* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.wrapper {
    width: 100%;
    max-width: 900px;
}

.top {
    text-align: center;
    color: white;
    margin-bottom: 30px;
}

.top h1 {
    font-size: 2.2rem;
    font-weight: 600;
}

.top p {
    opacity: 0.9;
    margin-top: 8px;
}

.card {
    background: white;
    border-radius: 14px;
    padding: 35px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.upload-area {
    border: 2px dashed #6366f1;
    border-radius: 10px;
    padding: 50px;
    text-align: center;
    cursor: pointer;
    transition: 0.3s;
}

.upload-area:hover {
    background: #f8fafc;
}

.upload-area input {
    display: none;
}

.upload-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.upload-sub {
    font-size: 0.9rem;
    color: #6b7280;
}

.loading {
    text-align: center;
    padding: 40px;
}

.hidden {
    display: none;
}

.loader {
    width: 40px;
    height: 40px;
    border: 4px solid #eee;
    border-top: 4px solid #4f46e5;
    border-radius: 50%;
    margin: auto;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.preview {
    margin-top: 30px;
}

.images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.box {
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid #e5e7eb;
}

.box h3 {
    background: #4f46e5;
    color: white;
    padding: 10px;
    font-size: 0.9rem;
}

.box img,
.box canvas {
    width: 100%;
    max-height: 350px;
    object-fit: contain;
    background: #f3f4f6;
}

.actions {
    margin-top: 25px;
    display: flex;
    gap: 15px;
    justify-content: center;
}

.btn {
    padding: 10px 25px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-weight: 500;
    transition: 0.2s;
}

.primary {
    background: #4f46e5;
    color: white;
}

.primary:hover {
    background: #4338ca;
}

.secondary {
    background: #f3f4f6;
}

.small {
    margin-top: 10px;
    padding: 6px 18px;
    font-size: 0.85rem;
}

.adjust {
    margin-top: 25px;
    text-align: center;
}

.adjust label {
    font-size: 0.9rem;
}

.adjust input {
    width: 100%;
    margin-top: 8px;
}

@media (max-width: 768px) {
    .images {
        grid-template-columns: 1fr;
    }

}