.arc-form-wrapper {
    max-width: 480px;
    margin: 2rem auto;
    padding: 2rem;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    font-family: inherit;
}
.arc-form-wrapper h2 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: #111827;
}
.arc-form-group {
    margin-bottom: 1.25rem;
}
.arc-form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #374151;
}
.arc-form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #D1D5DB;
    border-radius: 6px;
    font-size: 1rem;
}
.arc-form-group input:focus {
    outline: none;
    border-color: #6366F1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}
.arc-form-wrapper button {
    width: 100%;
    padding: 0.75rem;
    background: #6366F1;
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.2s;
}
.arc-form-wrapper button:hover {
    background: #4F46E5;
}
/* Password rules */
#arc-password-rules {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0 0;
    font-size: 0.875rem;
    color: #9CA3AF;
}
#arc-password-rules li.valid { color: #10B981; }
#arc-password-rules li.invalid { color: #EF4444; }
.rule-hidden { display: none; }
.rule-visible { font-size: 0.875rem; color: #EF4444; margin-top:0.25rem; display:block; }