/* Reset and Base Styles */

* {

    margin: 0;

    padding: 0;

    box-sizing: border-box;

}



:root {

    --primary-color: #2563eb;

    --primary-dark: #1e40af;

    --secondary-color: #64748b;

    --success-color: #10b981;

    --danger-color: #ef4444;

    --warning-color: #f59e0b;

    --bg-primary: #0f172a;

    --bg-secondary: #1e293b;

    --bg-tertiary: #334155;

    --text-primary: #f1f5f9;

    --text-secondary: #cbd5e1;

    --text-muted: #94a3b8;

    --border-color: #475569;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);

    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);

    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    --radius-sm: 0.375rem;

    --radius-md: 0.5rem;

    --radius-lg: 0.75rem;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

}



body {

    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);

    color: var(--text-primary);

    line-height: 1.6;

    min-height: 100vh;

    padding: 1rem;

}



.dashboard-container {

    max-width: 1920px;

    margin: 0 auto;

}



/* Header Styles */

.dashboard-header {

    background: var(--bg-secondary);

    border-radius: var(--radius-lg);

    padding: 2rem;

    margin-bottom: 2rem;

    box-shadow: var(--shadow-lg);

    border: 1px solid var(--border-color);

}



.header-content {

    display: flex;

    justify-content: space-between;

    align-items: center;

    flex-wrap: wrap;

    gap: 2rem;

}



.dashboard-header h1 {

    font-size: 2rem;

    font-weight: 700;

    color: var(--text-primary);

    display: flex;

    align-items: center;

    gap: 0.75rem;

}



.dashboard-header h1 i {

    color: var(--primary-color);

}



.header-stats {

    display: flex;

    gap: 2rem;

    flex-wrap: wrap;

}



.stat-item {

    display: flex;

    flex-direction: column;

    gap: 0.5rem;

}



.stat-label {

    font-size: 0.875rem;

    color: var(--text-muted);

    text-transform: uppercase;

    letter-spacing: 0.05em;

}



.stat-value {

    font-size: 2rem;

    font-weight: 700;

    color: var(--primary-color);

}



/* Filters Section */

.filters-section {

    background: var(--bg-secondary);

    border-radius: var(--radius-lg);

    padding: 1.5rem;

    margin-bottom: 2rem;

    box-shadow: var(--shadow-md);

    border: 1px solid var(--border-color);

}



.filters-container {

    display: flex;

    gap: 1.5rem;

    flex-wrap: wrap;

    align-items: flex-end;

}



.filter-group {

    display: flex;

    flex-direction: column;

    gap: 0.5rem;

    flex: 1;

    min-width: 200px;

}



.filter-group label {

    font-size: 0.875rem;

    color: var(--text-secondary);

    font-weight: 500;

    display: flex;

    align-items: center;

    gap: 0.5rem;

}



.filter-group label i {

    color: var(--primary-color);

}



.filter-input {

    padding: 0.75rem 1rem;

    background: var(--bg-tertiary);

    border: 1px solid var(--border-color);

    border-radius: var(--radius-md);

    color: var(--text-primary);

    font-size: 1rem;

    transition: var(--transition);

    outline: none;

}



.filter-input:focus {

    border-color: var(--primary-color);

    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);

}



.filter-input:hover {

    border-color: var(--primary-color);

}



select.filter-input {

    cursor: pointer;

}



/* Buttons */

.btn-primary,

.btn-secondary,

.btn-icon {

    padding: 0.75rem 1.5rem;

    border: none;

    border-radius: var(--radius-md);

    font-size: 1rem;

    font-weight: 600;

    cursor: pointer;

    transition: var(--transition);

    display: inline-flex;

    align-items: center;

    gap: 0.5rem;

    white-space: nowrap;

}



.btn-primary {

    background: var(--primary-color);

    color: white;

}



.btn-primary:hover {

    background: var(--primary-dark);

    transform: translateY(-2px);

    box-shadow: var(--shadow-lg);

}



.btn-primary:active {

    transform: translateY(0);

}



.btn-secondary {

    background: var(--bg-tertiary);

    color: var(--text-primary);

    border: 1px solid var(--border-color);

}



.btn-secondary:hover {

    background: var(--bg-primary);

    border-color: var(--primary-color);

}



.btn-icon {

    background: transparent;

    color: var(--text-secondary);

    padding: 0.5rem 1rem;

}



.btn-icon:hover {

    color: var(--text-primary);

    background: var(--bg-tertiary);

}



/* Main Content */

.main-content {

    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 2rem;

    margin-bottom: 2rem;

}



@media (max-width: 1024px) {

    .main-content {

        grid-template-columns: 1fr;

    }

}



/* Devices Section */

.devices-section,

.map-section {

    background: var(--bg-secondary);

    border-radius: var(--radius-lg);

    padding: 1.5rem;

    box-shadow: var(--shadow-md);

    border: 1px solid var(--border-color);

