/* School-only guidance. Same typography, five-stop controls, and pinned chrome. */
body.histi-school { --palette-paper:#f7faff; --suite-bg:var(--palette-paper); }
body.histi-school #intro-screen .school-class-time { margin:0 0 22px; color:var(--palette-muted); font-size:14px; line-height:1.7; }
.school-principle { margin:24px 0; padding:18px 20px; border:1px solid #bbc8e4; border-radius:18px; background:var(--palette-iris-soft); color:var(--palette-ink); font-size:14px; line-height:1.65; }
.school-principle strong { display:block; margin-bottom:6px; font-weight:600; }
.school-principle p { margin:0; }
body[data-page="formats"] .app-card.school { --card-wash:var(--palette-blue-soft); --card-edge:#a9cadf; --card-ink:var(--palette-blue-ink); }
.home-format.school { --recipient-color:var(--palette-blue-soft); }
body.histi-school #intro-screen .school-principle { margin-top:0; }
body.histi-school #results-screen .school-principle { margin-top:22px; }
@media(max-width:680px) { .school-principle { padding:16px; } }