:root {
    --primary-color: #1a73e8;
    --danger-color: #ea4335;
    --bg-light: #f8f9fa;
}

body {
    font-family: 'Google Sans', 'Segoe UI', Roboto, Arial, sans-serif;
    background: var(--bg-light);
}

.navbar {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95) !important;
}

.card {
    border: none;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.12);
}

.search-box {
    position: relative;
}

.search-box input {
    padding-right: 40px;
    border-radius: 24px;
    border: 1px solid #ddd;
    transition: all 0.3s ease;
}

.search-box input:focus {
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
    border-color: var(--primary-color);
}

.file-card {
    cursor: pointer;
    border-radius: 16px;
}

.file-card .card-body {
    padding: 2rem 1rem;
}

.file-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fef3f2;
    border-radius: 16px;
    margin-bottom: 1rem;
}

.file-icon i {
    font-size: 32px;
    color: var(--danger-color);
}

.btn-outline-primary {
    border-radius: 20px;
    padding: 6px 20px;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(26, 115, 232, 0.3);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .display-6 {
        font-size: 2rem;
    }
}

/* Animation for cards */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeInUp 0.5s ease-out;
}