/* ─────────────────────────────────────────────────────────────────────────────
   Teacher portal (بوابة المعلّمة) — additions to the dashboard kit.
   Tokens only, so the dark theme follows automatically.
   ───────────────────────────────────────────────────────────────────────────── */
@layer sections {

  /* ── Shared bits ─────────────────────────────────────────────────────────── */
  .t-eyebrow { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2); }
  .t-tone-1 { --tone: var(--c-1); --tone-soft: var(--app-accent-soft); }
  .t-tone-2 { --tone: var(--app-gold); --tone-soft: var(--app-gold-soft); }
  .t-tone-3 { --tone: var(--c-3); --tone-soft: color-mix(in srgb, var(--c-3) 13%, transparent); }
  .t-tone-4 { --tone: var(--c-4); --tone-soft: color-mix(in srgb, var(--c-4) 13%, transparent); }
  .t-tone-5 { --tone: var(--c-5); --tone-soft: color-mix(in srgb, var(--c-5) 13%, transparent); }
  .t-dot { display: inline-block; width: 0.55rem; height: 0.55rem; flex: none; border-radius: 50%; background: var(--tone, var(--app-accent)); }
  .t-inline-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-3); }
  .lesson.is-done .list__title { text-decoration: none; color: var(--app-text); }
  .t-wrap .list__title, .t-wrap .list__meta { white-space: normal; }
  .t-wrap .list__item { align-items: flex-start; }
  .t-inline-stats > div { padding: var(--s-3); border-radius: var(--app-radius-sm); background: var(--app-surface-2); border: 1px solid var(--app-border); }
  .t-section-title { font-family: var(--font-display); font-size: 1rem; font-weight: 700; margin-bottom: var(--s-3); }

  /* Quick actions (home) */
  .t-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-3); }
  .t-action {
    display: grid;
    justify-items: start;
    gap: var(--s-2);
    padding: var(--s-4);
    border-radius: var(--app-radius-sm);
    border: 1px solid var(--app-border);
    background: var(--app-surface-2);
    color: var(--app-text);
    text-align: start;
    font-size: var(--fs-small);
    font-weight: 600;
    transition: transform 0.25s var(--ease-out), border-color 0.18s linear, background-color 0.18s linear, box-shadow 0.25s var(--ease-out);
  }
  .t-action:hover { transform: translateY(-2px); border-color: var(--app-border-strong); background: var(--app-surface); box-shadow: var(--app-shadow); }
  .t-action small { color: var(--app-muted); font-weight: 400; font-size: var(--fs-caption); }

  /* Date block (deadlines) */
  .t-date { display: grid; place-items: center; width: 2.9rem; height: 3.1rem; flex: none; border-radius: 12px; background: var(--app-surface-2); border: 1px solid var(--app-border); line-height: 1.1; }
  .t-date b { font-family: var(--font-display); font-size: 1.15rem; color: var(--app-text); font-variant-numeric: tabular-nums; }
  .t-date span { font-size: 0.66rem; color: var(--app-muted); }
  .t-date--soon { background: var(--app-accent-soft); border-color: transparent; }
  .t-date--soon b { color: var(--app-accent-strong); }

  /* Lesson quick action inside the lessons list */
  .lesson .btn { flex: none; }
  .lesson--duty .lesson__time { color: var(--app-info); }

  /* Attention list: soft tone */
  .t-care { display: flex; align-items: center; gap: var(--s-2); flex-wrap: wrap; }

