/* IIS Timelapse Camera Dashboard Styles — Light Corporate Theme */

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

html {
    overflow-x: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(180deg, #eef1f8 0%, #f5f6fa 100px, #f5f6fa 100%);
    color: #333333;
    min-height: 100vh;
    max-width: 100vw;
    overflow-x: hidden;
}

/* Summary Stats */
.summary {
    display: flex;
    gap: 12px;
    padding: 16px 24px;
    flex-wrap: wrap;
}

.stat-card {
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 10px 16px;
    min-width: 130px;
    flex: 1;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    text-align: center;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

/* Subtle themed background tints */
.stat-card:nth-child(1) { background: rgba(100, 116, 139, 0.06); }
.stat-card:nth-child(2) { background: rgba(26, 86, 219, 0.06); }
.stat-card:nth-child(3) { background: rgba(5, 150, 105, 0.06); }
.stat-card:nth-child(4) { background: rgba(220, 38, 38, 0.06); }
.stat-card:nth-child(5) { background: rgba(5, 150, 105, 0.06); }

/* Hover: lift, shadow, and background tint intensifies */
.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.10);
}
.stat-card:nth-child(1):hover { background: rgba(100, 116, 139, 0.14); }
.stat-card:nth-child(2):hover { background: rgba(26, 86, 219, 0.14); }
.stat-card:nth-child(3):hover { background: rgba(5, 150, 105, 0.14); }
.stat-card:nth-child(4):hover { background: rgba(220, 38, 38, 0.14); }
.stat-card:nth-child(5):hover { background: rgba(5, 150, 105, 0.14); }

/* Stat card icons */
.stat-icon {
    width: 22px;
    height: 22px;
    margin-bottom: 2px;
}
.stat-icon-updated { color: #64748b; }
.stat-icon-total { color: #1a56db; }
.stat-icon-online { color: #059669; }
.stat-icon-offline { color: #dc2626; }
.stat-icon-battery { color: #059669; }

.stat-card .label {
    font-size: 11px;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card .value {
    font-size: 24px;
    font-weight: 700;
    margin-top: 2px;
}

.stat-card .value.updated { color: #64748b; font-size: 16px; }
.stat-card .value.total { color: #1a56db; }
.stat-card .value.online { color: #059669; }
.stat-card .value.offline { color: #dc2626; }
.stat-card .value.battery.bat-good { color: #059669; }
.stat-card .value.battery.bat-warning { color: #d97706; }
.stat-card .value.battery.bat-danger { color: #dc2626; }
.stat-card .value.battery { color: #6b7280; }

/* Battery stat gauge bar */
.stat-gauge {
    height: 6px;
    background: rgba(0,0,0,0.08);
    border-radius: 3px;
    margin-top: 8px;
    overflow: hidden;
}
.stat-gauge-fill {
    height: 100%;
    border-radius: 3px;
    width: 0;
    transition: width 0.6s ease;
}
.stat-gauge-fill.good { background: #059669; }
.stat-gauge-fill.warning { background: #d97706; }
.stat-gauge-fill.danger { background: #dc2626; }

/* Search & Filter */
.toolbar {
    padding: 0 24px 16px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.search-input {
    flex: 1;
    min-width: 200px;
    padding: 10px 14px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    background: #ffffff;
    color: #333333;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.search-input:focus {
    border-color: #1a56db;
}

.search-input::placeholder {
    color: #9ca3af;
}

.filter-btn {
    padding: 10px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    background: #ffffff;
    color: #333333;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn:hover {
    border-color: #1a56db;
    color: #1a56db;
}

.filter-btn.active {
    background: #1a56db;
    border-color: #1a56db;
    color: #ffffff;
}

.sort-select {
    padding: 9px 14px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    background: #ffffff;
    color: #374151;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}

.sort-select:hover {
    border-color: #1a56db;
}

.sort-select:focus {
    border-color: #1a56db;
    box-shadow: 0 0 0 2px rgba(26, 86, 219, 0.15);
}

/* Camera Grid */
.camera-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 12px;
    padding: 0 24px 24px;
}

/* Camera Card Link */
.camera-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
    min-width: 0;
}

/* Camera Card */
.camera-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    overflow: visible;
    transition: box-shadow 0.2s, transform 0.2s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
}

.camera-card.card-online {
    background: rgba(5, 150, 105, 0.04);
    border-color: rgba(5, 150, 105, 0.25);
}

.camera-card.card-offline {
    background: rgba(220, 38, 38, 0.04);
    border-color: rgba(220, 38, 38, 0.25);
}

