/* Page 14 · Teacher dashboard (/teach). App shell from home.css; teacher tab bar has 3 tabs. */

.role-badge { margin-left: 6px; padding: 2px 8px; border-radius: 999px; background: var(--teal-soft); color: var(--teal); font-size: 0.7rem; font-weight: 800; letter-spacing: 0; }
.tabbar-3 { grid-template-columns: repeat(3, 1fr); }
.teach { padding-top: 8px; padding-bottom: 24px; }
.teach h1 { font-size: 1.4rem; }
.teach-grid { display: grid; gap: 16px; margin-top: 12px; }
.col { display: grid; gap: 16px; align-content: start; min-width: 0; }

.week-card { display: flex; align-items: center; gap: 14px; padding: 16px; border-radius: var(--radius); background: var(--ink); color: #fff; }
.ring { flex: none; }
#ring-bar { transition: stroke-dasharray 0.5s; }
.week-label { color: var(--gold); }
.week-card h2 { font-size: 1.1rem; margin-top: 2px; }
.week-sub { font-size: 0.82rem; color: #c9cbe0; margin-top: 2px; }

.block-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.block-head h2 { font-size: 1.05rem; }
.count { font-size: 0.8rem; color: var(--muted); font-weight: 700; }
.alerts { list-style: none; margin: 0; padding: 0 14px; box-shadow: none; }
.alerts li { display: flex; align-items: flex-start; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.alerts li:last-child { border-bottom: 0; }
.alert-icon { width: 34px; height: 34px; flex: none; border-radius: 10px; display: grid; place-items: center; }
.alert-icon.red { background: #fbe6e6; color: var(--bad); }
.alert-icon.orange { background: var(--accent-soft); color: var(--accent-ink); }
.alert-icon.teal { background: var(--teal-soft); color: var(--teal); }
.alert-text { flex: 1; min-width: 0; display: grid; }
.alert-text b { font-weight: 800; }
.alert-text span { font-size: 0.8rem; color: var(--muted); }
.alert-act { flex: none; min-height: 36px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--card); color: var(--accent-ink); font-weight: 800; font-size: 0.82rem; text-decoration: none; display: inline-flex; align-items: center; }
.alerts .empty { color: var(--muted); font-size: 0.9rem; }

.chart-card { padding: 12px; box-shadow: none; }
.chart-card svg { display: block; width: 100%; height: auto; }

.classes { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.class-card { display: block; padding: 14px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); text-decoration: none; color: inherit; }
.class-card:active { background: var(--paper-2); }
.class-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.class-top b { font-size: 1.02rem; }
.class-meta { font-size: 0.8rem; color: var(--muted); margin-top: 2px; }
.class-bar { height: 8px; margin-top: 8px; border-radius: 999px; background: var(--line); overflow: hidden; }
.class-bar span { display: block; height: 100%; border-radius: inherit; background: var(--ok); }
.class-bar span.mid { background: #e2a33a; }
.class-week { margin-top: 4px; font-size: 0.82rem; color: var(--ink-2); }
.new-class { font-weight: 800; font-size: 0.88rem; color: var(--accent-ink); text-decoration: none; min-height: 36px; display: inline-flex; align-items: center; padding: 0 2px; border: 0; background: none; cursor: pointer; }
.assign-btn { width: 100%; }
.proto-note { padding: 8px 10px; border: 1px dashed var(--line); border-radius: 10px; font-size: 0.75rem; color: var(--muted); }

/* No classes yet (a new teacher) */
.class-empty { padding: 20px 16px; border: 1.5px dashed var(--line); border-radius: var(--radius); background: var(--card); text-align: center; }
.class-empty svg { color: var(--teal); }
.class-empty h3 { font-size: 1.05rem; margin-top: 4px; }
.class-empty p { font-size: 0.88rem; color: var(--muted); margin: 4px 0 14px; }
.class-empty .btn-block { width: 100%; }
.class-msg { padding: 12px 14px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); font-size: 0.9rem; color: var(--ink-2); }
.class-msg button { margin-left: 6px; border: 0; background: none; padding: 0; color: var(--accent-ink); font-weight: 800; cursor: pointer; }
.teach.loading #classes { min-height: 96px; border-radius: var(--radius); background: var(--paper-2); }

/* Sheets: new class, class ready (dashboard); QR (class page) */
.qr-text { margin-top: 4px; font-size: 0.85rem; color: var(--ink-2); }
.qr { width: 240px; height: 240px; max-width: 100%; margin: 12px auto 0; }
.qr svg { width: 100%; height: 100%; display: block; }
.qr-code { margin-top: 6px; font-size: 1.5rem; font-weight: 800; letter-spacing: 6px; }
.f-clef { margin: 0; padding: 0; border: 0; min-width: 0; }
.f-clef legend { padding: 0; }
.seg { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 6px; }
.seg label { position: relative; }
.seg input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg span { display: grid; place-items: center; min-height: 44px; padding: 4px; border: 1.5px solid var(--line); border-radius: var(--radius-sm); background: #fff; font-weight: 700; font-size: 0.9rem; text-align: center; }
.seg input:checked + span { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-ink); }
.seg input:focus-visible + span { outline: 2px solid var(--ink); outline-offset: 2px; }
.done-icon { color: var(--ok); }
.done-sub { font-size: 0.85rem; color: var(--muted); margin-top: 2px; }
.done-label { margin-top: 14px; }
.done-code { margin-top: 6px; padding: 10px 0; border-radius: 12px; background: var(--paper-2); font-size: 1.7rem; font-weight: 800; letter-spacing: 6px; font-variant-numeric: tabular-nums; }
.done-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 10px; }
.done-actions .pill-btn, .share-btn { justify-content: center; width: 100%; min-height: 42px; }
.share-btn { margin-top: 8px; }
.done-how { margin-top: 10px; font-size: 0.8rem; color: var(--muted); text-align: left; }
.pill-btn { display: inline-flex; align-items: center; gap: 5px; min-height: 36px; padding: 4px 12px; border: 1.5px solid var(--ink); border-radius: 999px; background: var(--card); font-weight: 800; font-size: 0.8rem; cursor: pointer; }

@media (min-width: 900px) {
  .teach { padding-top: 32px; max-width: 1040px; }
  .teach h1 { font-size: 1.9rem; }
  .teach-grid { grid-template-columns: 1.05fr 1fr; gap: 24px; margin-top: 20px; }
  .col { gap: 24px; }
}