  /* ── Timetable additions ────────────────────────────────────────────────── */
  .t-timetable .timetable__cell.is-today { background: color-mix(in srgb, var(--app-accent) 4%, transparent); }
  .t-timetable .timetable__head.is-today { position: relative; }
  .t-timetable .timetable__head.is-today::after { content: ""; position: absolute; inset-inline: 30%; bottom: -1px; height: 3px; border-radius: 3px 3px 0 0; background: linear-gradient(to left, var(--app-accent), var(--app-gold)); }
  .t-timetable .timetable__time b { display: block; color: var(--app-muted); font-size: 0.72rem; }
  .t-timetable .timetable__time.is-break, .t-timetable .timetable__cell.is-break { min-height: 3rem; background: var(--app-surface-2); }
  .slot--red { --slot-bg: var(--app-accent-soft); --slot-c: var(--app-accent); }
  .slot--duty {
    --slot-c: var(--app-info);
    background: repeating-linear-gradient(135deg, var(--app-info-soft) 0 7px, transparent 7px 14px), var(--app-surface);
  }
  .slot--meeting { --slot-c: var(--app-gold); background: repeating-linear-gradient(135deg, var(--app-gold-soft) 0 7px, transparent 7px 14px), var(--app-surface); }
  .slot--free { background: transparent; border: 1px dashed var(--app-border-strong); border-inline-start-width: 1px; place-content: center; text-align: center; }
  .slot--free .slot__title { color: var(--app-faint); font-weight: 500; }
  .slot--free:hover { transform: none; box-shadow: none; }
  .slot__tag { justify-self: start; margin-top: 2px; padding: 0 0.4rem; border-radius: 999px; background: var(--app-surface); color: var(--slot-c, var(--app-accent)); font-size: 0.66rem; font-weight: 700; }
  .t-legend { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-4); color: var(--app-muted); font-size: var(--fs-caption); }
  .t-legend span { display: inline-flex; align-items: center; gap: var(--s-2); }
  .t-legend i { width: 0.8rem; height: 0.8rem; border-radius: 4px; background: var(--c); border-inline-start: 3px solid var(--b, var(--c)); }
  [data-week][hidden] { display: none; }

  /* ── Class cards ────────────────────────────────────────────────────────── */
  .t-class-card { display: grid; overflow: hidden; }
  .t-class-card[hidden] { display: none; }
  .t-class-card__band {
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--s-3);
    padding: var(--s-5) var(--s-5) var(--s-4);
    background: linear-gradient(160deg, var(--tone-soft), transparent 85%);
    border-bottom: 1px solid var(--app-border);
  }
  .t-class-card__band::before { content: ""; position: absolute; inset-inline: 0; top: 0; height: 4px; background: var(--tone); }
  .t-class-card__title { font-family: var(--font-display); font-size: 1.35rem; font-weight: 700; line-height: 1.3; }
  .t-class-card__title a { color: inherit; }
  .t-class-card__title a::after { content: ""; position: absolute; inset: 0; z-index: 1; border-radius: var(--app-radius); }
  .t-class-card__title a:focus-visible { outline: none; }
  .t-class-card:has(.t-class-card__title a:focus-visible) { box-shadow: var(--app-ring), var(--app-shadow-lg); }
  .t-class-card__body { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: var(--s-5); padding: var(--s-4) var(--s-5); }
  .t-class-card__stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-3) var(--s-4); }
  .t-class-card__next { display: flex; align-items: center; gap: var(--s-3); margin: 0 var(--s-5); padding: var(--s-3); border-radius: var(--app-radius-sm); background: var(--app-surface-2); border: 1px solid var(--app-border); font-size: var(--fs-small); }
  .t-class-card__next svg { width: 1.1rem; height: 1.1rem; color: var(--tone); flex: none; }
  .t-class-card__foot { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); padding: var(--s-4) var(--s-5); }
  .t-class-card__foot .link-more, .t-class-card .btn { position: relative; z-index: 2; }
  .avatar-stack .t-more { --size: 2rem; background: var(--app-sunken); color: var(--app-muted); font-family: var(--font-body); font-size: 0.7rem; }

