/* ============================================ */
/* PROFESSIONAL DESIGN SYSTEM */
/* ============================================ */

/* Typography & Spacing System */
:root {
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Search & Filter Bar */
.search-filter-bar {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 250px;
    gap: var(--spacing-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0 var(--spacing-md);
    transition: all var(--transition-fast);
}

.search-input-wrapper:focus-within {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 188, 212, 0.1);
}

.search-input-wrapper input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    padding: var(--spacing-sm) 0;
}

.search-input-wrapper input::placeholder {
    color: var(--text-secondary);
}

.filter-group {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.filter-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-badge:hover {
    background: var(--accent-color);
    color: #fff;
}

/* Enhanced Statistics Cards */
.stat-card-enhanced {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-color);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.stat-card-enhanced:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.stat-card-enhanced:hover::before {
    opacity: 1;
}

.stat-card-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.stat-card-value {
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--accent-color);
    margin-bottom: var(--spacing-sm);
}

.stat-card-unit {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.stat-card-trend {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.stat-card-trend.positive {
    color: var(--success-color);
}

.stat-card-trend.negative {
    color: var(--error-color);
}

/* Modal System */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn var(--transition-fast);
}

.modal-overlay.active {
    display: flex;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp var(--transition-normal);
    border: 1px solid var(--border-color);
}

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

.modal-header h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0;
}

.modal-close-btn {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close-btn:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
}

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

/* Notification Toast System */
.notification-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 2000;
    max-width: 400px;
}

.toast-notification {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    animation: slideInRight var(--transition-normal);
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    border-left: 4px solid var(--accent-color);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(400px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast-notification.success {
    border-left-color: var(--success-color);
}

.toast-notification.error {
    border-left-color: var(--error-color);
}

.toast-notification.warning {
    border-left-color: var(--warning-color);
}

.toast-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.toast-message {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.toast-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.25rem;
    flex-shrink: 0;
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: var(--text-primary);
}

/* Tooltip System */
.tooltip-container {
    position: relative;
    display: inline-block;
}

.tooltip-text {
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    white-space: nowrap;
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.tooltip-container:hover .tooltip-text {
    opacity: 1;
}

.tooltip-text::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.8);
}

/* Export Menu */
.export-menu {
    position: relative;
    display: inline-block;
}

.export-menu-content {
    position: absolute;
    right: 0;
    top: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    margin-top: var(--spacing-sm);
    z-index: 100;
    display: none;
    animation: slideUp var(--transition-normal);
}

.export-menu-content.active {
    display: block;
}

.export-menu-item {
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.export-menu-item:last-child {
    border-bottom: none;
}

.export-menu-item:hover {
    background: var(--bg-tertiary);
    padding-left: calc(var(--spacing-lg) + 4px);
}

/* Activity Feed Enhancements */
.activity-controls {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    align-items: center;
    flex-wrap: wrap;
}

.activity-sort-dropdown,
.activity-filter-dropdown {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.activity-sort-dropdown:hover,
.activity-filter-dropdown:hover {
    border-color: var(--accent-color);
}

.activity-pagination {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.pagination-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

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

.pagination-info {
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Camera Grid View Modes */
.view-mode-selector {
    display: flex;
    gap: var(--spacing-sm);
    background: var(--bg-primary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    width: fit-content;
}

.view-mode-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
}

.view-mode-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #fff;
}

.view-mode-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* Camera Status Badge */
.camera-status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.camera-status-badge.offline {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
}

.camera-status-badge.maintenance {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.camera-status-badge.checking {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.camera-status-badge.online .status-indicator {
    background: var(--success-color);
}

.camera-status-badge.offline .status-indicator {
    background: var(--error-color);
}

.camera-status-badge.maintenance .status-indicator {
    background: var(--warning-color);
}

.camera-status-badge.checking .status-indicator {
    background: #3b82f6;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table thead {
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border-color);
}

.data-table th {
    padding: var(--spacing-md);
    text-align: left;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.8rem;
    user-select: none;
}

.data-table th.sortable {
    cursor: pointer;
    transition: background color var(--transition-fast);
}

.data-table th.sortable:hover {
    background: var(--bg-tertiary);
    color: var(--accent-color);
}

.data-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.data-table tbody tr {
    transition: background-color var(--transition-fast);
}

.data-table tbody tr:hover {
    background: var(--bg-primary);
}

/* Settings Panel */
.settings-container {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    overflow-y: auto;
    flex: 1;
    padding: 0.5rem;
    align-items: start;
}

.settings-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 0.75rem;
    margin-bottom: 0;
}

.settings-section h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.settings-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.625rem 0;
    border-bottom: 1px solid var(--border-color);
}

.settings-item:last-child {
    border-bottom: none;
}

.settings-label {
    flex: 1;
}

.settings-label h4 {
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-xs);
}

.settings-label p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin: 0;
}

/* Make About section span full width at bottom */
.settings-section:last-child {
    grid-column: span 2;
}

.settings-control {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.toggle-switch {
    position: relative;
    width: 50px;
    height: 28px;
    background: var(--bg-tertiary);
    border-radius: 14px;
    cursor: pointer;
    transition: background var(--transition-normal);
}

.toggle-switch.active {
    background: var(--success-color);
}

.toggle-switch::before {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: white;
    top: 2px;
    left: 2px;
    transition: left var(--transition-normal);
}

.toggle-switch.active::before {
    left: 24px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .search-filter-bar {
        flex-direction: column;
    }

    .search-input-wrapper {
        min-width: auto;
    }

    .modal-content {
        max-width: 95%;
    }

    .settings-container {
        grid-template-columns: 1fr;
    }

    .settings-section:last-child {
        grid-column: span 1;
    }

    .settings-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-lg);
    }

    .settings-control {
        width: 100%;
    }
}