.iq-body {
    font-family: Arial, sans-serif;
    background: #f6f7fb;
    color: #1d1d1f;
    margin: 0;
}
.iq-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 24px;
}
.iq-header h1 {
    margin: 0 0 8px;
}
.iq-hint {
    font-size: 13px;
    color: #4b5563;
    margin: 4px 0 10px;
}
.iq-card {
    background: #fff;
    border: 1px solid #e4e5eb;
    border-radius: 10px;
    padding: 18px;
    margin-bottom: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}
.iq-btn {
    background: #3b82f6;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 10px 16px;
    cursor: pointer;
    font-weight: 600;
}
.iq-btn:hover { background: #2f6cd6; }
.iq-alert { padding: 12px 14px; border-radius: 8px; margin: 10px 0; }
.iq-alert-error { background: #fee2e2; color: #991b1b; }
.iq-modules { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit,minmax(160px,1fr)); gap: 8px; }
.iq-modules li { background: #f0f4ff; padding: 10px; border-radius: 6px; }
.iq-option { display: flex; align-items: center; gap: 8px; margin: 6px 0; }
.iq-form .iq-card h3 { margin-top: 0; }
.iq-score { font-size: 28px; font-weight: 700; }
.iq-visual {
    margin: 12px 0 10px;
    padding: 10px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    background: #f9fafb;
}
.iq-visual img {
    max-width: 100%;
    display: block;
    margin: 0 auto 8px;
    border-radius: 8px;
}
.iq-visual figcaption {
    margin: 0;
    font-size: 13px;
    color: #4b5563;
    text-align: center;
}

.iq-sequence {
    display: inline-block;
    padding: 10px 16px;
    margin-top: 6px;
    border-radius: 999px;
    background: #111827;
    color: #e5e7eb;
    font-weight: 600;
    letter-spacing: 0.16em;
}

.iq-sequence-input {
    margin-top: 10px;
}