/* Academics module: lessons, homework, exams. Builds on app.css tokens. */
.ac-class-card { color: var(--ink); border-top: 4px solid var(--c); display: flex; flex-direction: column; gap: 2px; }
.ac-class-card:hover { text-decoration: none; border-color: #c9d2cf; border-top-color: var(--c); }
.ac-class-card .meter { margin: 8px 0 2px; }
.ac-big-meter { height: 8px; margin: -6px 0 16px; }

.ac-create > summary, .ac-lesson-foot summary { font-weight: 600; }
.ac-create form { margin-top: 14px; }
.ac-lesson { scroll-margin-top: 80px; }
.ac-lesson-head { display: flex; gap: 10px; align-items: flex-start; }
.ac-lesson-head h2 { margin: 0; }
.ac-topics { list-style: none; padding: 0; margin: 10px 0 0; border-top: 1px solid #eef1ef; }
.ac-topics > li { display: flex; gap: 10px; align-items: flex-start; padding: 10px 0; border-bottom: 1px solid #eef1ef; scroll-margin-top: 80px; flex-wrap: wrap; }
.ac-topics > li .grow { flex: 1 1 220px; }
.ac-tick { flex: none; width: 22px; height: 22px; border-radius: 50%; border: 2px solid #cfd6d3; display: grid; place-items: center; font-size: .75rem; font-weight: 800; color: #fff; margin-top: 1px; }
.is-done > .ac-tick { background: var(--good); border-color: var(--good); }
.ac-topic-actions { display: flex; gap: 6px; align-items: flex-start; flex-wrap: wrap; justify-content: flex-end; flex: 0 1 auto; max-width: 100%; }
.ac-cover { display: flex; gap: 6px; align-items: center; }
.ac-cover input[type=date] { min-height: 32px; padding: 4px 8px; width: 150px; font-size: .85rem; }
.ac-edit { margin: 0; }
.ac-edit > summary { padding: 6px 4px; font-size: .85rem; }
.ac-edit[open] { flex-basis: 100%; background: #f8faf9; border: 1px dashed var(--line); border-radius: 10px; padding: 10px; }
.ac-edit .row { margin-top: 10px; }
.ac-lesson-foot { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 8px; }
.ac-lesson-foot details { flex: 1 1 280px; }
.ac-lesson-foot details[open] { flex-basis: 100%; }
.ac-lesson-foot form { margin-top: 10px; }

ul.ac-files { list-style: none; padding: 0; margin: 6px 0; display: flex; flex-wrap: wrap; gap: 6px; }
ul.ac-files li { display: inline-flex; align-items: center; gap: 6px; background: #f3f6f5; border: 1px solid var(--line); border-radius: 8px; padding: 4px 9px; font-size: .84rem; max-width: 100%; }
ul.ac-files li a { overflow-wrap: anywhere; }
ul.ac-files label.check { font-weight: 500; color: var(--bad); }

/* homework */
.ac-tiles { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.ac-tiles .tile b { font-size: 1.35rem; }
@media (max-width: 520px) { .ac-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; } .ac-tiles .tile { padding: 10px 12px; } }
ul.ac-subs { list-style: none; margin: 0; padding: 0; }
.ac-sub { padding: 12px 18px; border-top: 1px solid #eef1ef; scroll-margin-top: 80px; }
.ac-sub-head { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.ac-sub.st-submitted, .ac-sub.st-late { background: #fffdf8; }
.ac-answer { white-space: normal; background: #f6f8f7; border-radius: 8px; padding: 8px 12px; margin: 8px 0; font-size: .9rem; overflow-wrap: anywhere; }
.ac-review { margin-top: 6px; }
.ac-review-form { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; margin-top: 8px; }
.ac-review-form label:first-of-type { flex: 0 0 140px; }
.ac-review-form label.grow { flex: 1 1 240px; }
ul.ac-hw-list li { padding: 0; }
.ac-hw-item { display: flex; align-items: center; gap: 12px; padding: 10px 0; color: var(--ink); width: 100%; }
.ac-hw-item:hover { text-decoration: none; background: #fafcfb; }
.ac-hw-item .badge { margin-top: 4px; }
.ac-due { min-width: 70px; font-size: .85rem; }
.ac-points { font-size: 1.1rem; }
.ac-points b { font-size: 1.8rem; color: var(--good); }

