/* ---------- calendar heatmap ---------- */
.heatmap {
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(7, 1fr);
  gap: 3px;
  overflow-x: auto;
  padding-bottom: 6px;
}
.heatmap .cell {
  width: 11px;
  height: 11px;
  border-radius: 3px;
  background: rgba(255,255,255,0.08);
}
.heatmap .cell[data-level="1"] { background: rgba(140,213,87,0.35); }
.heatmap .cell[data-level="2"] { background: rgba(140,213,87,0.6); }
.heatmap .cell[data-level="3"] { background: rgba(106,191,62,0.85); }
.heatmap .cell[data-level="4"] { background: #6ABF3E; }

/* ---------- hour x weekday heatmap ---------- */
.grid-heatmap { display: flex; flex-direction: column; gap: 3px; overflow-x: auto; }
.grid-heatmap .row { display: flex; gap: 3px; align-items: center; }
.grid-heatmap .row-label { width: 34px; font-size: 0.68rem; color: var(--text-muted); flex-shrink: 0; }
.grid-heatmap .cell { width: 18px; height: 18px; border-radius: 4px; background: rgba(255,255,255,0.08); flex-shrink: 0; }

/* ---------- segmented tabs ---------- */
.segmented {
  display: inline-flex;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}
.segmented button {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.78rem;
  padding: 5px 14px;
  border-radius: 999px;
  cursor: pointer;
}
.segmented button.active { background: rgba(255,255,255,0.22); color: var(--text-primary); font-weight: 700; }

/* ---------- filter bar ---------- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: var(--gap);
}

/* ---------- legend ---------- */
.legend {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 8px;
}
.legend .dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; margin-inline-end: 4px; }

/* ---------- empty state (inline, smaller than full-page state-box) ---------- */
.empty-inline {
  text-align: center;
  padding: 30px 10px;
  color: var(--text-muted);
  font-size: 0.82rem;
}