/**
 * Admin Panel Styles
 * Consistent styling for all admin pages
 */

/* ==================== CSS Variables ==================== */
:root {
    --admin-primary: #8b5cf6;
    --admin-primary-dark: #7c3aed;
    --admin-primary-light: #a78bfa;
    --admin-success: #10b981;
    --admin-success-dark: #059669;
    --admin-warning: #f59e0b;
    --admin-warning-dark: #d97706;
    --admin-danger: #ef4444;
    --admin-danger-dark: #dc2626;
    --admin-info: #3b82f6;
    --admin-info-dark: #2563eb;

    --admin-gray-50: #f9fafb;
    --admin-gray-100: #f3f4f6;
    --admin-gray-200: #e5e7eb;
    --admin-gray-300: #d1d5db;
    --admin-gray-400: #9ca3af;
    --admin-gray-500: #6b7280;
    --admin-gray-600: #4b5563;
    --admin-gray-700: #374151;
    --admin-gray-800: #1f2937;
    --admin-gray-900: #111827;

    --admin-sidebar-width: 250px;
    --admin-header-height: 60px;
    --admin-border-radius: 8px;
    --admin-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --admin-box-shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* ==================== Base Styles ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body.admin-body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--admin-gray-100);
    color: var(--admin-gray-800);
    line-height: 1.5;
    min-height: 100vh;
}

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

/* Sidebar */
.admin-sidebar {
    width: var(--admin-sidebar-width);
    background: var(--admin-gray-900);
    color: white;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--admin-gray-700);
}

.sidebar-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-logo svg {
    width: 28px;
    height: 28px;
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-section {
    margin-bottom: 20px;
}

.nav-section-title {
    padding: 8px 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--admin-gray-400);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    color: var(--admin-gray-300);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.nav-link:hover {
    background: var(--admin-gray-800);
    color: white;
}

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

.nav-link svg {
    width: 20px;
    height: 20px;
}

/* Main Content */
.admin-main {
    flex: 1;
    margin-left: var(--admin-sidebar-width);
    min-height: 100vh;
}

.admin-header {
    background: white;
    height: var(--admin-header-height);
    border-bottom: 1px solid var(--admin-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--admin-gray-800);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-content {
    padding: 24px;
}

/* ==================== Cards ==================== */
.admin-card {
    background: white;
    border-radius: var(--admin-border-radius);
    box-shadow: var(--admin-box-shadow);
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--admin-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--admin-gray-800);
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--admin-gray-200);
    background: var(--admin-gray-50);
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn svg {
    width: 16px;
    height: 16px;
}

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

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

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

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

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

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

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

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

.btn-secondary {
    background: var(--admin-gray-200);
    color: var(--admin-gray-700);
}

.btn-secondary:hover {
    background: var(--admin-gray-300);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--admin-gray-300);
    color: var(--admin-gray-700);
}

.btn-outline:hover {
    background: var(--admin-gray-100);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 1rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 6px;
}

.btn-icon.btn-sm {
    width: 28px;
    height: 28px;
}

/* ==================== Forms ==================== */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--admin-gray-700);
    margin-bottom: 6px;
}

.form-label.required::after {
    content: ' *';
    color: var(--admin-danger);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 12px;
    font-size: 0.875rem;
    border: 1px solid var(--admin-gray-300);
    border-radius: 6px;
    background: white;
    color: var(--admin-gray-800);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background: var(--admin-gray-100);
    cursor: not-allowed;
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-help {
    font-size: 0.75rem;
    color: var(--admin-gray-500);
    margin-top: 4px;
}

.form-error {
    font-size: 0.75rem;
    color: var(--admin-danger);
    margin-top: 4px;
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--admin-danger);
}

/* Checkbox and Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.form-check-input {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.form-check-label {
    font-size: 0.875rem;
    color: var(--admin-gray-700);
    cursor: pointer;
}

/* Form Row */
.form-row {
    display: grid;
    gap: 16px;
}

.form-row-2 {
    grid-template-columns: repeat(2, 1fr);
}

.form-row-3 {
    grid-template-columns: repeat(3, 1fr);
}

.form-row-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Form Section */
.form-section {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--admin-gray-200);
}

.form-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.form-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--admin-gray-800);
    margin-bottom: 16px;
}

/* ==================== Tables ==================== */
.table-container {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.admin-table th {
    text-align: left;
    padding: 12px 16px;
    background: var(--admin-gray-50);
    font-weight: 600;
    color: var(--admin-gray-700);
    border-bottom: 1px solid var(--admin-gray-200);
    white-space: nowrap;
}

.admin-table th.sortable {
    cursor: pointer;
    user-select: none;
}

.admin-table th.sortable:hover {
    background: var(--admin-gray-100);
}

.admin-table th .sort-icon {
    display: inline-block;
    margin-left: 4px;
    opacity: 0.3;
}

.admin-table th.sorted .sort-icon {
    opacity: 1;
    color: var(--admin-primary);
}

.admin-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--admin-gray-100);
    color: var(--admin-gray-700);
}

.admin-table tbody tr:hover {
    background: var(--admin-gray-50);
}

.admin-table tbody tr:last-child td {
    border-bottom: none;
}

/* Table Actions */
.table-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ==================== Badges ==================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
}

