body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: #f8f9fa;
    color: #334155;
}

.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
}

.card-header {
    background-color: transparent !important;
    border-bottom: 1px solid #f1f5f9;
    padding: 1.25rem;
    font-weight: 700;
    color: #1e293b;
}

.card-body {
    padding: 1.25rem;
}

.btn {
    border-radius: 8px;
    padding: 0.6rem 1.2rem;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-primary {
    background-color: #2563eb;
    border-color: #2563eb;
}

.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-1px);
}

.navbar {
    padding: 0.8rem 0;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
}

#imagePreview img {
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    border: 4px solid white;
}

.table thead th {
    background-color: #f8fafc;
    color: #64748b;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid #e2e8f0;
}

.table tbody td {
    vertical-align: middle;
    color: #334155;
    padding: 1rem 0.75rem;
}

#generatedSql {
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 0.85rem;
    color: #475569;
    background-color: #f1f5f9 !important;
    border: 1px solid #e2e8f0;
}

.badge {
    padding: 0.5em 0.8em;
    border-radius: 6px;
    font-weight: 600;
}

.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    padding: 0.6rem 0.75rem;
}

.form-control:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
}

.dropdown-menu {
    border: none;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
    border-radius: 12px;
    padding: 0.5rem;
}

.dropdown-item {
    border-radius: 6px;
    padding: 0.6rem 1rem;
}