.camera-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transform: translateY(-2px);
    background: #f0f5ff;
}
.camera-card.card-online:hover {
    background: rgba(5, 150, 105, 0.18);
    border-color: rgba(5, 150, 105, 0.35);
}
.camera-card.card-offline:hover {
    background: rgba(220, 38, 38, 0.18);
    border-color: rgba(220, 38, 38, 0.35);
}

.camera-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 6px 12px 4px;
    border-bottom: 1px solid #f3f4f6;
    flex-shrink: 0;
    height: auto;
    overflow: hidden;
}

.camera-card .card-header > div {
    min-width: 0;
    flex: 1;
}

.camera-card .camera-name {
    font-size: 13px;
    font-weight: 600;
    color: #111827;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.camera-card .camera-client {
    font-size: 10px;
    color: #6b7280;
    margin-top: 1px;
}

.camera-card .status-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
}

.status-badge.online {
    background: rgba(5, 150, 105, 0.1);
    color: #059669;
}

.status-badge.offline {
    background: rgba(220, 38, 38, 0.1);
    color: #dc2626;
}

.status-badge .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    display: inline-block;
}

.status-badge.online .dot { background: #059669; }
.status-badge.offline .dot { background: #dc2626; }

/* Health Badge */
.health-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: 10px;
    font-weight: 700;
    color: #ffffff;
    flex-shrink: 0;
    line-height: 1;
}

.health-badge.health-good { background: #22c55e; }
.health-badge.health-warn { background: #f59e0b; }
.health-badge.health-bad { background: #ef4444; }

/* Card Body */
.card-body {
    padding: 4px 12px;
    flex-shrink: 0;
    height: auto;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 10px;
}

.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2px 0;
}

.metric-label {
    font-size: 11px;
    color: #6b7280;
}

.metric-value {
    font-size: 12px;
    font-weight: 500;
    color: #333333;
}

.metric-value.warning { color: #d97706; }
.metric-value.danger { color: #dc2626; }
.metric-value.good { color: #059669; }

/* Metric Gauge Bars */
.metric-row.has-gauge { flex-wrap: wrap; }
.metric-gauge { width: 100%; height: 2px; background: #f3f4f6; border-radius: 2px; overflow: hidden; margin-top: 1px; }
.metric-gauge-fill { height: 100%; border-radius: 2px; transition: width 0.3s; }
.metric-gauge-fill.good { background: #059669; }
.metric-gauge-fill.warning { background: #d97706; }
.metric-gauge-fill.danger { background: #dc2626; }
.metric-gauge-fill.solar { background: #3b82f6; }

/* Disk Space Progress Bar */
.disk-bar-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.disk-bar {
    flex: 1;
    height: 6px;
    background: #e5e7eb;
    border-radius: 3px;
    overflow: hidden;
    min-width: 60px;
}

.disk-bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s;
}

.disk-bar-fill.low { background: #059669; }
.disk-bar-fill.medium { background: #d97706; }
.disk-bar-fill.high { background: #dc2626; }

/* Card Footer */
.card-footer {
    padding: 4px 12px;
    background: #f9fafb;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 10px;
    color: #9ca3af;
    flex-shrink: 0;
    height: auto;
}

.card-footer .error-code {
    color: #dc2626;
    font-weight: 600;
}

.card-footer .location {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Messages (console-style log output) */
.camera-messages {
    padding: 4px 8px;
    font-size: 10px;
    font-family: 'SF Mono', 'Menlo', 'Monaco', 'Consolas', 'Liberation Mono', 'Courier New', monospace;
    color: #d4d4d4;
    background: #1e1e1e;
    border-top: 1px solid #333;
    white-space: pre-wrap;
    word-break: break-all;
    overflow-wrap: break-word;
    line-height: 1.3;
    overflow-y: hidden;
    overflow-x: hidden;
    flex: 1;
    min-width: 0;
    min-height: 0;
    max-height: 60px;
}

.camera-messages:empty {
    background: #252525;
}

/* Loading */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #e5e7eb;
    border-top: 3px solid #1a56db;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Stale data flash — pulses red when Last Updated > 30 min old */
@keyframes staleFlash {
    0%, 100% { background: #ffffff; }
    50% { background: #fee2e2; }
}
.stat-card.stale {
    animation: staleFlash 2s ease-in-out infinite;
}
.stat-card.stale .stat-icon { color: #dc2626; }
.stat-card.stale .value { color: #dc2626; }

