/* Scheme/branch directory, shared by the home page and chat. */
.subject-intro { margin: 0 0 14px; color: var(--ink-soft); font-size: 12.5px; line-height: 1.5; }
.subject-group { border: 1px solid var(--line); border-radius: 11px; margin: 9px 0; overflow: hidden; background: var(--card); }
.subject-group summary { cursor: pointer; display: flex; align-items: center; gap: 10px; padding: 13px 12px; list-style: none; }
.subject-group summary::-webkit-details-marker { display: none; }
.subject-group summary::after { content: '+'; font-size: 20px; color: var(--ink-faint); flex-shrink: 0; }
.subject-group[open] summary::after { content: '−'; }
.subject-group summary:focus-visible { outline: 2px solid var(--brand); outline-offset: -3px; }
.subject-group-heading { flex: 1; min-width: 0; display: grid; gap: 4px; }
.subject-group-heading strong { color: var(--ink); font-size: 14px; font-weight: 650; }
.subject-group-heading > span { font-size: 11.5px; color: var(--ink-soft); overflow-wrap: anywhere; }
.subject-count { border-radius: 99px; background: var(--brand-tint); color: var(--brand-deep); font-size: 11px; padding: 3px 8px; font-weight: 600; }
.subjects .subject-rows { display: block; margin: 0; padding: 0 12px 5px; list-style: none; }
.subjects li.subject-row { display: grid; grid-template-columns: minmax(0,1fr); align-items: start; gap: 7px; padding: 12px 0; border-top: 1px solid var(--line); }
.subject-info { min-width: 0; display: grid; gap: 4px; overflow-wrap: anywhere; }
.subjects .subject-info b { min-width: 0; font-size: 11px; font-weight: 650; letter-spacing: .035em; color: var(--brand); }
.subject-info > span { font-size: 13px; line-height: 1.5; color: var(--ink); }
.subject-coverage { justify-self: start; border-radius: 5px; padding: 3px 7px; background: var(--brand-tint); color: var(--brand-deep); font-size: 10.5px; font-weight: 550; white-space: normal; }
.subject-coverage.is-complete { color: #166534; background: #eef8ef; }
.subject-empty { font-size: 13px; color: var(--ink-soft); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
/* Admin: grouped rows retain editable metadata and familiar coverage controls. */
.sj-add-target { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin: 12px 0; font-size: 12px; color: var(--ink-soft); }
.sj-add-target select { max-width: 100%; min-width: 0; }
.sj-group { border: 1px solid var(--line); border-radius: 10px; margin: 12px 0; }
.sj-group > summary { padding: 12px; cursor: pointer; font-size: 13px; color: var(--ink); font-weight: 600; overflow-wrap: anywhere; }
.sj-group-rows { padding: 0 12px 12px; }
.sj-panel .sj-row { grid-template-columns: 110px minmax(0,1fr) 210px auto; align-items: start; padding: 14px 0; }
.sj-row label { display: grid; gap: 5px; color: var(--ink-soft); font-size: 11px; min-width: 0; }
.sj-row input { width: 100%; min-width: 0; box-sizing: border-box; }
.sj-metadata { grid-column: 1 / -1; display: grid; grid-template-columns: 110px 135px minmax(0,1fr); gap: 8px; }
.sj-group-add { margin-top: 10px; }
@media(max-width:760px) { .sj-panel .sj-row { grid-template-columns: minmax(0,1fr); } .sj-metadata { grid-template-columns: 1fr 1fr; } .sj-metadata label:last-child { grid-column: 1 / -1; } }