

.main--admin {
    padding: var(--spacing-lg) 0;
    background: #F3F4F6;
    min-height: calc(100vh - 120px);
}

/* Admin Tabs */
.admin-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.admin-tab {
    flex: 1;
    min-width: 120px;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.admin-tab.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* Filters */
.admin-filters {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    background: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.filter-group select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    min-width: 150px;
}

#addNewBtn {
    margin-left: auto;
}

/* Buttons */
.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

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

.btn-secondary {
    background: var(--color-border);
    color: var(--color-text);
}

.btn-secondary:hover {
    background: #D1D5DB;
}

.btn-danger {
    background: #EF4444;
    color: white;
}

.btn-danger:hover {
    background: #DC2626;
}

.btn-insert {
    background: #10B981;
    color: white;
}

.btn-insert:hover {
    background: #059669;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
}

/* Table */
.admin-table-container {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

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

.admin-table th,
.admin-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.875rem;
}

.admin-table th {
    background: #F9FAFB;
    font-weight: 600;
    color: var(--color-text-light);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.admin-table tr:hover {
    background: #F9FAFB;
}

.admin-table td.actions {
    white-space: nowrap;
}

.admin-table .btn+.btn {
    margin-left: var(--spacing-xs);
}

.cell-en {
    font-family: var(--font-en);
}

.cell-truncate {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cell-id {
    color: var(--color-text-light);
    font-size: 0.75rem;
}

/* Loading & Empty States */
.loading-state,
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    color: var(--color-text-light);
}

/* Modal Form */
.modal--form {
    max-width: 600px;
}

.modal--confirm {
    max-width: 400px;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-family: inherit;
}

.form-group textarea {
    min-height: 80px;
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 159, 28, 0.1);
}

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

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.delete-warning {
    color: #EF4444;
    font-size: 0.875rem;
    margin-top: var(--spacing-sm);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    background: #1F2937;
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 2000;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast.success {
    background: #10B981;
}

.toast.error {
    background: #EF4444;
}

/* Responsive */
@media (max-width: 768px) {
    .admin-tabs {
        flex-direction: column;
    }

    .admin-tab {
        min-width: auto;
    }

    .admin-filters {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group {
        width: 100%;
    }

    .filter-group select {
        flex: 1;
    }

    #addNewBtn {
        margin-left: 0;
        width: 100%;
    }

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

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

    .admin-table {
        min-width: 600px;
    }
}