/* ============================================================
   MAINTENANCE MODULE — Backup & Restore UI v2
   Premium design with light/dark mode support
   ============================================================ */

.maint-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

/* ── Server Info Cards ── */
.maint-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.maint-info-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    transition: transform 0.25s, box-shadow 0.25s;
    position: relative;
    overflow: hidden;
}
.maint-info-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0EA5E9, #059669);
    opacity: 0;
    transition: opacity 0.25s;
}
.maint-info-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}
.maint-info-card:hover::before {
    opacity: 1;
}
.maint-info-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 10px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.maint-info-icon svg {
    width: 20px;
    height: 20px;
}
.maint-info-icon.icon-app   { background: rgba(14,165,233,0.12); color: #0EA5E9; }
.maint-info-icon.icon-free  { background: rgba(16,185,129,0.12); color: #10B981; }
.maint-info-icon.icon-total { background: rgba(139,92,246,0.12); color: #8B5CF6; }
.maint-info-icon.icon-usage { background: rgba(245,158,11,0.12); color: #F59E0B; }
.maint-info-icon.icon-php   { background: rgba(99,102,241,0.12); color: #6366F1; }
.maint-info-value {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #0EA5E9, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}
.maint-info-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 4px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ── Disk gauge ── */
.maint-disk-gauge {
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary, #e2e8f0);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 10px;
}
.maint-disk-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.8s ease;
}

/* ── Section panels ── */
.maint-panel {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 24px;
    margin-bottom: 24px;
    transition: box-shadow 0.25s;
}
.maint-panel:hover {
    box-shadow: 0 8px 28px rgba(0,0,0,0.05);
}
.maint-panel-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}
.maint-panel-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.maint-panel-icon svg {
    width: 22px;
    height: 22px;
}
.maint-panel-icon.panel-backup  { background: linear-gradient(135deg, #0EA5E9, #0284C7); color: #fff; }
.maint-panel-icon.panel-db      { background: linear-gradient(135deg, #059669, #047857); color: #fff; }
.maint-panel-icon.panel-restore { background: linear-gradient(135deg, #F59E0B, #D97706); color: #fff; }
.maint-panel-icon.panel-list    { background: linear-gradient(135deg, #8B5CF6, #7C3AED); color: #fff; }
.maint-panel-icon.panel-status  { background: linear-gradient(135deg, #EC4899, #DB2777); color: #fff; }
.maint-panel-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}
.maint-panel-subtitle {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ── Action grid ── */
.maint-action-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
@media (max-width: 640px) {
    .maint-action-grid { grid-template-columns: 1fr; }
}

.maint-action-card {
    background: var(--bg-secondary, #f8fafc);
    border: 1px dashed var(--border-color);
    border-radius: 14px;
    padding: 24px;
    text-align: center;
    transition: all 0.25s;
}
.maint-action-card:hover {
    border-style: solid;
    border-color: #0EA5E9;
    background: rgba(14,165,233,0.03);
}
.maint-action-card .action-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 12px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.maint-action-card .action-icon svg {
    width: 24px;
    height: 24px;
}
.maint-action-card .action-icon.a-files  { background: rgba(14,165,233,0.12); color: #0EA5E9; }
.maint-action-card .action-icon.a-db     { background: rgba(5,150,105,0.12);  color: #059669; }
.maint-action-card .action-icon.a-upload  { background: rgba(245,158,11,0.12); color: #F59E0B; }
.maint-action-card .action-icon.a-uploaddb { background: rgba(139,92,246,0.12); color: #8B5CF6; }
.maint-action-card .action-title {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}
.maint-action-card .action-desc {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
    line-height: 1.4;
}

/* ── Buttons ── */
.maint-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    border: none;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    color: #fff;
    white-space: nowrap;
}
.maint-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}
.maint-btn:active { transform: translateY(0); }
.maint-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}
.maint-btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.maint-btn-files   { background: linear-gradient(135deg, #0EA5E9, #0284C7); }
.maint-btn-db      { background: linear-gradient(135deg, #059669, #047857); }
.maint-btn-danger  { background: linear-gradient(135deg, #EF4444, #DC2626); }
.maint-btn-warning { background: linear-gradient(135deg, #F59E0B, #D97706); }
.maint-btn-purple  { background: linear-gradient(135deg, #8B5CF6, #7C3AED); }
.maint-btn-secondary {
    background: var(--bg-tertiary, #e2e8f0);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.maint-btn-secondary:hover {
    background: var(--bg-secondary, #f1f5f9);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.maint-btn-sm {
    padding: 8px 16px;
    font-size: 0.8rem;
    border-radius: 10px;
}

/* ── DB selector ── */
.maint-db-select {
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--card-bg);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    width: 100%;
    margin-bottom: 12px;
}

