/**
 * Admin Styles - Minimalistic Dashboard Design
 *
 * @package Entabit_Backup
 * @since 1.0.0
 */

/* Design System Variables */
:root {
    /* Colors - Monochromatic with minimal accent */
    --color-primary: #2271b1;
    --color-primary-hover: #135e96;
    --color-text-primary: #1e1e1e;
    --color-text-secondary: #646970;
    --color-text-muted: #949494;
    --color-background: #ffffff;
    --color-surface: #fafafa;
    --color-border: #e0e0e0;
    --color-border-hover: #d0d0d0;
    --color-success: #00a32a;
    --color-error: #d63638;
    --color-warning: #dba617;

    /* Typography */
    --font-size-page-title: 23px;
    --font-size-section-title: 18px;
    --font-size-card-title: 16px;
    --font-size-body: 14px;
    --font-size-small: 12px;
    --font-size-metric: 20px;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;

    /* Shadows */
    --shadow-subtle: 0 1px 3px rgba(0,0,0,0.04);
    --shadow-hover: 0 2px 8px rgba(0,0,0,0.06);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-medium: 250ms ease;
}

/* Main Container */
.entabit-backup-dashboard {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--color-text-primary);
    line-height: 1.5;
}

/* Typography */
.dashboard-header h1 {
    font-size: var(--font-size-page-title);
    font-weight: 600;
    margin: 0 0 var(--spacing-xl) 0;
    color: var(--color-text-primary);
}

h2 {
    font-size: var(--font-size-section-title);
    font-weight: 600;
    margin: 0 0 var(--spacing-md) 0;
    color: var(--color-text-primary);
}

/* Progress Container */
.progress-container {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.progress-header h3 {
    font-size: var(--font-size-card-title);
    font-weight: 600;
    color: var(--color-primary);
    margin: 0;
}

.button-text {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: var(--font-size-small);
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.button-text:hover {
    background: var(--color-border);
    color: var(--color-text-primary);
}

.progress-bar {
    background: var(--color-border);
    border-radius: 50px;
    height: 8px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    background: var(--color-primary);
    height: 100%;
    border-radius: 50px;
    transition: width var(--transition-medium);
    position: relative;
}

.progress-fill span {
    position: absolute;
    top: -24px;
    left: 50%;
    transform: translateX(-50%);
    font-size: var(--font-size-small);
    font-weight: 600;
    color: var(--color-text-secondary);
}

.progress-status {
    text-align: center;
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
}

/* Overview Section */
.overview-section {
    margin-bottom: var(--spacing-xl);
}

.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.overview-card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-fast);
}

.overview-card:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-hover);
}

/* Site Size Card */
.size-metrics {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.metric-primary {
    text-align: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.metric-primary .metric-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.metric-primary .metric-label {
    font-size: var(--font-size-body);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.size-breakdown {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.metric-item {
    text-align: center;
}

.metric-item .metric-value {
    font-size: var(--font-size-metric);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.metric-item .metric-label {
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.metric-item .metric-detail {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
}

/* Statistics Card */
.stats-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.stats-metrics .metric-item {
    padding: var(--spacing-md);
    background: var(--color-surface);
    border-radius: var(--radius-md);
    text-align: center;
}

/* Warnings */
.warnings {
    margin-top: var(--spacing-md);
}

.warning-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-small);
}

.warning-item:not(.error) {
    background: rgba(218, 166, 23, 0.1);
    color: var(--color-warning);
}

.warning-item.error {
    background: rgba(214, 54, 56, 0.1);
    color: var(--color-error);
}

.warning-icon {
    font-size: 14px;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
}

.button-primary {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-body);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.button-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.button-secondary {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-body);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.button-secondary:hover {
    background: var(--color-surface);
    border-color: var(--color-border-hover);
    color: var(--color-text-primary);
}

/* Backup History Section */
.backup-history-section {
    margin-bottom: var(--spacing-xl);
}

.backup-retention-note {
    color: var(--color-text-secondary);
    font-size: var(--font-size-small);
    margin: calc(-1 * var(--spacing-xs)) 0 var(--spacing-md) 0;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
}