/* exams */
.ac-exam-card h2 { margin: 0 0 2px; }
.ac-exam-card .meter { margin: 6px 0 2px; }
.ac-results .row.between { align-items: flex-start; }
.ac-results .chips { margin: 0; }
.ac-res-table td, .ac-res-table th { padding: 8px 10px; }
.ac-res-table th small { font-weight: 500; text-transform: none; }
.gchip.ac-fail { text-decoration: underline; text-decoration-color: var(--bad); text-decoration-thickness: 2px; text-underline-offset: 2px; }
.ac-marks input.ac-mark { width: 96px; }
.ac-marks td { vertical-align: middle; }
.ac-marks td:last-child input { min-width: 160px; }
.ac-marks label.check { position: relative; }
.sr { position: absolute; left: 0; top: 0; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.ac-paper-rows { padding: 0 18px 8px; }
.ac-paper-row { display: grid; grid-template-columns: minmax(180px, 1.4fr) repeat(5, minmax(90px, 1fr)); gap: 10px; align-items: end; padding: 10px 0; border-bottom: 1px solid #eef1ef; }
.ac-paper-row label { font-size: .78rem; }
.ac-paper-pick { align-self: center; font-size: .9rem !important; }
@media (max-width: 900px) {
  .ac-paper-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ac-paper-pick { grid-column: 1 / -1; }
}
.ac-grades td { padding: 6px 8px; }
.ac-grades input { min-width: 70px; }

.ac-slip-sum { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 0 0 16px; }
.ac-slip-sum div { background: #f3f6f5; border-radius: 10px; padding: 10px 12px; display: flex; flex-direction: column; }
.ac-slip-sum small { color: var(--muted); font-size: .74rem; }
.ac-slip-sum b { font-size: 1.4rem; font-variant-numeric: tabular-nums; }
.ac-slip-sum b span { font-size: .85rem; font-weight: 500; color: var(--muted); }
@media (max-width: 600px) { .ac-slip-sum { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.ac-sign { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 44px; }
.ac-sign div { display: flex; flex-direction: column; gap: 4px; }
.ac-sign span { border-bottom: 1px solid var(--ink-2); height: 28px; }
.ac-sign small { color: var(--muted); }
@media (max-width: 600px) { .ac-sign { gap: 12px; } }
@media print { .ac-slip-sum div { border: 1px solid #ccc; } }

/* parent */
.ac-psyl { border-top: 1px solid #eef1ef; padding: 8px 0 0; }
.ac-psyl summary small { font-weight: 500; }
ul.ac-ptopics { list-style: none; padding: 0; margin: 8px 0; display: flex; flex-direction: column; gap: 6px; }
ul.ac-ptopics li { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; }
.ac-syl-row { padding: 8px 0; border-bottom: 1px solid #eef1ef; display: flex; flex-direction: column; gap: 4px; }
.ac-syl-row:last-child { border-bottom: 0; }
.ac-mini-result { display: flex; gap: 10px; align-items: center; padding: 10px 0 0; margin-top: 10px; border-top: 1px solid #eef1ef; flex-wrap: wrap; }
.ac-result-card .ac-slip-sum { margin-top: 12px; }

/* attendance form topic picker */
.ac-att-topic { margin: 18px 0 0; padding: 12px 14px; border: 1px dashed var(--line); border-radius: 10px; background: #f8faf9; display: flex; flex-direction: column; gap: 6px; }
.ac-att-topic legend { float: left; width: 100%; padding: 0; margin-bottom: 4px; }
.ac-att-topic label.check { align-items: flex-start; }
.ac-att-topic label.check input { margin-top: 4px; }