  /* ── Class detail ───────────────────────────────────────────────────────── */
  .t-crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-1); color: var(--app-muted); font-size: var(--fs-caption); }
  .t-crumbs a { color: var(--app-accent-strong); font-weight: 600; }
  .t-crumbs svg { width: 0.9rem; height: 0.9rem; color: var(--app-faint); }
  .t-class-hero { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: var(--s-5); padding: var(--s-5); }
  .t-class-hero__badge { display: grid; place-items: center; width: 4.25rem; height: 4.25rem; border-radius: 20px; background: linear-gradient(150deg, var(--app-accent), var(--app-accent-strong)); color: #fff; font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; box-shadow: 0 14px 26px -16px var(--app-accent); }
  .t-class-hero__stats { display: flex; flex-wrap: wrap; gap: var(--s-6); }
  .t-drawer-hero { display: flex; align-items: center; gap: var(--s-4); padding: var(--s-4); border-radius: var(--app-radius); background: linear-gradient(160deg, var(--app-accent-soft), var(--app-surface-2) 80%); }
  .t-kv { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-3); }
  .t-kv > div { display: grid; gap: 2px; padding: var(--s-3); border-radius: var(--app-radius-sm); background: var(--app-surface-2); border: 1px solid var(--app-border); min-width: 0; }
  .t-kv dt { color: var(--app-muted); font-size: var(--fs-caption); }
  .t-kv dd { font-weight: 600; font-size: var(--fs-small); overflow-wrap: anywhere; }
  .dtable tr[data-student-row] { cursor: pointer; }
  .t-note-card { display: grid; gap: var(--s-1); padding: var(--s-3) var(--s-4); border-radius: var(--app-radius-sm); background: var(--app-surface-2); border: 1px solid var(--app-border); }
  .timeline .t-note-card { margin-top: var(--s-1); }

  /* ── Attendance ─────────────────────────────────────────────────────────── */
  .t-att-controls { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)) auto; align-items: end; gap: var(--s-3); padding: var(--s-4) var(--s-5); }
  .t-att-summary { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: var(--s-5); }
  .t-att-counts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-2); }
  .t-att-count { display: flex; align-items: center; gap: var(--s-2); padding: var(--s-2) var(--s-3); border-radius: var(--app-radius-sm); background: var(--app-surface-2); border: 1px solid var(--app-border); font-size: var(--fs-caption); color: var(--app-muted); }
  .t-att-count b { margin-inline-start: auto; font-family: var(--font-display); font-size: 1.15rem; color: var(--app-text); font-variant-numeric: tabular-nums; }
  .t-att-table td { white-space: nowrap; }
  .t-att-table .t-att-note { min-width: 11rem; }
  .t-att-table .t-att-note .input { min-height: 2.15rem; font-size: var(--fs-caption); }
  [data-att-row][data-state="late"] { background: color-mix(in srgb, var(--app-warn) 5%, transparent); }
  [data-att-row][data-state="excused"] { background: color-mix(in srgb, var(--app-info) 5%, transparent); }
  .t-heat-grid { display: grid; grid-template-columns: 5.5rem minmax(0, 1fr); align-items: center; gap: var(--s-2) var(--s-3); }
  .t-heat-grid .heat { gap: 3px; }
  .t-heat-grid .heat i { aspect-ratio: auto; height: 1.35rem; }
  .t-att-table td:nth-child(2) { min-width: 12.5rem; }
  .t-heat-legend { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2) var(--s-3); color: var(--app-muted); font-size: var(--fs-caption); }
  .t-heat-legend i { display: inline-block; width: 0.8rem; height: 0.8rem; border-radius: 3px; background: var(--app-sunken); vertical-align: middle; margin-inline-end: 0.3rem; }
  .t-heat-legend i[data-l="3"] { background: color-mix(in srgb, var(--app-success) 80%, transparent); }
  .t-heat-legend i[data-l="1"] { background: color-mix(in srgb, var(--app-success) 25%, transparent); }
  .t-heat-legend i[data-l="w"] { background: color-mix(in srgb, var(--app-warn) 55%, transparent); }
  .t-heat-legend i[data-l="x"] { background: color-mix(in srgb, var(--app-danger) 55%, transparent); }
  .t-savebar { position: sticky; bottom: var(--s-3); z-index: 5; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-3); margin-top: var(--app-gap); padding: var(--s-3) var(--s-4); border-radius: var(--app-radius); border: 1px solid var(--app-border); background: color-mix(in srgb, var(--app-surface) 88%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); box-shadow: var(--app-shadow-lg); }