.badge-primary {
    background: rgba(139, 92, 246, 0.1);
    color: var(--admin-primary);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--admin-success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--admin-warning-dark);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--admin-danger);
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--admin-info);
}

.badge-gray {
    background: var(--admin-gray-100);
    color: var(--admin-gray-600);
}

/* Contact Type Badges */
.contact-type-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    font-size: 0.6875rem;
    font-weight: 500;
    border-radius: 4px;
    margin-right: 4px;
    margin-bottom: 4px;
}

/* ==================== Search and Filter Bar ==================== */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.search-box {
    flex: 1;
    min-width: 200px;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 10px 12px 10px 40px;
    font-size: 0.875rem;
    border: 1px solid var(--admin-gray-300);
    border-radius: 6px;
    background: white;
}

.search-box input:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.search-box svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--admin-gray-400);
}

.filter-select {
    min-width: 150px;
}

/* ==================== Pagination ==================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-top: 1px solid var(--admin-gray-200);
}

.pagination-info {
    font-size: 0.875rem;
    color: var(--admin-gray-500);
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pagination-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--admin-gray-300);
    border-radius: 6px;
    background: white;
    color: var(--admin-gray-700);
    cursor: pointer;
    transition: all 0.2s;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--admin-gray-100);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

/* ==================== Stats Cards ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: white;
    border-radius: var(--admin-border-radius);
    box-shadow: var(--admin-box-shadow);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.stat-icon.primary { background: var(--admin-primary); }
.stat-icon.success { background: var(--admin-success); }
.stat-icon.warning { background: var(--admin-warning); }
.stat-icon.danger { background: var(--admin-danger); }
.stat-icon.info { background: var(--admin-info); }

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--admin-gray-800);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--admin-gray-500);
}

/* ==================== Detail View ==================== */
.detail-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 24px;
}

.detail-title-section {
    flex: 1;
}

.detail-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--admin-gray-800);
    margin-bottom: 4px;
}

.detail-subtitle {
    font-size: 0.875rem;
    color: var(--admin-gray-500);
}

.detail-actions {
    display: flex;
    gap: 8px;
}

.detail-section {
    margin-bottom: 24px;
}

.detail-section-title {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--admin-gray-500);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--admin-gray-200);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.detail-item {
    margin-bottom: 12px;
}

.detail-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--admin-gray-500);
    margin-bottom: 2px;
}

.detail-value {
    font-size: 0.875rem;
    color: var(--admin-gray-800);
}

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

.detail-value a:hover {
    text-decoration: underline;
}

/* ==================== Empty State ==================== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state svg {
    width: 64px;
    height: 64px;
    color: var(--admin-gray-300);
    margin-bottom: 16px;
}

.empty-state-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--admin-gray-700);
    margin-bottom: 8px;
}

.empty-state-text {
    font-size: 0.875rem;
    color: var(--admin-gray-500);
    margin-bottom: 20px;
}

/* ==================== Modal ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

.modal-overlay.hidden {
    display: none;
}

.modal {
    background: white;
    border-radius: var(--admin-border-radius);
    box-shadow: var(--admin-box-shadow-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--admin-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--admin-gray-800);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--admin-gray-500);
    border-radius: 6px;
}

.modal-close:hover {
    background: var(--admin-gray-100);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--admin-gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* ==================== Alerts ==================== */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.alert svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--admin-success-dark);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--admin-warning-dark);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--admin-danger);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--admin-info-dark);
}

/* ==================== Tabs ==================== */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--admin-gray-200);
    margin-bottom: 20px;
}

.tab {
    padding: 12px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--admin-gray-500);
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
}

.tab:hover {
    color: var(--admin-gray-700);
}

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

.tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--admin-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ==================== Service Sites List ==================== */
.sites-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.site-item {
    background: var(--admin-gray-50);
    border: 1px solid var(--admin-gray-200);
    border-radius: 6px;
    padding: 16px;
}

.site-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.site-item-name {
    font-weight: 600;
    color: var(--admin-gray-800);
}

.site-item-actions {
    display: flex;
    gap: 4px;
}

.site-item-details {
    font-size: 0.875rem;
    color: var(--admin-gray-600);
}

/* ==================== Clickable Row ==================== */
.clickable-row {
    cursor: pointer;
}

.clickable-row:hover {
    background: var(--admin-gray-100) !important;
}

/* ==================== Responsive ==================== */
@media (max-width: 1024px) {
    .form-row-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }

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

    .admin-main {
        margin-left: 0;
    }

    .form-row-2,
    .form-row-3,
    .form-row-4 {
        grid-template-columns: 1fr;
    }

    .filter-bar {
        flex-direction: column;
    }

    .search-box {
        width: 100%;
    }

    .detail-header {
        flex-direction: column;
        gap: 16px;
    }

    .detail-actions {
        width: 100%;
    }

    .detail-actions .btn {
        flex: 1;
    }

    .pagination {
        flex-direction: column;
        gap: 12px;
    }

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

/* ==================== Utilities ==================== */
.text-muted {
    color: var(--admin-gray-500);
}

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

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

.text-danger {
    color: var(--admin-danger);
}

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

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 16px; }

.hidden { display: none !important; }