.backup-table-container {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.backup-table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
}

.backup-table th {
    background: var(--color-surface);
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    font-size: var(--font-size-small);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border);
}

.backup-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

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

.backup-table tbody tr:hover {
    background: var(--color-surface);
}

.backup-name {
    font-weight: 600;
    color: var(--color-text-primary);
}

.date-primary {
    font-weight: 500;
    color: var(--color-text-primary);
}

.date-secondary {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    margin-top: 2px;
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 4px var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-small);
    font-weight: 500;
}

.status-completed {
    background: rgba(0, 163, 42, 0.1);
    color: var(--color-success);
}

.status-processing {
    background: rgba(34, 113, 177, 0.1);
    color: var(--color-primary);
}

.status-failed {
    background: rgba(214, 54, 56, 0.1);
    color: var(--color-error);
}

.status-pending {
    background: rgba(218, 166, 23, 0.1);
    color: var(--color-warning);
}

.spinner {
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

.error-detail {
    font-size: var(--font-size-small);
    color: var(--color-error);
    margin-top: 4px;
    font-style: italic;
}

/* Action Links */
.action-links {
    display: flex;
    gap: var(--spacing-sm);
}

.action-link {
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    font-size: var(--font-size-small);
    padding: 4px var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.action-link:hover {
    background: rgba(34, 113, 177, 0.1);
    color: var(--color-primary-hover);
}

/* Uninstall Options */
.uninstall-options-section {
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.section-intro {
    color: var(--color-text-secondary);
    margin: calc(-1 * var(--spacing-sm)) 0 var(--spacing-md) 0;
}

.uninstall-options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.uninstall-option {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    background: var(--color-background);
}

.uninstall-option h3,
.backup-storage-paths h3 {
    font-size: var(--font-size-card-title);
    margin: 0 0 var(--spacing-xs) 0;
}

.uninstall-option p,
.backup-storage-paths {
    color: var(--color-text-secondary);
    font-size: var(--font-size-small);
}

.uninstall-option-danger {
    border-color: rgba(214, 54, 56, 0.35);
}

.uninstall-option-link {
    display: inline-flex;
    text-decoration: none;
}

.uninstall-option label {
    display: block;
    font-size: var(--font-size-small);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.uninstall-confirm-row {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.uninstall-confirm-row input {
    min-height: 36px;
}

.button-danger {
    background: var(--color-error);
    color: #fff;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: var(--font-size-body);
}

.button-danger:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.backup-storage-paths {
    margin-top: var(--spacing-md);
}

.backup-storage-paths ul {
    margin: var(--spacing-xs) 0 0 0;
}

.backup-storage-paths code {
    word-break: break-all;
}

/* Footer */
.dashboard-footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-xl);
}

.dashboard-footer p {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    margin: 0;
}

.dashboard-footer a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.dashboard-footer a:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

/* Responsive Design */
@media screen and (max-width: 1024px) {
    .overview-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

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

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

@media screen and (max-width: 768px) {
    .entabit-backup-dashboard {
        padding: var(--spacing-md);
    }

    .size-breakdown {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

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

    .action-buttons {
        flex-direction: column;
    }

    .backup-table {
        font-size: var(--font-size-small);
    }

    .backup-table th,
    .backup-table td {
        padding: var(--spacing-sm);
    }

    .action-links {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .uninstall-options-grid {
        grid-template-columns: 1fr;
    }

    .uninstall-confirm-row {
        align-items: stretch;
        flex-direction: column;
    }
}

@media screen and (max-width: 480px) {
    .dashboard-header h1 {
        font-size: var(--font-size-section-title);
    }

    .overview-card {
        padding: var(--spacing-md);
    }

    .metric-primary .metric-value {
        font-size: 24px;
    }

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

    .backup-table {
        min-width: 500px;
    }
}

/* Animations */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.overview-card {
    animation: fadeIn 0.3s ease-out;
}

/* Focus States for Accessibility */
.button-primary:focus,
.button-secondary:focus,
.button-text:focus,
.action-link:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Loading States */
.button-primary[disabled] {
    position: relative;
}

.button-primary[disabled]::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    margin: auto;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}