  /* ── Assignments ────────────────────────────────────────────────────────── */
  .t-assign { display: grid; gap: var(--s-4); padding: var(--s-5); }
  .t-assign__head { display: flex; align-items: flex-start; gap: var(--s-3); }
  .t-assign__title { font-family: var(--font-display); font-size: 1.08rem; font-weight: 700; line-height: 1.45; }
  .t-assign__meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2) var(--s-3); color: var(--app-muted); font-size: var(--fs-caption); }
  .t-assign__meta > span:not(.badge) { display: inline-flex; align-items: center; gap: 0.25rem; }
  .t-assign__meta svg { display: inline-block; width: 0.95rem; height: 0.95rem; flex: none; }
  .t-assign__progress { display: grid; gap: var(--s-2); }
  .t-assign__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-2); padding-top: var(--s-3); border-top: 1px solid var(--app-border); }
  .t-assign__split { display: flex; gap: var(--s-3); font-size: var(--fs-caption); color: var(--app-muted); }
  .t-assign__split b { color: var(--app-text); font-variant-numeric: tabular-nums; }
  .t-grader-top { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); flex-wrap: wrap; }
  .t-paper {
    position: relative;
    padding: var(--s-5);
    border-radius: var(--app-radius);
    border: 1px solid var(--app-border);
    background: repeating-linear-gradient(to bottom, transparent 0 1.95rem, var(--app-border) 1.95rem 2rem), var(--app-surface-2);
    line-height: 2rem;
    font-size: var(--fs-small);
  }
  .t-paper__file { display: inline-flex; align-items: center; gap: var(--s-2); margin-top: var(--s-2); padding: 0 var(--s-3); border-radius: 999px; background: var(--app-surface); border: 1px solid var(--app-border); color: var(--app-muted); font-size: var(--fs-caption); line-height: 2rem; }
  .t-paper__file svg { width: 1rem; height: 1rem; color: var(--app-accent); }
  .t-grade-box { display: flex; align-items: center; gap: var(--s-3); }
  .t-grade-box .input { width: 6rem; text-align: center; font-weight: 700; font-size: 1.05rem; }
  .t-sub-list { display: grid; gap: 2px; max-height: 14rem; overflow-y: auto; padding: 2px; border-radius: var(--app-radius-sm); border: 1px solid var(--app-border); }
  .t-sub-list button { display: flex; align-items: center; gap: var(--s-3); width: 100%; padding: var(--s-2) var(--s-3); border-radius: var(--app-radius-xs); text-align: start; font-size: var(--fs-small); transition: background-color 0.12s linear; }
  .t-sub-list button:hover { background: var(--app-hover); }
  .t-sub-list button[aria-current="true"] { background: var(--app-accent-soft); color: var(--app-accent-strong); font-weight: 600; }
  .t-sub-list .badge { margin-inline-start: auto; }

  /* ── Gradebook ──────────────────────────────────────────────────────────── */
  .t-gradebook th small { display: block; color: var(--app-faint); font-weight: 500; font-size: 0.68rem; }
  .t-gradebook td.t-total { font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; font-variant-numeric: tabular-nums; text-align: center; }
  .t-gradebook th.t-center, .t-gradebook td.t-center { text-align: center; }
  .t-gradebook tbody tr:focus-within { background: color-mix(in srgb, var(--app-gold) 9%, transparent); }
  .t-weights { display: flex; flex-wrap: wrap; gap: var(--s-2); }
  .t-weights span { display: inline-flex; align-items: center; gap: var(--s-2); padding: 0.2rem 0.7rem; border-radius: 999px; background: var(--app-surface-2); border: 1px solid var(--app-border); font-size: var(--fs-caption); color: var(--app-muted); }
  .t-weights b { color: var(--app-text); font-variant-numeric: tabular-nums; }
  .t-avg-big { font-family: var(--font-display); font-size: 2.6rem; font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; }

