.ic-container {
    max-width: 600px;
    margin: 2rem auto;
    padding: 0 15px;
}

.ic-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    padding: 2rem;
}

.ic-card h2 {
    margin: 0 0 1.5rem;
    color: #333;
    display: flex;
    align-items: center;
    gap: 10px;
}

.ic-form-group {
    margin-bottom: 1.5rem;
}

.ic-form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #666;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

input[type="file"] {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

input[type="range"] {
    width: 100%;
    margin: 0.5rem 0;
}

#ic-quality-value {
    display: block;
    text-align: center;
    font-weight: bold;
    color: #0073aa;
}

button[type="submit"] {
    background: #0073aa;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    font-size: 1rem;
    transition: background 0.3s ease;
}

button[type="submit"]:hover {
    background: #005177;
}

#ic-result {
    margin-top: 1.5rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 4px;
    text-align: center;
}

#ic-result a {
    color: #0073aa;
    text-decoration: none;
    font-weight: bold;
}

#ic-loading {
    text-align: center;
    padding: 2rem;
}

.ic-hidden {
    display: none;
}

.ic-spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #0073aa;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: ic-spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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