/* Premium Aesthetics for Universal Content Transformer */

:root {
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-blur: 12px;
}

.dark {
    --glass-bg: rgba(31, 41, 55, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

.glass-morphism {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
}

.premium-gradient {
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
}

.premium-card {
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.premium-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

/* Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.glow-on-hover:hover {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

/* Multi-select styling */
.format-checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.5rem;
}

.format-checkbox-item {
    position: relative;
    cursor: pointer;
}

.format-checkbox-item input {
    position: absolute;
    opacity: 0;
}

.format-checkbox-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.75rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
    text-align: center;
}

.dark .format-checkbox-label {
    border-color: #374151;
}

.format-checkbox-item input:checked + .format-checkbox-label {
    background-color: #e0e7ff;
    border-color: #6366f1;
    color: #4338ca;
}

.dark .format-checkbox-item input:checked + .format-checkbox-label {
    background-color: rgba(99, 102, 241, 0.2);
    border-color: #818cf8;
    color: #c7d2fe;
}

.format-icon {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}