}



.section-header {

    display: flex;

    justify-content: space-between;

    align-items: center;

    margin-bottom: 1.5rem;

    padding-bottom: 1rem;

    border-bottom: 1px solid var(--border-color);

}



.section-header h2 {

    font-size: 1.5rem;

    font-weight: 600;

    color: var(--text-primary);

    display: flex;

    align-items: center;

    gap: 0.5rem;

}



.section-header h2 i {

    color: var(--primary-color);

}



.loading-spinner {

    display: none;

    color: var(--primary-color);

    font-size: 1.5rem;

}



.loading-spinner.active {

    display: block;

    animation: spin 1s linear infinite;

}



@keyframes spin {

    from { transform: rotate(0deg); }

    to { transform: rotate(360deg); }

}



/* Devices List */

.devices-list {

    display: flex;

    flex-direction: column;

    gap: 1rem;

    max-height: 70vh;

    overflow-y: auto;

    padding-right: 0.5rem;

}



.devices-list::-webkit-scrollbar {

    width: 8px;

}



.devices-list::-webkit-scrollbar-track {

    background: var(--bg-tertiary);

    border-radius: var(--radius-sm);

}



.devices-list::-webkit-scrollbar-thumb {

    background: var(--border-color);

    border-radius: var(--radius-sm);

}



.devices-list::-webkit-scrollbar-thumb:hover {

    background: var(--primary-color);

}



.device-card {

    background: var(--bg-tertiary);

    border: 1px solid var(--border-color);

    border-radius: var(--radius-md);

    padding: 1.25rem;

    cursor: pointer;

    transition: var(--transition);

}



.device-card:hover {

    border-color: var(--primary-color);

    box-shadow: var(--shadow-md);

    transform: translateY(-2px);

}



.device-card.expanded {

    border-color: var(--primary-color);

    box-shadow: var(--shadow-lg);

}



.device-header {

    display: flex;

    justify-content: space-between;

    align-items: center;

}



.device-info {

    display: flex;

    align-items: center;

    gap: 1rem;

    flex: 1;

}



.device-icon {

    width: 48px;

    height: 48px;

    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));

    border-radius: var(--radius-md);

    display: flex;

    align-items: center;

    justify-content: center;

    font-size: 1.5rem;

    color: white;

    flex-shrink: 0;

}



.device-details {

    flex: 1;

}



.device-details h3 {

    font-size: 1.125rem;

    font-weight: 600;

    color: var(--text-primary);

    margin-bottom: 0.25rem;

}



.device-details h3 small {

    font-size: 0.875rem;

    color: var(--text-muted);

    font-weight: 400;

}



.device-details p {

    font-size: 0.875rem;

    color: var(--text-muted);

}



.device-actions {

    display: flex;

    gap: 0.5rem;

    align-items: center;

}



.expand-icon {

    color: var(--text-muted);

    transition: var(--transition);

    font-size: 1.25rem;

    margin-left: 0.5rem;

}



.device-card.expanded .expand-icon {

    transform: rotate(180deg);

    color: var(--primary-color);

}



.locations-list {

    display: none;

    margin-top: 1.5rem;

    padding-top: 1.5rem;

    border-top: 1px solid var(--border-color);

    flex-direction: column;

    gap: 0.75rem;

}



.device-card.expanded .locations-list {

    display: flex;

}



.location-item {

    background: var(--bg-primary);

    border: 1px solid var(--border-color);

    border-radius: var(--radius-md);

    padding: 1rem;

    display: flex;

    justify-content: space-between;

    align-items: center;

    transition: var(--transition);

}



.location-item:hover {

    border-color: var(--primary-color);

    background: var(--bg-secondary);

}



.location-info {

    flex: 1;

}



.location-info .coordinates {

    font-size: 0.875rem;

    color: var(--text-secondary);

    margin-bottom: 0.25rem;

}



.location-info .timestamp {

    font-size: 0.75rem;

    color: var(--text-muted);

}



.location-actions {

    display: flex;

    gap: 0.5rem;

}



.btn-small {

    padding: 0.5rem 1rem;

    font-size: 0.875rem;

    border-radius: var(--radius-sm);

    border: none;

    cursor: pointer;

    transition: var(--transition);

    display: inline-flex;

    align-items: center;

    gap: 0.25rem;

    text-decoration: none;

}



.btn-view-map {

    background: var(--primary-color);

    color: white;

}



.btn-view-map:hover {

    background: var(--primary-dark);

    transform: translateY(-1px);

}



.btn-view-details {

    background: var(--bg-tertiary);

    color: var(--text-primary);

    border: 1px solid var(--border-color);

}



.btn-view-details:hover {

    background: var(--bg-secondary);

    border-color: var(--primary-color);

}



/* Map Section */

.map-container {

    width: 100%;

    height: 70vh;

    border-radius: var(--radius-md);

    overflow: hidden;

    border: 1px solid var(--border-color);

