.percentage-change-main { max-width: 620px; }
.percentage-change-form, .percentage-change-result { padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow); }
.percentage-change-form { display: grid; gap: 15px; }
.percentage-change-form label { display: grid; gap: 7px; color: var(--ink); font-size: 13px; font-weight: 650; }
.percentage-change-form input { width: 100%; min-height: 43px; padding: 9px 11px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-soft); color: var(--ink); font: inherit; }
.percentage-change-form button { justify-self: start; min-height: 43px; padding: 0 16px; }
.percentage-change-error { margin: 0; color: var(--danger); font-size: 12px; }
.percentage-change-result { margin-top: 15px; text-align: center; }
.percentage-change-result h2 { margin: 0 0 7px; color: var(--ink-soft); font-size: 13px; }
.percentage-change-result output { display: block; color: var(--accent); font-size: clamp(32px, 8vw, 46px); font-weight: 750; font-variant-numeric: tabular-nums; }
.percentage-change-result p { margin: 8px 0 0; color: var(--ink-soft); font-size: 12px; }
@media (max-width: 480px) { .percentage-change-form, .percentage-change-result { padding: 18px; } }