/* apl-uni demo — Verwaltung (admin) role styles. Extends shared/base.css. */

.tab-content { margin-top: 2px; }

/* ---------- class cards ---------- */
.class-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 14px;
}
.class-card {
  background: linear-gradient(160deg, var(--surface-hi), var(--surface));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}
.class-card:hover, .class-card:focus-visible {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.class-card-name {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--ink);
  margin-bottom: 8px;
}
.class-card-meta {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 12px;
  color: var(--muted);
}

/* ---------- back link ---------- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--accent);
  text-decoration: none;
  margin-bottom: 14px;
}
.back-link:hover { color: var(--accent-hover); }

/* ---------- roster list (class detail) ---------- */
.roster-list { display: flex; flex-direction: column; gap: 8px; }
.roster-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.roster-item button {
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  display: inline-flex;
  padding: 3px;
  border-radius: 4px;
}
.roster-item button:hover { color: var(--danger); background: var(--soft-accent); }

/* ---------- pick list (dialogs: add student / choose students) ---------- */
.pick-list {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-top: 10px;
}
.pick-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  border: none;
  border-bottom: 1px solid var(--line-soft);
  background: transparent;
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.pick-item:last-child { border-bottom: none; }
.pick-item:hover { background: var(--surface-hi); }
.pick-item .pick-meta { font-size: 11px; color: var(--muted); white-space: nowrap; }
.pick-check { cursor: pointer; }
.pick-check input[type="checkbox"] { margin-right: 8px; }

/* ---------- chips ---------- */
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 6px 5px 11px;
  border-radius: 999px;
  background: var(--soft-accent);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  border: 1px solid var(--line);
}
.chip button {
  border: none;
  background: transparent;
  color: inherit;
  cursor: pointer;
  display: inline-flex;
  padding: 2px;
  border-radius: 999px;
}
.chip button:hover { background: rgba(0, 0, 0, 0.12); }

/* ---------- form error ---------- */
.form-error {
  margin-top: 10px;
  padding: 9px 12px;
  border-radius: var(--radius);
  background: var(--danger-bg);
  color: var(--danger-fg);
  border: 1px solid var(--danger-line);
  font-size: 12px;
}

/* ---------- student search ---------- */
#studentSearch { max-width: 220px; }

/* ---------- stats: sortable table header ---------- */
.sortable { cursor: pointer; user-select: none; }
.sortable:hover { color: var(--accent); }
.stat-row { cursor: pointer; }
.stat-detail-row td { background: var(--surface-low); padding: 0; }
.stat-detail {
  display: grid;
  grid-template-columns: minmax(200px, 320px) 1fr;
  gap: 18px;
  padding: 16px 14px;
}
.stat-detail-subjects { display: flex; flex-direction: column; gap: 10px; }
.stat-detail-assignments { display: flex; flex-direction: column; gap: 8px; }

/* ---------- assignment row (student detail) ---------- */
.assignment-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.assignment-row-main { flex: 1 1 200px; min-width: 0; }
.assignment-row-title { font-weight: 700; color: var(--ink); }
.assignment-row-meta { font-size: 11px; color: var(--muted); margin-top: 2px; }
.assignment-row-status { display: flex; gap: 6px; flex-wrap: wrap; }
.assignment-row-score { font-size: 12px; color: var(--muted); white-space: nowrap; }

/* ---------- bar chart ---------- */
.chart-wrap { overflow-x: auto; padding: 4px 0; }
.bar-chart { display: block; }
.bar-rect { fill: var(--chart); }
.bar-value { fill: var(--muted); font-size: 11px; font-family: var(--font-body); }
.bar-label { fill: var(--faint); font-size: 11px; font-family: var(--font-body); }

/* ---------- CSV fallback ---------- */
.csv-textarea { font-family: monospace; min-height: 220px; }

@media (max-width: 720px) {
  .stat-detail { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .class-grid { grid-template-columns: 1fr 1fr; }
  #studentSearch { max-width: none; width: 100%; }
}

@media (max-width: 360px) {
  .class-grid { grid-template-columns: 1fr; }
  .assignment-row-score { width: 100%; }
}