.form-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

.form {
    background-color: #ffffff;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    margin-bottom: 32px;
}

.chemical-form {
    background-color: #ffffff;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    margin-bottom: 32px;
}

label {
    display: block;
    margin-top: 12px;
    margin-bottom: 4px;
    font-weight: 500;
}

input {
    width: 96%;
    padding: 10px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
}

button {
    margin-top: 20px;
    background-color: #2563eb;
    color: white;
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    width: 100%;
}

button:hover {
    background-color: #1e40af;
}

.spinner {
    border: 2px solid #f3f3f3;
    border-top: 2px solid #3b82f6;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    animation: spin 0.8s linear infinite;
    display: inline-block;
    vertical-align: middle;
    margin-right: 6px;
}

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