.loading-text {
    margin-top: 16px;
    color: #6b7280;
    font-size: 14px;
}

/* Error State */
.error-container {
    text-align: center;
    padding: 60px 20px;
}

.error-container .error-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.error-container .error-message {
    color: #dc2626;
    font-size: 16px;
    margin-bottom: 12px;
}

.error-container .retry-btn {
    padding: 10px 24px;
    border: none;
    border-radius: 8px;
    background: #1a56db;
    color: #ffffff;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.error-container .retry-btn:hover {
    background: #1e40af;
}

/* Error Code Reference */
.error-ref-section {
    margin: 16px 24px 24px;
}

.error-ref-toggle {
    display: block;
    width: 100%;
    padding: 12px 16px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    color: #1a56db;
    cursor: pointer;
    text-align: left;
    transition: background 0.2s;
}

.error-ref-toggle:hover {
    background: #f9fafb;
}

.error-ref-toggle::before {
    content: '\25B6';
    display: inline-block;
    margin-right: 8px;
    font-size: 10px;
    transition: transform 0.2s;
}

.error-ref-section.open .error-ref-toggle::before {
    transform: rotate(90deg);
}

.error-ref-content {
    display: none;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-top: none;
    border-radius: 0 0 8px 8px;
    padding: 16px;
}

.error-ref-section.open .error-ref-content {
    display: block;
}

.error-ref-section.open .error-ref-toggle {
    border-radius: 8px 8px 0 0;
}

.error-ref-intro {
    font-size: 13px;
    color: #6b7280;
    margin-bottom: 12px;
}

.error-ref-sub {
    font-size: 13px;
    color: #6b7280;
    margin: 16px 0 8px;
    font-weight: 600;
}

.error-ref-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.error-ref-table th {
    text-align: left;
    padding: 6px 10px;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    color: #374151;
    font-weight: 600;
    font-size: 12px;
}

.error-ref-table td {
    padding: 6px 10px;
    border: 1px solid #e5e7eb;
    color: #333333;
}

.error-ref-table tr:hover td {
    background: #f9fafb;
}

/* Overlay Confirm */
.overlay-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.overlay-dialog {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 28px;
    max-width: 400px;
    width: 90%;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.overlay-dialog .dialog-message {
    font-size: 15px;
    margin-bottom: 20px;
    line-height: 1.5;
    color: #333333;
}

.overlay-dialog .dialog-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.overlay-dialog .dialog-buttons button {
    padding: 10px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    font-weight: 500;
}

.overlay-dialog .btn-confirm {
    background: #1a56db;
    color: #ffffff;
}

.overlay-dialog .btn-confirm:hover {
    background: #1e40af;
}

.overlay-dialog .btn-cancel {
    background: #f3f4f6;
    color: #374151;
}

.overlay-dialog .btn-cancel:hover {
    background: #e5e7eb;
}

/* Responsive */
@media (max-width: 768px) {
    .error-ref-section { margin: 10px 12px 12px; }
    .error-ref-toggle { font-size: 12px; padding: 10px 12px; }
    .error-ref-content { padding: 12px; }
    .error-ref-table { font-size: 12px; }
    .error-ref-table th, .error-ref-table td { padding: 5px 8px; }
    .summary { padding: 10px 12px; gap: 8px; }
    .stat-card { min-width: 90px; padding: 8px 10px; }
    .stat-icon { width: 18px; height: 18px; margin-bottom: 2px; }
    .stat-card .label { font-size: 9px; letter-spacing: 0.3px; }
    .stat-card .value { font-size: 18px; }
    .stat-card .value.updated { font-size: 12px; }
    .toolbar { padding: 0 12px 10px; gap: 8px; }
    .camera-grid {
        grid-template-columns: 1fr;
        padding: 0 12px 12px;
        gap: 10px;
    }
    .camera-card-link {
        height: auto;
        min-width: 0;
    }
    .camera-card {
        border-radius: 8px;
        min-width: 0;
        max-width: 100%;
    }
    .camera-card .card-header {
        height: auto;
        padding: 10px 12px 8px;
    }
    .camera-card .camera-name {
        font-size: 13px;
    }
    .card-body {
        height: auto;
        padding: 6px 12px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0 12px;
    }
    .metric-row {
        padding: 3px 0;
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 4px;
    }
    .metric-label {
        font-size: 11px;
    }
    .metric-value {
        font-size: 12px;
        font-weight: 600;
    }
    .metric-gauge { height: 2px; margin-top: 1px; }
    .camera-messages {
        max-height: 40px;
        flex: none;
        font-size: 10px;
        padding: 4px 8px;
        line-height: 1.3;
        overflow-x: hidden;
    }
    .card-footer {
        height: auto;
        padding: 4px 12px;
        font-size: 10px;
    }
}

