:root {
    --sidebar-width: 240px;
    --primary-color: #2563eb;
}

body {
    background: #f4f6f9;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
}

.sidebar .nav-link.active,
.sidebar .nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff !important;
    border-radius: 0.375rem;
}

.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.metric-card .display-6 {
    font-size: 2rem;
}

.vehicle-card:hover {
    transform: translateY(-2px);
    transition: transform 0.15s ease;
}

.login-page {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
}

.share-page {
    background: #eef2ff;
}

.share-card {
    max-width: 720px;
}

.share-logo {
    max-height: 64px;
}

@media print {
    .no-print {
        display: none !important;
    }
    body.share-page {
        background: #fff;
    }
    .share-card {
        box-shadow: none !important;
    }
}

@media (max-width: 768px) {
    .sidebar {
        position: static;
        width: 100%;
        min-height: auto;
    }
    .main-content {
        margin-left: 0;
    }
}