.week-header {
  padding: 20px 20px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 768px) {
  .week-header { flex-direction: row; align-items: flex-start; }
}

.week-header__badge {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
}

.week-header__meta { flex: 1; }
.week-header__phase { font-size: 10px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 4px; }
.week-header__title { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.week-header__sub { font-size: 12px; color: var(--text-secondary); }

.week-header__gate {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 12px 16px;
}
.week-header__gate-label { font-size: 10px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 4px; }
.week-header__gate-text { font-size: 12px; font-family: var(--font-mono); }

.task-area { padding: 16px 20px 24px; overflow-x: auto; }

.task-table th {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 8px 10px;
  text-align: left;
}

.task-row {
  border-top: 1px solid var(--border-subtle);
  transition: background-color var(--transition-fast);
}
.task-row:hover { background-color: var(--bg-tertiary); }
.task-row td { padding: 12px 10px; vertical-align: top; }

/* Accessible Custom Checkbox */
.task-check {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}
.task-check[aria-checked="true"] {
  background-color: var(--status-done);
  border-color: var(--status-done);
}
.task-check[aria-checked="true"]::after {
  content: '✓';
  font-size: 12px;
  color: var(--text-inverse);
  font-weight: 700;
}

.task-day { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); white-space: nowrap; }
.task-title { font-size: 13px; font-weight: 500; }
.task-title--done { text-decoration: line-through; color: var(--text-muted); }
.task-sub { font-size: 11px; color: var(--text-secondary); margin-top: 4px; }

.task-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-lg);
  font-size: 10px;
  font-weight: 600;
  margin-right: 6px;
}
.tag--read { background: rgba(79,142,247,.15); color: var(--p1); }
.tag--code { background: rgba(167,139,250,.15); color: var(--p2); }
.tag--paper { background: rgba(52,211,153,.15); color: var(--p3); }
.tag--run { background: rgba(251,146,60,.15); color: var(--p4); }
.tag--write { background: rgba(245,158,11,.15); color: var(--status-warn); }

.task-output { font-size: 11px; color: var(--text-muted); font-family: var(--font-mono); }