.teaching-dialog { width:min(1200px,94vw);max-width:1200px;max-height:92vh;padding:28px;border:1px solid #d9e0dc;border-radius:20px;background:#fafbf8;color:#24352e;overflow:auto; }
.teaching-dialog::backdrop { background:rgba(19,36,29,.4);backdrop-filter:blur(3px); }
body:has(.teaching-dialog[open]) { overflow:hidden; }
.teaching-heading { display:flex;align-items:start;justify-content:space-between;gap:20px;position:sticky;top:-28px;z-index:2;background:#fafbf8;padding:8px 0; }
.teaching-heading>.quiet-button { flex:0 0 auto;white-space:nowrap; }
.teaching-heading h2 { margin:0;font-size:25px; }.teaching-heading p { margin:8px 0 18px;color:#66786f; }
.teaching-tabs { display:flex;gap:6px;border-bottom:1px solid #dce4df;padding-bottom:12px;margin-bottom:22px;flex-wrap:wrap; }
.teaching-tabs button { background:transparent;border:0;border-radius:9px;padding:10px 15px;color:#536a5f;font:inherit;cursor:pointer; }
.teaching-tabs button[aria-selected="true"] { background:#e2ede6;color:#22563d;font-weight:700; }
.teaching-layout { display:grid;grid-template-columns:minmax(280px,360px) minmax(0,1fr);gap:28px; }
.teaching-form { display:flex;flex-direction:column;gap:16px; }.teaching-form label { display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:600; }
.teaching-form input:not([type="checkbox"]),.teaching-form select,.teaching-form textarea { box-sizing:border-box;width:100%;padding:10px 12px;border:1px solid #ccd9d0;border-radius:8px;background:#fff;color:#24352e;font:inherit;line-height:1.5; }
.teaching-form textarea { resize:vertical; }.teaching-form input[type="file"] { padding:8px;font-size:12px; }
.teaching-form fieldset { margin:0;padding:15px;border:1px solid #dde4df;border-radius:12px;display:grid;gap:12px; }.teaching-form fieldset[hidden] { display:none; }
.teaching-form legend { padding:0 5px;font-size:13px;color:#54675d; }.teaching-field-pair { display:grid;grid-template-columns:1fr 1fr;gap:12px; }
.teaching-form .teaching-check { display:flex;flex-direction:row;align-items:center;gap:8px;margin-bottom:8px; }.teaching-check input { accent-color:#2c6b4c; }
.teaching-muted { color:#64766c;font-size:12px;line-height:1.7; }.teaching-file-row { display:flex;gap:8px;margin-top:9px;align-items:center; }.teaching-file-row button { white-space:nowrap; }
.teaching-actions { display:flex;gap:8px;align-items:center; }.teaching-actions .primary-button { flex:1; }.teaching-dialog button:disabled { opacity:.55;cursor:not-allowed; }
#teachingMessage { min-height:24px;font-size:13px;line-height:1.7;white-space:pre-wrap; }.teaching-dialog .error,.teaching-dialog .warning { color:#94451c; }
.teaching-results { background:#fff;border:1px solid #e0e6e2;border-radius:14px;padding:22px;min-width:0;min-height:340px; }
.teaching-results h3 { font-size:21px;margin:0 0 10px; }.teaching-results h4 { font-size:16px;line-height:1.7;margin:0 0 12px; }
.teaching-downloads { display:flex;gap:9px;flex-wrap:wrap;margin:14px 0 20px; }.teaching-download { color:#225b40;background:#e6f0e9;padding:9px 12px;border-radius:8px;text-decoration:none;font-size:13px; }
.teaching-slide,.teaching-question { border:1px solid #e1e7e3;padding:18px;margin:14px 0;border-radius:10px;overflow-wrap:anywhere;line-height:1.8; }.teaching-slide ul { padding-left:22px; }.teaching-slide li { margin:7px 0; }
.teaching-results p { white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8; }.teaching-results summary { cursor:pointer;color:#385b46;font-size:13px; }.teaching-review { margin-bottom:0;font-size:12px;color:#5c7668; }
.teaching-image { display:block;max-width:100%;max-height:65vh;object-fit:contain;border-radius:10px; }.teaching-photo-pair { display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start; }.teaching-photo-pair img { width:100%;height:auto;position:sticky;top:0; }.teaching-photo-pair>div { min-width:0; }
.teaching-history { margin-top:24px;border-top:1px solid #e4e9e5;padding-top:16px; }.teaching-history-item { width:100%;border:0;border-bottom:1px solid #edf0ed;padding:12px 0;background:transparent;text-align:left;font-size:12px;color:#4b6255;cursor:pointer; }
.teaching-gallery { display:grid;gap:7px; }.teaching-gallery label { flex-direction:row;align-items:center;font-weight:400; }.teaching-dialog :focus-visible { outline:2px solid #4c8565;outline-offset:3px; }
@media(max-width:800px) { .teaching-dialog { padding:18px; }.teaching-heading { top:-18px; }.teaching-layout { grid-template-columns:1fr; }.teaching-results { padding:16px; }.teaching-photo-pair { grid-template-columns:1fr; }.teaching-photo-pair img { max-height:380px;object-fit:contain;position:static; } }

.teaching-history-row {display:flex;gap:8px;align-items:center;border-bottom:1px solid var(--line,#ddd)}
.teaching-history-row .teaching-history-item {flex:1;min-width:0}
.teaching-slide-preview { display:block; width:100%; height:auto; margin:12px 0; border:1px solid #dce4e8; }