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

:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #16a34a;
    --danger-color: #dc2626;
    --warning-color: #f59e0b;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
    padding: 40px 20px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-lg);
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.header .subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Statistics Panel */
.stats-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Filter Panel */
.filter-panel {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.filter-panel h2 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.filter-group {
    display: flex;
    flex-direction: column;
}

.filter-group label {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.filter-group input,
.filter-group select {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

.filter-group input:focus,
.filter-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #1d4ed8;
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #475569;
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-success:hover {
    background-color: #15803d;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-photo {
    background-color: #8b5cf6;
    color: white;
    border: none;
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background-color 0.2s;
    white-space: nowrap;
}

.btn-photo:hover:not(:disabled) {
    background-color: #7c3aed;
}

.btn-photo:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Vehicle image thumbnail in table */
.photo-cell {
    text-align: center;
    vertical-align: middle;
    min-width: 80px;
}

.thumbnail {
    width: 80px;
    height: 55px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.thumbnail:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.no-img {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.filter-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Results Panel */
.results-panel {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.results-header h2 {
    font-size: 1.3rem;
    color: var(--text-primary);
}

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

/* Table */
.table-wrapper {
    overflow-x: auto;
    margin-bottom: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.vehicles-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.vehicles-table thead {
    background-color: #f1f5f9;
    border-bottom: 2px solid var(--border-color);
}

.vehicles-table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
}

.vehicles-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.vehicles-table tbody tr:hover {
    background-color: #f8fafc;
}

.vehicles-table .loading {
    text-align: center;
    font-style: italic;
    color: var(--text-secondary);
}

.vehicles-table .empty {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.page-numbers {
    display: flex;
    gap: 5px;
}

.page-numbers button {
    min-width: 36px;
    height: 36px;
    padding: 0;
    border: 1px solid var(--border-color);
    background-color: white;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 600;
    color: var(--text-primary);
}

.page-numbers button:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.page-numbers button.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.per-page-selector {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
}

.per-page-selector label {
    font-size: 0.9rem;
    font-weight: 600;
}

.per-page-selector select {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
}

/* Status Badges */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-info {
    background-color: #dbeafe;
    color: #1e40af;
}

.badge-success {
    background-color: #dcfce7;
    color: #15803d;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .header {
        padding: 25px 15px;
    }

    .header h1 {
        font-size: 1.8rem;
    }

    .stats-panel {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
    }

    .filter-grid {
        grid-template-columns: 1fr;
    }

    .filter-actions {
        flex-direction: column;
    }

    .filter-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .results-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .vehicles-table {
        font-size: 0.8rem;
    }

    .vehicles-table th,
    .vehicles-table td {
        padding: 8px 6px;
    }

    .pagination {
        flex-direction: column;
    }

    .per-page-selector {
        margin-left: 0;
        margin-top: 10px;
    }
}

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

.spinner {
    display: inline-block;
    animation: spin 1s linear infinite;
}

/* No Data State */
.no-data {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.no-data h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}