.header-gradient {
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    color: white;
    border-radius: 0 0 20px 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}
.generator-card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}
.generator-card:hover {
    transform: translateY(-5px);
}
.btn-primary {
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    border: none;
    transition: all 0.3s;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(106, 17, 203, 0.3);
}
.placeholder-container {
    border: 1px dashed #ddd;
    border-radius: 8px;
    overflow: hidden;
    background: #f1f3f5;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}
.placeholder-container img {
    max-width: 100%;
    height: auto;
}
.copy-btn {
    cursor: pointer;
    transition: all 0.2s;
}
.copy-btn:hover {
    transform: scale(1.05);
}
.spinner-border {
    width: 1.5rem;
    height: 1.5rem;
    border-width: 0.2em;
}