:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --secondary-hover: #475569;
    --danger-color: #dc2626;
    --danger-hover: #b91c1c;
    --success-color: #16a34a;
    --warning-color: #ca8a04;
    --info-color: #0891b2;
    --gray-color: #6b7280;
    --border-color: #e5e7eb;
    --background-color: #f9fafb;
    --panel-bg: #ffffff;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.domain-header {
    background: var(--panel-bg);
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-main {
    display: flex;
    align-items: center;
    gap: 16px;
}

.domain-header h1 {
    font-size: 24px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.external-link {
    color: var(--secondary-color);
    text-decoration: none;
    display: inline-flex;
    transition: color 0.2s;
}

.external-link:hover {
    color: var(--primary-color);
}

/* Status Badges */
.status-badge {
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.status-active {
    background: #dcfce7;
    color: var(--success-color);
}

.status-warning {
    background: #fef3c7;
    color: var(--warning-color);
}

.status-disabled {
    background: #f3f4f6;
    color: var(--gray-color);
}

/* Context Menu */
.context-menu-wrapper {
    position: relative;
}

.context-menu-btn {
    background: transparent;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--text-secondary);
    border-radius: 4px;
    transition: background 0.2s;
}

.context-menu-btn:hover {
    background: var(--background-color);
}

.context-menu {
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 4px;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    min-width: 180px;
    display: none;
    z-index: 100;
}

.context-menu.active {
    display: block;
}

.menu-item {
    display: block;
    width: 100%;
    padding: 10px 16px;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-primary);
    transition: background 0.2s;
}

.menu-item:hover {
    background: var(--background-color);
}

.menu-item-danger {
    color: var(--danger-color);
}

.menu-divider {
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
}

/* Panels */
.panel {
    background: var(--panel-bg);
    border-radius: 8px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.panel-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.panel-body {
    padding: 24px;
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.info-item.full-width {
    grid-column: span 2;
}

.info-item label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
}

.badge-primary {
    background: #dbeafe;
    color: var(--primary-color);
}

.badge-secondary {
    background: #f1f5f9;
    color: var(--secondary-color);
}

.badge-success {
    background: #dcfce7;
    color: var(--success-color);
}

.badge-warning {
    background: #fef3c7;
    color: var(--warning-color);
}

.badge-info {
    background: #cffafe;
    color: var(--info-color);
}

.badge-gray {
    background: #f3f4f6;
    color: var(--gray-color);
}

/* Progress Bar */
.disk-quota {
    width: 100%;
}

.quota-text {
    font-size: 14px;
    margin-bottom: 8px;
    display: block;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #e5e7eb;
    border-radius: 999px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(to right, #10b981, #16a34a);
    transition: width 0.3s ease;
}

.progress-bar-sm {
    height: 6px;
}

/* Buttons */
.btn {
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

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

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

.btn-secondary {
    background: #f3f4f6;
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #e5e7eb;
}

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

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

.btn-sm {
    padding: 4px 12px;
    font-size: 13px;
}

.btn-icon {
    padding: 6px;
    background: transparent;
}

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

.btn-icon.btn-danger:hover {
    background: #fee2e2;
    color: var(--danger-color);
}

/* DNS and NS servers */
.dns-list, .ns-servers {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dns-server, .ns-servers code {
    font-family: 'Courier New', monospace;
    background: #f3f4f6;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 13px;
}

/* PHP Selector */
.php-selector {
    display: flex;
    align-items: center;
    gap: 8px;
}

.select-sm {
    padding: 4px 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #cbd5e1;
    transition: 0.3s;
    border-radius: 999px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--primary-color);
}

input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

/* Danger Zone */
.danger-zone {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 2px solid #fee2e2;
}

.danger-zone h3 {
    font-size: 16px;
    color: var(--danger-color);
    margin-bottom: 12px;
}

/* Table */
.table-wrapper {
    overflow-x: auto;
}

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

.subdomains-table th {
    text-align: left;
    padding: 12px;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
}

.subdomains-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

.subdomains-table tbody tr:nth-child(even) {
    background: #f9fafb;
}

.subdomains-table tbody tr:hover {
    background: #f3f4f6;
}

.subdomain-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.subdomain-link:hover {
    text-decoration: underline;
}

.disk-usage-cell {
    display: flex;
    align-items: center;
    gap: 8px;
}

.usage-text {
    font-size: 13px;
    color: var(--text-secondary);
    min-width: 100px;
}

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

/* Pagination */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    font-size: 14px;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-info {
    color: var(--text-secondary);
}

/* Advanced Actions */
.advanced-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--panel-bg);
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-md);
}

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

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Tooltip */
.tooltip {
    position: absolute;
    background: #1f2937;
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 13px;
    pointer-events: none;
    z-index: 1000;
    display: none;
    white-space: nowrap;
}

.tooltip.active {
    display: block;
}

.tooltip-trigger {
    cursor: help;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 12px;
    }

    .domain-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .header-main {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .domain-header h1 {
        font-size: 20px;
    }

    .context-menu-wrapper {
        position: absolute;
        right: 24px;
        top: 24px;
    }

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

    .info-item.full-width {
        grid-column: span 1;
    }

    .panel-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .btn-sm, .btn-icon {
        width: auto;
    }

    .php-selector {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .php-selector .btn, .php-selector select {
        width: 100%;
    }

    .cert-status, .awstats-control, .disk-control {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .cert-status .btn, .awstats-control .btn, .disk-control .btn {
        width: 100%;
    }

    .subdomains-table {
        font-size: 13px;
    }

    .subdomains-table th, .subdomains-table td {
        padding: 8px 4px;
    }

    .actions-cell {
        flex-direction: column;
        gap: 4px;
    }

    .actions-cell .btn-icon {
        width: 100%;
    }

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

    .advanced-actions {
        flex-direction: column;
    }

    .advanced-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .subdomains-table {
        display: block;
    }

    .subdomains-table thead {
        display: none;
    }

    .subdomains-table tbody {
        display: block;
    }

    .subdomains-table tr {
        display: block;
        margin-bottom: 16px;
        padding: 12px;
        background: var(--background-color);
        border-radius: 8px;
    }

    .subdomains-table td {
        display: block;
        padding: 4px 0;
        border: none;
    }

    .subdomains-table td:before {
        content: attr(data-label);
        font-weight: 600;
        display: block;
        margin-bottom: 4px;
        color: var(--text-secondary);
        font-size: 12px;
    }

    .disk-usage-cell {
        flex-direction: column;
        align-items: flex-start;
    }

    .usage-text {
        min-width: auto;
    }
}