/* ── File upload zone ── */
.maint-upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.25s;
    cursor: pointer;
    margin-bottom: 12px;
    position: relative;
}
.maint-upload-zone:hover,
.maint-upload-zone.dragover {
    border-color: #0EA5E9;
    background: rgba(14,165,233,0.04);
}
.maint-upload-zone.has-file {
    border-color: #10B981;
    border-style: solid;
    background: rgba(16,185,129,0.04);
}
.maint-upload-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}
.maint-upload-icon {
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.maint-upload-icon svg {
    width: 32px;
    height: 32px;
}
.maint-upload-text {
    font-size: 0.82rem;
    color: var(--text-secondary);
}
.maint-upload-text strong {
    color: #0EA5E9;
}
.maint-upload-filename {
    font-size: 0.85rem;
    font-weight: 600;
    color: #10B981;
    margin-top: 6px;
}

/* ── Backup list ── */
.maint-backup-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.maint-backup-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: var(--bg-secondary, #f8fafc);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    transition: all 0.2s;
}
.maint-backup-card:hover {
    border-color: #0EA5E9;
    box-shadow: 0 4px 16px rgba(14,165,233,0.08);
    background: var(--card-bg);
}

.maint-backup-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.maint-backup-icon svg {
    width: 20px;
    height: 20px;
}
.maint-backup-icon.type-files {
    background: linear-gradient(135deg, rgba(14,165,233,0.15), rgba(14,165,233,0.05));
    color: #0EA5E9;
}
.maint-backup-icon.type-database {
    background: linear-gradient(135deg, rgba(5,150,105,0.15), rgba(5,150,105,0.05));
    color: #059669;
}

.maint-backup-info {
    flex: 1;
    min-width: 0;
}
.maint-backup-name {
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.maint-backup-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 3px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}
.maint-backup-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.maint-backup-meta .meta-badge {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.maint-backup-meta .meta-badge.badge-files {
    background: rgba(14,165,233,0.12);
    color: #0EA5E9;
}
.maint-backup-meta .meta-badge.badge-db {
    background: rgba(5,150,105,0.12);
    color: #059669;
}

.maint-backup-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.maint-icon-btn {
    width: 34px;
    height: 34px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--card-bg);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}
.maint-icon-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}
.maint-icon-btn.btn-download:hover {
    color: #0EA5E9;
    border-color: #0EA5E9;
    background: rgba(14,165,233,0.08);
}
.maint-icon-btn.btn-restore:hover {
    color: #059669;
    border-color: #059669;
    background: rgba(5,150,105,0.08);
}
.maint-icon-btn.btn-delete:hover {
    color: #EF4444;
    border-color: #EF4444;
    background: rgba(239,68,68,0.08);
}
.maint-icon-btn svg {
    width: 15px;
    height: 15px;
}

/* ── DB status cards ── */
.maint-db-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
    margin-bottom: 0;
}

.maint-db-card {
    background: var(--bg-secondary, #f8fafc);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.2s;
}
.maint-db-card:hover {
    border-color: #10B981;
    box-shadow: 0 2px 10px rgba(16,185,129,0.06);
}
.maint-db-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    animation: maint-pulse 2s ease-in-out infinite;
}
.maint-db-status.online {
    background: #10B981;
    box-shadow: 0 0 8px rgba(16,185,129,0.4);
}
.maint-db-status.offline {
    background: #EF4444;
    box-shadow: 0 0 8px rgba(239,68,68,0.4);
    animation: none;
}
@keyframes maint-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}
.maint-db-info h4 {
    margin: 0;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
}
.maint-db-info p {
    margin: 2px 0 0;
    font-size: 0.73rem;
    color: var(--text-secondary);
}

/* ── Empty state ── */
.maint-empty {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-secondary);
}
.maint-empty svg {
    width: 52px;
    height: 52px;
    opacity: 0.2;
    margin-bottom: 14px;
}
.maint-empty p {
    font-size: 0.88rem;
    opacity: 0.7;
}

/* ── Loading ── */
.maint-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 60px;
    color: var(--text-secondary);
}
.maint-spinner {
    width: 28px;
    height: 28px;
    border: 3px solid var(--border-color);
    border-top-color: #0EA5E9;
    border-radius: 50%;
    animation: maint-spin 0.8s linear infinite;
}
@keyframes maint-spin {
    to { transform: rotate(360deg); }
}

/* ── Progress overlay ── */
.maint-progress-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,0.85);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
    animation: maint-fadeIn 0.3s ease;
}
@keyframes maint-fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.maint-progress-card {
    background: var(--card-bg, #fff);
    border-radius: 22px;
    padding: 44px 52px;
    text-align: center;
    max-width: 440px;
    width: 90%;
    box-shadow: 0 30px 70px rgba(0,0,0,0.3);
    animation: maint-slideUp 0.3s ease;
}
@keyframes maint-slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}
.maint-progress-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(14,165,233,0.12), rgba(5,150,105,0.08));
}
.maint-progress-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary, #1e293b);
    margin-bottom: 8px;
}
.maint-progress-detail {
    font-size: 0.82rem;
    color: var(--text-secondary, #64748b);
    margin-bottom: 22px;
    line-height: 1.5;
}
.maint-progress-bar-bg {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary, #e2e8f0);
    border-radius: 4px;
    overflow: hidden;
}
.maint-progress-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #0EA5E9, #059669);
    border-radius: 4px;
    transition: width 0.5s ease;
}

