:root {
    --primary-color: #4e73df;
    --secondary-color: #858796;
    --success-color: #1cc88a;
    --info-color: #36b9cc;
    --warning-color: #f6c23e;
    --danger-color: #e74a3b;
    --dark-color: #5a5c69;
    --light-color: #f8f9fc;
}

body {
    background-color: #f8f9fc;
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.file-card {
    transition: transform 0.2s;
    border: none;
    border-radius: 0.5rem;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    height: 100%;
}

.file-card:hover {
    transform: translateY(-5px);
}

.file-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.price-tag {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--success-color);
}

.hero-section {
    background: linear-gradient(135deg, #4e73df 0%, #224abe 100%);
    color: white;
    padding: 4rem 0;
    margin-bottom: 2rem;
}

.search-bar {
    max-width: 600px;
    margin: 0 auto;
}

.search-input {
    border-radius: 2rem 0 0 2rem;
    border: none;
    padding: 1rem 1.5rem;
}

.search-btn {
    border-radius: 0 2rem 2rem 0;
    padding: 0 1.5rem;
    background-color: var(--success-color);
    border: none;
    color: white;
}

.search-btn:hover {
    background-color: #169b6b;
    color: white;
}

.wallet-badge {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    color: white;
    font-weight: 600;
}