  /* ── Messages ───────────────────────────────────────────────────────────── */
  .t-chat { height: max(32rem, calc(100svh - var(--topbar-h) - var(--app-pad) * 2 - 8rem)); }
  .t-chat-search { padding: var(--s-3) var(--s-4); border-bottom: 1px solid var(--app-border); }
  .chat__thread .person__name { display: flex; align-items: center; gap: var(--s-2); }
  .t-thread-body { flex: 1; min-width: 0; display: grid; line-height: 1.5; }
  .t-thread-top { display: flex; align-items: center; justify-content: space-between; gap: var(--s-2); }
  .t-thread-name { font-weight: 600; font-size: var(--fs-small); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .t-thread-time { color: var(--app-faint); font-size: 0.7rem; flex: none; }
  .t-thread-preview { display: flex; align-items: center; justify-content: space-between; gap: var(--s-2); color: var(--app-muted); font-size: var(--fs-caption); }
  .t-thread-preview span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .t-thread-preview .badge { flex: none; min-height: 1.3rem; padding: 0 0.45rem; background: var(--app-accent); color: #fff; }
  .t-templates { display: flex; gap: var(--s-2); overflow-x: auto; padding: var(--s-3) var(--s-4) 0; border-top: 1px solid var(--app-border); scrollbar-width: none; }
  .t-templates::-webkit-scrollbar { display: none; }
  .t-templates[hidden] { display: none; }
  .t-templates .filter-chip { flex: none; }
  .t-templates + .chat__composer { border-top: 0; }
  .t-chat-head-actions { display: flex; gap: var(--s-1); }
  .t-chat [data-chat-back] { display: none; }
  @media (max-width: 1024px) { .t-chat [data-chat-back] { display: inline-grid; } }

  /* ── Profile ────────────────────────────────────────────────────────────── */
  .t-profile { overflow: hidden; }
  .t-profile__cover {
    position: relative;
    height: 8.5rem;
    background:
      radial-gradient(70% 160% at 0% 0%, rgb(247 209 74 / 0.4), transparent 60%),
      linear-gradient(135deg, #C3141D 0%, #9E0F17 55%, #7A0B12 100%);
    overflow: hidden;
  }
  .t-profile__cover::before { content: ""; position: absolute; top: -120%; inset-inline-end: -4%; width: 26rem; aspect-ratio: 1; background: repeating-conic-gradient(rgb(255 226 133 / 0.18) 0 5deg, transparent 5deg 15deg); -webkit-mask: radial-gradient(closest-side, #000 12%, transparent 70%); mask: radial-gradient(closest-side, #000 12%, transparent 70%); }
  .t-profile__main { display: flex; flex-wrap: wrap; align-items: flex-end; gap: var(--s-4) var(--s-5); padding: 0 var(--s-6) var(--s-5); margin-top: -2.75rem; position: relative; }
  .t-profile__main .avatar--xl { --size: 6rem; }
  .t-profile__id { flex: 1 1 16rem; display: grid; gap: var(--s-1); padding-top: 3rem; }
  .t-profile__stats { display: flex; flex-wrap: wrap; gap: var(--s-6); padding-top: 3rem; }
  .t-setting { display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); padding: var(--s-4) var(--s-5); border-bottom: 1px solid var(--app-border); }
  .t-setting:last-child { border-bottom: 0; }
  .t-setting__text { display: grid; gap: 2px; min-width: 0; }
  .t-setting__text b { font-size: var(--fs-small); }
  .t-setting__text span { color: var(--app-muted); font-size: var(--fs-caption); }
  .t-setting .switch { flex: none; }

  /* ── Responsive ─────────────────────────────────────────────────────────── */
  @media (max-width: 1100px) {
    .t-att-controls { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .t-class-hero { grid-template-columns: auto minmax(0, 1fr); }
    .t-class-hero > :last-child { grid-column: 1 / -1; }
  }
  @media (max-width: 720px) {
    .t-actions, .t-kv, .t-att-controls { grid-template-columns: minmax(0, 1fr); }
    .t-att-summary, .t-class-card__body { grid-template-columns: minmax(0, 1fr); justify-items: center; }
    .t-class-card__stats { width: 100%; }
    .t-class-hero { grid-template-columns: minmax(0, 1fr); }
    .t-heat-grid { grid-template-columns: minmax(0, 1fr); }
    .t-profile__main { padding-inline: var(--s-4); }
    .t-profile__stats { padding-top: 0; }
    .lesson { flex-wrap: wrap; }
    .lesson .list__body { flex-basis: calc(100% - 7rem); }
  }
}

@layer motion {
  @media (prefers-reduced-motion: reduce) {
    .t-action, .t-class-card { transition: none; }
  }
}