/* ── Confirm modal ── */
.maint-confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,0.75);
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    animation: maint-fadeIn 0.2s ease;
}
.maint-confirm-card {
    background: var(--card-bg, #fff);
    border-radius: 18px;
    padding: 32px;
    max-width: 460px;
    width: 90%;
    box-shadow: 0 25px 60px rgba(0,0,0,0.3);
    animation: maint-slideUp 0.25s ease;
}
.maint-confirm-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}
.maint-confirm-icon.icon-danger {
    background: rgba(239,68,68,0.1);
    color: #EF4444;
}
.maint-confirm-icon.icon-warning {
    background: rgba(245,158,11,0.1);
    color: #F59E0B;
}
.maint-confirm-icon svg {
    width: 24px;
    height: 24px;
}
.maint-confirm-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}
.maint-confirm-msg {
    font-size: 0.86rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}
.maint-confirm-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* ── Toast notification (si absent) ── */
.maint-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 14px 24px;
    border-radius: 12px;
    font-size: 0.88rem;
    font-weight: 600;
    color: #fff;
    z-index: 100001;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    animation: maint-slideUp 0.3s ease;
}

/* ── Backup count badge ── */
.maint-count-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 8px;
    border-radius: 11px;
    font-size: 0.72rem;
    font-weight: 700;
    margin-left: 8px;
}
.maint-count-badge.badge-blue {
    background: rgba(14,165,233,0.12);
    color: #0EA5E9;
}

/* ── File Browser ── */
.maint-path-bar {
    margin-bottom: 16px;
}
.maint-path-input-row {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}
.maint-path-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-secondary, #f8fafc);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-family: 'SFMono-Regular', 'Consolas', monospace;
}
.maint-path-input:focus {
    outline: none;
    border-color: #0EA5E9;
    box-shadow: 0 0 0 3px rgba(14,165,233,0.1);
}
.maint-path-actions {
    display: flex;
    gap: 8px;
}
.maint-file-list {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    max-height: 400px;
    overflow-y: auto;
}
.maint-file-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.15s;
    font-size: 0.84rem;
}
.maint-file-row:last-child {
    border-bottom: none;
}
.maint-file-row:hover {
    background: var(--bg-secondary, #f8fafc);
}
.maint-file-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.maint-file-icon svg {
    width: 16px;
    height: 16px;
}
.maint-file-icon.is-dir {
    background: rgba(245,158,11,0.1);
    color: #F59E0B;
}
.maint-file-icon.is-file {
    background: rgba(100,116,139,0.1);
    color: #64748b;
}
.maint-file-name {
    flex: 1;
    min-width: 0;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.maint-file-name.maint-file-parent {
    font-weight: 600;
    color: #0EA5E9;
}
.maint-file-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
    min-width: 60px;
    text-align: right;
}
.maint-file-list::-webkit-scrollbar {
    width: 6px;
}
.maint-file-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

/* ── DB Config Cards ── */
.maint-db-config-card {
    background: var(--bg-secondary, #f8fafc);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 18px;
    margin-bottom: 12px;
    transition: all 0.2s;
}
.maint-db-config-card:hover {
    border-color: #0EA5E9;
    box-shadow: 0 2px 12px rgba(14,165,233,0.06);
}
.maint-db-config-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}
.maint-db-config-title {
    font-size: 0.95rem;
    color: var(--text-primary);
}
.maint-db-config-actions {
    display: flex;
    gap: 6px;
    align-items: center;
}
.maint-db-config-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 8px;
}
.maint-db-config-field {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.maint-db-config-field .field-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.maint-db-config-field .field-value {
    font-size: 0.84rem;
    color: var(--text-primary);
    font-family: 'SFMono-Regular', 'Consolas', monospace;
    padding: 4px 8px;
    background: var(--card-bg);
    border-radius: 6px;
    border: 1px solid var(--border-color);
    word-break: break-all;
}
.maint-db-config-status {
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    min-height: 20px;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .maint-container { padding: 16px; }
    .maint-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .maint-action-grid {
        grid-template-columns: 1fr;
    }
    .maint-backup-card {
        flex-direction: column;
        align-items: flex-start;
    }
    .maint-backup-actions {
        width: 100%;
        justify-content: flex-end;
    }
    .maint-panel {
        padding: 18px;
    }
}