/* ══════════════ Tasks ══════════════ */
.tasks-filter { display: flex; gap: 8px; padding: 0 20px 16px; }
.task-filter-btn {
  padding: 7px 18px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
  font-family: inherit;
  transition: all .2s var(--ease);
  background: var(--surface);
  color: var(--text3);
}
.task-filter-btn:hover  { border-color: var(--text4); }
.task-filter-btn.active { background: var(--text); color: #fff; border-color: var(--text); box-shadow: 0 2px 8px rgba(0,0,0,.15); }

.task-card {
  background: var(--surface);
  border-radius: var(--r-sm);
  margin-bottom: 10px;
  box-shadow: var(--sh);
  border: 1px solid rgba(0,0,0,.04);
  padding: 16px 18px;
  transition: box-shadow .15s;
}
.task-card:hover      { box-shadow: var(--sh-md); }
.task-card.task-done  { opacity: .55; }

.task-card-header { display: flex; align-items: flex-start; gap: 12px; }
.task-card-info   { flex: 1; min-width: 0; }
.task-card-title  { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.task-card-meta   { font-size: 12px; color: var(--text3); font-weight: 500; }
.task-card-acts   { display: flex; gap: 6px; flex-shrink: 0; }

.task-prog-wrap { display: flex; align-items: center; gap: 10px; margin-top: 12px; }
.task-prog-bar  {
  flex: 1;
  height: 4px;
  background: var(--bg-warm);
  border-radius: 2px;
  overflow: hidden;
}
.task-prog-fill {
  height: 100%;
  background: linear-gradient(90deg, #6366f1, #818cf8);
  border-radius: 2px;
  transition: width .6s var(--ease);
}
.task-prog-pct { font-size: 12px; font-weight: 700; color: var(--text3); min-width: 32px; text-align: right; }

.task-sessions { margin-top: 10px; border-top: 1px solid var(--bg-warm); padding-top: 8px; }
.task-session-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  font-size: 13px;
}
.task-session-item.done      { opacity: .5; text-decoration: line-through; }
.task-session-check          { font-weight: 700; width: 18px; text-align: center; flex-shrink: 0; }
.task-session-item.done .task-session-check { color: var(--ok); }
.task-session-date { font-weight: 600; color: var(--text2); min-width: 72px; }
.task-session-time { color: var(--text3); flex: 1; font-variant-numeric: tabular-nums; }

.task-card-footer {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--bg-warm);
}
.btn-session  { background: var(--pri-light); color: var(--pri); }
.btn-session:hover  { background: var(--pri-subtle); }
.btn-complete { background: var(--ok-light); color: #166534; }
.btn-complete:hover { background: #d1fae5; }
.btn-reopen   { background: var(--bg); color: var(--text3); }
.btn-reopen:hover   { background: var(--bg-warm); }

/* Task tags */
.tag-task      { background: rgba(99,102,241,.12); color: #4338ca; }
.tag-task-done { background: var(--ok-light); color: #166534; }
.tag-school    { background: #dbeafe; color: #1e40af; }
.tag-pri-high  { background: var(--err-light); color: var(--err); }
.tag-pri-low   { background: var(--bg); color: var(--text3); }

/* D-day badges */
.task-dday             { font-weight: 650; }
.task-dday.dday-over   { color: var(--err); }
.task-dday.dday-urgent { color: var(--err); }
.task-dday.dday-warn   { color: var(--warn); }
.task-dday.dday-normal { color: var(--text3); }
.tag-dday              { font-size: 10px; padding: 2px 6px; }
.tag-dday.dday-over    { background: var(--err-light); color: var(--err); }
.tag-dday.dday-urgent  { background: var(--err-light); color: var(--err); }
.tag-dday.dday-warn    { background: var(--warn-light); color: #c2410c; }
.tag-dday.dday-normal  { background: var(--bg); color: var(--text3); }