@media (max-width: 480px) {
    .summary {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 6px;
        padding: 8px 10px;
    }
    .stat-card {
        min-width: auto;
        padding: 5px 8px;
        display: flex;
        align-items: center;
        gap: 6px;
        text-align: left;
    }
    .stat-icon { width: 16px; height: 16px; margin-bottom: 0; flex-shrink: 0; }
    .stat-card .label { font-size: 9px; letter-spacing: 0.2px; }
    .stat-card .value {
        font-size: 14px;
        margin-top: 0;
        margin-left: auto;
        flex-shrink: 0;
    }
    .stat-card .value.updated { font-size: 10px; }
    .stat-gauge { display: none; }
    .toolbar {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 6px;
        padding: 0 10px 8px;
    }
    .search-input {
        min-width: auto;
        width: 100%;
        padding: 8px 10px;
        font-size: 13px;
    }
    .filter-btn {
        padding: 6px 10px;
        font-size: 11px;
        flex: 1;
        text-align: center;
    }
    .sort-select {
        padding: 6px 10px;
        font-size: 11px;
        padding-right: 26px;
    }
    .camera-grid {
        padding: 0 10px 10px;
        gap: 8px;
    }
    .camera-card {
        border-radius: 6px;
        min-width: 0;
        max-width: 100%;
    }
    .camera-card .card-header {
        padding: 8px 10px 6px;
    }
    .camera-card .camera-name {
        font-size: 12px;
    }
    .camera-card .camera-client {
        font-size: 10px;
    }
    .health-badge {
        width: 24px;
        height: 24px;
        font-size: 9px;
    }
    .camera-card .status-badge {
        font-size: 10px;
        padding: 3px 8px;
    }
    .card-body {
        padding: 4px 10px;
        grid-template-columns: 1fr 1fr;
        gap: 0 8px;
    }
    .metric-row {
        padding: 2px 0;
    }
    .metric-label {
        font-size: 10px;
    }
    .metric-value {
        font-size: 11px;
    }
    .metric-gauge { height: 2px; margin-top: 1px; }
    .camera-messages {
        max-height: 60px;
        font-size: 9px;
        padding: 4px 6px;
        overflow-x: hidden;
    }
    .card-footer {
        padding: 4px 10px;
        font-size: 9px;
    }
}

/* =============================================
   CAMERA GROUPS
   ============================================= */

/* Edit Groups / Create Group Buttons */
.edit-groups-btn {
    padding: 9px 14px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    background: #ffffff;
    color: #374151;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.edit-groups-btn:hover {
    border-color: #1a56db;
    color: #1a56db;
}

.edit-groups-btn.active {
    background: #1a56db;
    border-color: #1a56db;
    color: #ffffff;
}

.create-group-btn {
    padding: 9px 14px;
    border: 2px dashed #d1d5db;
    border-radius: 8px;
    background: transparent;
    color: #6b7280;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: none;
}

.create-group-btn:hover {
    border-color: #1a56db;
    color: #1a56db;
    background: rgba(26, 86, 219, 0.04);
}

/* Show create button only in edit mode */
.groups-edit-mode .create-group-btn {
    display: inline-block;
}

/* Group Sections */
.group-section {
    margin-bottom: 8px;
}

.group-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 24px 6px;
}

.group-drag-handle {
    display: none;
    cursor: grab;
    color: #9ca3af;
    font-size: 16px;
    padding: 2px 4px;
    user-select: none;
    line-height: 1;
}

.groups-edit-mode .group-drag-handle {
    display: block;
}

.group-drag-handle:active {
    cursor: grabbing;
}

.group-name {
    font-size: 15px;
    font-weight: 600;
    color: #1f2937;
}

.group-count {
    font-size: 12px;
    color: #6b7280;
    font-weight: 400;
}

.group-actions-select {
    display: none;
    margin-left: auto;
    padding: 4px 24px 4px 8px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: #ffffff;
    color: #374151;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 6px center;
}

.group-actions-select:hover {
    border-color: #1a56db;
}

.groups-edit-mode .group-actions-select {
    display: block;
}

.groups-edit-mode .group-name[data-group-id] {
    cursor: pointer;
    border-bottom: 1px dashed #9ca3af;
}