}



/* Modal Styles */

.modal {

    display: none;

    position: fixed;

    top: 0;

    left: 0;

    width: 100%;

    height: 100%;

    background: rgba(0, 0, 0, 0.8);

    z-index: 1000;

    align-items: center;

    justify-content: center;

    padding: 1rem;

}



.modal.active {

    display: flex;

}



.modal-content {

    background: var(--bg-secondary);

    border-radius: var(--radius-lg);

    width: 100%;

    max-width: 600px;

    max-height: 90vh;

    overflow-y: auto;

    box-shadow: var(--shadow-xl);

    border: 1px solid var(--border-color);

    animation: modalSlideIn 0.3s ease-out;

}



@keyframes modalSlideIn {

    from {

        opacity: 0;

        transform: translateY(-20px);

    }

    to {

        opacity: 1;

        transform: translateY(0);

    }

}



.modal-header {

    display: flex;

    justify-content: space-between;

    align-items: center;

    padding: 1.5rem;

    border-bottom: 1px solid var(--border-color);

}



.modal-header h3 {

    font-size: 1.5rem;

    font-weight: 600;

    color: var(--text-primary);

}



.modal-close {

    background: transparent;

    border: none;

    color: var(--text-muted);

    font-size: 1.5rem;

    cursor: pointer;

    padding: 0.5rem;

    border-radius: var(--radius-sm);

    transition: var(--transition);

}



.modal-close:hover {

    color: var(--text-primary);

    background: var(--bg-tertiary);

}



.modal-body {

    padding: 1.5rem;

}



.modal-body .detail-row {

    display: flex;

    justify-content: space-between;

    align-items: center;

    padding: 0.75rem 0;

    border-bottom: 1px solid var(--border-color);

    gap: 1rem;

}



.modal-body .detail-row:last-child {

    border-bottom: none;

}



.modal-body .detail-label {

    font-weight: 600;

    color: var(--text-secondary);

    min-width: 140px;

}



.modal-body .detail-value {

    color: var(--text-primary);

    text-align: right;

}



.modal-body .text-muted {

    color: var(--text-muted);

}



/* Empty State */

.empty-state {

    text-align: center;

    padding: 3rem 1rem;

    color: var(--text-muted);

}



.empty-state i {

    font-size: 3rem;

    margin-bottom: 1rem;

    color: var(--border-color);

}



.empty-state p {

    font-size: 1.125rem;

}



.empty-state.error i {

    color: var(--danger-color);

}



.empty-state.error p {

    color: var(--text-secondary);

}



/* Responsive Design */

@media (max-width: 768px) {

    body {

        padding: 0.5rem;

    }



    .dashboard-header {

        padding: 1.5rem;

    }



    .header-content {

        flex-direction: column;

        align-items: flex-start;

        gap: 1.5rem;

    }



    .header-stats {

        width: 100%;

        justify-content: space-between;

    }



    .filters-container {

        flex-direction: column;

    }



    .filter-group {

        width: 100%;

    }



    .main-content {

        gap: 1rem;

    }



    .devices-section,

    .map-section {

        padding: 1rem;

    }



    .device-card {

        padding: 1rem;

    }



    .device-header {

        flex-direction: column;

        align-items: flex-start;

        gap: 1rem;

    }



    .device-info {

        width: 100%;

    }



    .device-actions {

        width: 100%;

        justify-content: space-between;

    }



    .location-item {

        flex-direction: column;

        align-items: flex-start;

        gap: 0.75rem;

    }



    .location-actions {

        width: 100%;

        justify-content: flex-start;

    }



    .map-container {

        height: 50vh;

    }



    .modal-body .detail-row {

        flex-direction: column;

        align-items: flex-start;

    }



    .modal-body .detail-label {

        min-width: auto;

    }



    .modal-body .detail-value {

        text-align: left;

        width: 100%;

    }

}



@media (max-width: 480px) {

    .dashboard-header h1 {

        font-size: 1.5rem;

    }



    .stat-value {

        font-size: 1.5rem;

    }



    .btn-primary,

    .btn-secondary {

        width: 100%;

        justify-content: center;

    }



    .device-actions .btn-view-map {

        flex: 1;

    }

}



/* Animation */

@keyframes fadeIn {

    from {

        opacity: 0;

        transform: translateY(10px);

    }

    to {

        opacity: 1;

        transform: translateY(0);

    }

}



.device-card {

    animation: fadeIn 0.3s ease-out;

}



/* Leaflet popup styling overrides */

.leaflet-popup-content-wrapper {

    background: var(--bg-secondary);

    color: var(--text-primary);

    border: 1px solid var(--border-color);

}



.leaflet-popup-tip {

    background: var(--bg-secondary);

    border: 1px solid var(--border-color);

}



.leaflet-popup-content strong {

    color: var(--primary-color);

}



.leaflet-popup-content small {

    color: var(--text-muted);

}