/* Global Styles for FaceSwap Magic */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    overflow-x: hidden;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Animation Classes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-shimmer {
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.4) 50%, transparent 100%);
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* Loading spinner */
.spinner {
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 3px solid var(--primary);
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* File upload hover effects */
.upload-area:hover .upload-icon {
    transform: translateY(-5px);
    transition: transform 0.3s ease;
}

.upload-icon {
    transition: transform 0.3s ease;
}

/* Button hover effects */
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.3);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(245, 158, 11, 0.3);
}

/* Card hover effects */
.hover-card {
    transition: all 0.3s ease;
}

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

/* Image preview styling */
.image-preview {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
}

.image-preview img {
    transition: transform 0.5s ease;
}

.image-preview:hover img {
    transform: scale(1.05);
}

/* Range slider customization */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    height: 8px;
    border-radius: 4px;
    background: #e5e7eb;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: 3px solid white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: 3px solid white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

/* Toast notification */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    transform: translateX(150%);
    transition: transform 0.3s ease;
    z-index: 1000;
    border-left: 4px solid var(--primary);
}

.toast.show {
    transform: translateX(0);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .upload-section {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .button-group {
        flex-direction: column;
        gap: 1rem;
    }
    
    .button-group button,
    .button-group a {
        width: 100%;
        justify-content: center;
    }
}

/* Print styles */
@media print {
    .no-print {
        display: none;
    }
}