/* Group grid — same as camera-grid but scoped to group */
.group-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 12px;
    padding: 0 24px 12px;
    min-height: 40px;
}

/* Empty group drop zone */
.group-grid:empty {
    border: 2px dashed #e5e7eb;
    border-radius: 8px;
    margin: 0 24px 12px;
    padding: 0;
}

.groups-edit-mode .group-grid:empty {
    border-color: #93c5fd;
}

/* Ungrouped section */
.ungrouped-section .group-name {
    color: #6b7280;
    font-weight: 500;
    font-style: italic;
}

/* Inline Add Group Card (edit mode) */
.add-group-section {
    padding: 8px 24px 16px;
}

.add-group-card {
    width: 100%;
    padding: 18px;
    border: 2px dashed #93c5fd;
    border-radius: 12px;
    background: rgba(26, 86, 219, 0.04);
    color: #1a56db;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.add-group-card:hover {
    border-color: #1a56db;
    background: rgba(26, 86, 219, 0.08);
}

/* Drag Handle on Cards */
.drag-handle {
    display: none;
    cursor: grab;
    color: #9ca3af;
    font-size: 16px;
    padding: 4px 8px 4px 2px;
    user-select: none;
    line-height: 1;
    flex-shrink: 0;
    touch-action: none;
}

.drag-handle:hover {
    color: #1a56db;
}

.groups-edit-mode .drag-handle {
    display: block;
}

.drag-handle:active {
    cursor: grabbing;
}

/* Edit mode: card links styled non-interactive (navigation prevented via JS) */
.groups-edit-mode .camera-card-link {
    cursor: default;
}

.groups-edit-mode .camera-card {
    cursor: default;
}

.groups-edit-mode .camera-card:hover {
    transform: none;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

/* SortableJS drag states */
.sortable-ghost {
    opacity: 0.4;
}

.sortable-ghost .camera-card {
    border: 2px dashed #93c5fd;
    background: rgba(26, 86, 219, 0.06);
}

.sortable-chosen .camera-card {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transform: rotate(1deg);
}

.sortable-drag {
    opacity: 0.9;
}

/* Group section drag states */
.group-section.sortable-ghost {
    opacity: 0.4;
    border: 2px dashed #93c5fd;
    border-radius: 8px;
}

/* Overlay Input for group name */
.overlay-dialog .group-name-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 15px;
    color: #333333;
    background: #ffffff;
    outline: none;
    margin-bottom: 16px;
    transition: border-color 0.2s;
}

.overlay-dialog .group-name-input:focus {
    border-color: #1a56db;
    box-shadow: 0 0 0 2px rgba(26, 86, 219, 0.15);
}

.overlay-dialog .dialog-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #111827;
}

.overlay-dialog .btn-danger {
    background: #dc2626;
    color: #ffffff;
}

.overlay-dialog .btn-danger:hover {
    background: #b91c1c;
}

/* Responsive: Groups */
@media (max-width: 768px) {
    .group-header {
        padding: 8px 12px 4px;
    }
    .group-name {
        font-size: 14px;
    }
    .group-grid {
        grid-template-columns: 1fr;
        padding: 0 12px 10px;
        gap: 10px;
    }
    .group-grid:empty {
        margin: 0 12px 10px;
    }
    .group-actions-select {
        padding: 3px 20px 3px 6px;
        font-size: 10px;
    }
    .add-group-section {
        padding: 6px 12px 12px;
    }
    .add-group-card {
        padding: 14px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .group-header {
        padding: 6px 10px 4px;
        gap: 6px;
    }
    .group-name {
        font-size: 13px;
    }
    .group-grid {
        padding: 0 10px 8px;
        gap: 8px;
    }
    .group-grid:empty {
        margin: 0 10px 8px;
    }
    .edit-groups-btn,
    .create-group-btn {
        padding: 6px 10px;
        font-size: 11px;
    }
    .add-group-section {
        padding: 4px 10px 10px;
    }
    .add-group-card {
        padding: 12px;
        font-size: 13px;
    }
}

/* =============================================
   DARK MODE
   ============================================= */
[data-theme="dark"] body {
    background: #0f172a;
    color: #e2e8f0;
}

[data-theme="dark"] .summary {
    background: transparent;
}

[data-theme="dark"] .stat-card {
    background: #1e293b;
    border-color: #334155;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .stat-card .label {
    color: #94a3b8;
}

[data-theme="dark"] .stat-card .value {
    color: #e2e8f0;
}

[data-theme="dark"] .camera-card {
    background: #1e293b;
    border-color: #334155;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .camera-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .camera-card h3 {
    color: #e2e8f0;
}

