.case-page { padding-bottom: 12px; }
.case-hero { max-width: 760px; padding: 8px 0 18px; }
.case-hero h1 { font-size: clamp(1.85rem, 4.5vw, 2.75rem); font-weight: 800; letter-spacing: -.04em; line-height: 1.12; margin-bottom: 12px; }
.case-hero p { color: var(--muted); font-size: 1.02rem; max-width: 640px; }
.case-tool, .case-article { max-width: 760px; }
.case-input { width: 100%; min-height: 220px; resize: vertical; background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 12px; padding: 16px; font: inherit; font-size: 16px; line-height: 1.6; }
.case-input:focus { outline: none; border-color: var(--violet); }
.case-stats { display: flex; flex-wrap: wrap; gap: 10px 18px; margin: 12px 0; color: var(--muted); font-size: .8rem; }
.case-stats b { color: var(--text); font-weight: 700; }
.case-actions, .case-btns, .case-links { display: flex; flex-wrap: wrap; gap: 8px; }
.case-actions { margin-bottom: 16px; }
.case-label { margin: 4px 0 8px; color: var(--muted); font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.case-btn { background: var(--surface2); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; font: inherit; font-size: .84rem; font-weight: 700; cursor: pointer; }
.case-btn:hover, .case-btn.active { border-color: var(--violet); color: var(--violet-xl); background: var(--glow); }
.case-hint { color: var(--muted); font-size: .82rem; margin: 8px 0 0; }
.case-links { margin: 8px 0 22px; }
.case-links a { text-decoration: none; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 7px 12px; font-size: .8rem; }
.case-links a:hover, .case-links a[aria-current="page"] { border-color: var(--violet); color: var(--violet-l); }
.case-faq details { border-top: 1px solid var(--border); padding: 12px 0; }
.case-faq summary { cursor: pointer; font-weight: 700; }
.case-faq p { margin-top: 8px; }
@media (max-width: 640px) {
  .case-input { min-height: 180px; }
}