.music-brief-shell { max-width: 980px; }
.brief-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.brief-heading-row h2, .brief-result h2 { margin: 0; font-size: clamp(26px, 4vw, 38px); }
.brief-heading-row .eyebrow, .brief-result .eyebrow { margin-bottom: 8px; }
.brief-score { flex: 0 0 auto; min-width: 130px; padding: 12px 16px; border: 1px solid var(--line); border-radius: 16px; background: #f7faf8; text-align: right; }
.brief-score span { display: block; color: var(--muted); font-size: 12px; font-weight: 800; }
.brief-score strong { display: block; color: var(--green); font-size: 25px; font-variant-numeric: tabular-nums; }
.brief-progress { height: 8px; margin: 16px 0 28px; overflow: hidden; border-radius: 999px; background: #e0e8e3; }
.brief-progress span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--green), #38a47d); transition: width .2s ease; }
.brief-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.brief-input-unit { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 10px; }
.brief-input-unit span { color: var(--muted); font-weight: 800; }
.brief-fieldset { margin: 28px 0 0; padding: 0; border: 0; }
.brief-fieldset legend { margin-bottom: 10px; font-size: 14px; font-weight: 800; }
.brief-choice-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.brief-choice-grid label { display: flex; align-items: center; gap: 10px; min-height: 48px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 13px; background: #fbfcfb; font-weight: 750; cursor: pointer; }
.brief-choice-grid label:has(input:checked) { border-color: #79a996; background: #eef8f3; color: var(--green-2); }
.brief-choice-grid input { width: 18px; height: 18px; accent-color: var(--green); }
.brief-notes { min-height: 150px; }
.brief-generate { width: 100%; margin-top: 24px; justify-content: center; font-size: 16px; }
.brief-result { margin-top: 38px; padding-top: 36px; border-top: 1px solid var(--line); scroll-margin-top: 90px; }
.brief-output { min-height: 430px; margin-top: 18px; background: #f8faf9; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 14px; }
.brief-result .counter-actions { margin-top: 16px; }
.brief-result .affiliate-slot { margin-bottom: 0; }
@media (max-width: 700px) {
  .brief-heading-row { display: block; }
  .brief-score { width: 100%; margin-top: 16px; text-align: left; }
  .brief-form-grid, .brief-choice-grid { grid-template-columns: 1fr; }
  .brief-output { min-height: 520px; }
  .brief-result .counter-actions { display: grid; }
  .brief-result .counter-actions > * { width: 100%; justify-content: center; }
}