[data-theme="dark"] .camera-card .camera-details {
    color: #94a3b8;
}

[data-theme="dark"] .status-badge.online {
    background: rgba(74, 222, 128, 0.15);
    color: #4ade80;
}

[data-theme="dark"] .status-badge.offline {
    background: rgba(248, 113, 113, 0.15);
    color: #f87171;
}

[data-theme="dark"] .modal-overlay {
    background: rgba(0, 0, 0, 0.7);
}

[data-theme="dark"] .modal-content {
    background: #1e293b;
    color: #e2e8f0;
}

[data-theme="dark"] .camera-card .metric-label {
    color: #94a3b8;
}

[data-theme="dark"] .camera-card .metric-value {
    color: #e2e8f0;
}

[data-theme="dark"] .metric-gauge {
    background: #334155;
}

[data-theme="dark"] .camera-grid-header {
    color: #e2e8f0;
}

[data-theme="dark"] .refresh-btn {
    background: #1e293b;
    color: #e2e8f0;
    border-color: #334155;
}

[data-theme="dark"] .refresh-btn:hover {
    background: #334155;
}

[data-theme="dark"] .section-title {
    color: #e2e8f0;
}

/* Dark Mode: Camera Groups */
[data-theme="dark"] .edit-groups-btn {
    background: #1e293b;
    border-color: #334155;
    color: #e2e8f0;
}

[data-theme="dark"] .edit-groups-btn:hover {
    border-color: #60a5fa;
    color: #60a5fa;
}

[data-theme="dark"] .edit-groups-btn.active {
    background: #2563eb;
    border-color: #2563eb;
    color: #ffffff;
}

[data-theme="dark"] .create-group-btn {
    border-color: #334155;
    color: #94a3b8;
}

[data-theme="dark"] .create-group-btn:hover {
    border-color: #60a5fa;
    color: #60a5fa;
    background: rgba(96, 165, 250, 0.08);
}

[data-theme="dark"] .group-name {
    color: #e2e8f0;
}

[data-theme="dark"] .group-count {
    color: #94a3b8;
}

[data-theme="dark"] .group-drag-handle {
    color: #64748b;
}

[data-theme="dark"] .drag-handle {
    color: #64748b;
}

[data-theme="dark"] .groups-edit-mode .group-name[data-group-id] {
    border-bottom-color: #64748b;
}

[data-theme="dark"] .group-actions-select {
    background-color: #1e293b;
    border-color: #334155;
    color: #e2e8f0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
}

[data-theme="dark"] .group-actions-select:hover {
    border-color: #60a5fa;
}

[data-theme="dark"] .group-actions-select option {
    background: #1e293b;
    color: #e2e8f0;
}

[data-theme="dark"] .group-grid:empty {
    border-color: #334155;
}

[data-theme="dark"] .groups-edit-mode .group-grid:empty {
    border-color: #3b82f6;
}

[data-theme="dark"] .ungrouped-section .group-name {
    color: #94a3b8;
}

[data-theme="dark"] .sortable-ghost .camera-card {
    border-color: #3b82f6;
    background: rgba(59, 130, 246, 0.1);
}

[data-theme="dark"] .add-group-card {
    border-color: #3b82f6;
    background: rgba(59, 130, 246, 0.08);
    color: #60a5fa;
}

[data-theme="dark"] .add-group-card:hover {
    border-color: #60a5fa;
    background: rgba(59, 130, 246, 0.15);
}

[data-theme="dark"] .overlay-dialog {
    background: #1e293b;
    border-color: #334155;
}

[data-theme="dark"] .overlay-dialog .dialog-title {
    color: #e2e8f0;
}

[data-theme="dark"] .overlay-dialog .dialog-message {
    color: #cbd5e1;
}

[data-theme="dark"] .overlay-dialog .group-name-input {
    background: #0f172a;
    border-color: #334155;
    color: #e2e8f0;
}

[data-theme="dark"] .overlay-dialog .group-name-input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .overlay-dialog .btn-cancel {
    background: #334155;
    color: #e2e8f0;
}

[data-theme="dark"] .overlay-dialog .btn-cancel:hover {
    background: #475569;
}

/* Dark Mode: Health Badge */
[data-theme="dark"] .health-badge.health-good { background: #16a34a; }
[data-theme="dark"] .health-badge.health-warn { background: #d97706; }
[data-theme="dark"] .health-badge.health-bad { background: #dc2626; }