body.trener { background: var(--bg, #faf8f4); min-height: 100vh; }
[hidden] { display: none !important; }

.t-head { position: sticky; top: 0; z-index: 20; background: var(--surface); border-bottom: 1px solid var(--line); }
.t-head-row { display: flex; align-items: center; gap: var(--s3); min-height: 60px; }
.t-who { margin-left: auto; font-weight: 600; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.t-tabs { display: flex; gap: var(--s1); overflow-x: auto; scrollbar-width: none; padding-bottom: var(--s2); }
.t-tabs::-webkit-scrollbar { display: none; }
.t-tab {
  flex: 0 0 auto; min-height: 44px; padding: 0 var(--s4); border: 0; border-radius: var(--r-pill);
  background: transparent; color: var(--muted); font: inherit; font-weight: 600; cursor: pointer;
}
.t-tab[aria-selected="true"] { background: var(--ink); color: #fff; }
.t-tab:focus-visible, .t-chip:focus-visible, .t-mark:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

.t-main { padding-top: var(--s4); padding-bottom: calc(var(--s8) + env(safe-area-inset-bottom)); }
.t-main section { display: flex; flex-direction: column; gap: var(--s3); padding: 0; margin: 0; }
.t-empty { padding: var(--s4); border: 1px dashed var(--line-strong); border-radius: var(--r-md); }

.t-chips { display: flex; flex-wrap: wrap; gap: var(--s2); }
.t-chip {
  min-height: 44px; padding: 0 var(--s4); border: 1px solid var(--line-strong); border-radius: var(--r-pill);
  background: var(--surface); color: var(--ink); font: inherit; font-weight: 600; cursor: pointer;
}
.t-chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }

.t-bar { display: flex; align-items: center; gap: var(--s2); }
.t-bar .btn { min-width: 44px; min-height: 44px; }
.t-lesson { flex: 1; min-width: 0; text-align: center; display: flex; flex-direction: column; gap: 2px; }
.t-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s2); }
.t-actions .btn { min-height: 44px; }

.t-marks, .t-students, .t-roster, .t-reqs { list-style: none; margin: 0; padding: 0; }
.t-marks { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); }
.t-mark-row { display: flex; align-items: center; gap: var(--s3); padding: var(--s2) var(--s3); border-bottom: 1px solid var(--line); }
.t-mark-row:last-child { border-bottom: 0; }
.t-mark-row.is-present { background: color-mix(in srgb, var(--ok) 8%, transparent); }
.t-mark-row.is-absent { background: color-mix(in srgb, var(--danger) 7%, transparent); }
.t-mark-name { flex: 1; min-width: 0; overflow-wrap: break-word; }
@media (max-width: 520px) {
  .t-mark-row { display: grid; grid-template-columns: 36px 1fr; grid-template-areas: "ava name" "ava btns"; column-gap: var(--s3); row-gap: var(--s1); align-items: center; }
  .t-mark-row > .t-ava { grid-area: ava; align-self: start; margin-top: 2px; }
  .t-mark-row > .t-mark-name { grid-area: name; }
  .t-mark-row > .t-mark-btns { grid-area: btns; }
  .t-mark-btns .t-mark { flex: 1 1 0; }
}
.t-mark-btns { display: flex; gap: var(--s1); flex: 0 0 auto; }
.t-mark {
  min-height: 44px; min-width: 44px; padding: 0 var(--s3); border: 1px solid var(--line-strong); border-radius: var(--r-pill);
  background: var(--surface); color: var(--ink); font: inherit; font-size: .9375rem; font-weight: 600; cursor: pointer;
}
.t-mark-present[aria-pressed="true"] { background: var(--ok); border-color: var(--ok); color: #fff; }
.t-mark-absent[aria-pressed="true"] { background: var(--danger); border-color: var(--danger); color: #fff; }

.t-ava { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; flex: 0 0 auto; }
.t-ava-empty { display: inline-flex; align-items: center; justify-content: center; background: var(--ink); color: #fff; font-weight: 700; }

.t-students { display: flex; flex-direction: column; gap: var(--s2); }
.t-student { display: flex; gap: var(--s3); padding: var(--s3); border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); }
.t-student .t-ava { width: 44px; height: 44px; }
.t-student-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.t-student-ratings { font-size: .9375rem; }
.t-contact { font-size: .9375rem; }
.t-contact a { display: inline-flex; align-items: center; min-height: 44px; }

.t-card { display: flex; flex-direction: column; gap: var(--s2); padding: var(--s4); border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); }
.t-card-title { margin: var(--s3) 0 0; font-size: 1.125rem; }
.t-card .t-card-title { margin: 0; }
.t-card-actions { display: flex; gap: var(--s2); flex-wrap: wrap; }
.t-sessions { display: flex; flex-direction: column; gap: var(--s2); }
.t-session { display: grid; grid-template-columns: 80px 1fr auto 1fr; gap: var(--s2); align-items: center; }
.t-session .s-venue { grid-column: 1 / 4; }
.t-session .btn { grid-column: 4; justify-self: end; min-height: 44px; min-width: 44px; }
@media (min-width: 720px) {
  .t-session { grid-template-columns: 90px 120px auto 120px 1fr auto; }
  .t-session .s-venue { grid-column: auto; }
  .t-session .btn { grid-column: auto; }
}
.t-roster { display: flex; flex-direction: column; gap: 2px; }
.t-reqs { display: flex; flex-direction: column; gap: var(--s1); }