.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.header {
    text-align: center;
    margin-bottom: 3rem;
}

.header h1 {
    margin-bottom: 1rem;
}

.option-cards {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.option-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    width: 300px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

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

.option-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.option-card h3 {
    margin-bottom: 1rem;
}

.upload-interface {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.url-input {
    margin-bottom: 2rem;
}

.url-input input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--primary-color);
    border-radius: 5px;
}

.url-input input::placeholder {
    text-align: center;
}

.dropzone {
    border: 2px dashed var(--primary-color);
    padding: 3rem;
    text-align: center;
    border-radius: 10px;
    background: #f8f9fa;
    margin-bottom: 2rem;
}

.dropzone.dragover {
    background: #e3f2fd;
    border-color: var(--primary-color-tinted);
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.preview-item {
    position: relative;
    aspect-ratio: 1;
    background: #f8f9fa;
    border-radius: 5px;
    overflow: hidden;
}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-item .remove {
    position: absolute;
    top: 5px;
    right: 5px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    cursor: pointer;
    font-size: 10px;
    opacity: .8;
}

.btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s ease;
}

.btn:hover {
    background: #1976D2;
}