/* work-surface 캐스케이드 3/7 — 타임라인·캘린더 뷰 레이아웃.
   ax-work-surface-register.css 바로 다음에 로드된다. 로드 순서가 곧 캐스케이드다. */

/* ===== Timeline layout (.ax-timeline-*) ===== */

.ax-timeline-shell {
  overflow-x: auto;
  padding-bottom: 4px;
}

.ax-timeline-track {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.ax-timeline-row {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.ax-timeline-row-label {
  padding: 12px 4px;
  background: var(--surface-panel-soft);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  min-height: 64px;
}

.ax-timeline-row-count {
  min-width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: var(--surface-panel);
  font-size: 11px;
  color: var(--muted);
  font-weight: 500;
}

.ax-timeline-row-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  align-content: flex-start;
}

.ax-timeline-chip {
  display: grid;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-panel);
  box-shadow: var(--shadow-sm);
  min-width: 140px;
  max-width: 220px;
  text-align: left;
  cursor: pointer;
}

.ax-timeline-chip-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  word-break: break-word;
}

.ax-timeline-chip-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.ax-timeline-chip-meta {
  font-size: 11px;
  color: var(--muted);
  word-break: break-word;
}

.ax-timeline-chip-time {
  font-size: 11px;
  line-height: 1.4;
  color: var(--muted);
  word-break: break-word;
}

.ax-timeline-empty {
  padding: 14px 16px;
  color: var(--muted);
  font-size: 13px;
}

/* ===== Calendar layout (.ax-calendar-*) ===== */

.ax-calendar-shell {
  overflow-x: auto;
  padding-bottom: 4px;
}

.ax-calendar-grid {
  display: grid;
  grid-template-columns: 120px repeat(7, minmax(120px, 1fr));
  gap: 8px;
  align-items: start;
  min-width: 760px;
}

.ax-calendar-header-cell {
  padding: 10px 12px;
  background: var(--surface-panel-soft);
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-align: center;
}

.ax-calendar-row-label {
  padding: 10px 12px;
  background: var(--surface-panel-soft);
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: flex-start;
}

.ax-calendar-cell {
  padding: 8px;
  min-height: 80px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--surface-panel-soft);
  border-radius: var(--radius-md);
  vertical-align: top;
}

.ax-calendar-cell--empty {
  background: var(--surface-panel-soft);
}

.ax-calendar-entry {
  width: 100%;
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-panel);
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: 6px;
  text-align: left;
  cursor: pointer;
}

.ax-calendar-entry-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  word-break: break-word;
  line-height: 1.4;
}

.ax-calendar-entry-meta {
  font-size: 11px;
  color: var(--muted);
  word-break: break-word;
}

/* 캘린더 엔트리 상단 신호줄(상태·우선순위·출처) — 보드 카드 헤드와 동일 관용구 */
.ax-calendar-entry-top {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

/* 타임라인 칩·캘린더 엔트리는 보드보다 좁으므로 오너/협업자 아바타를 컴팩트하게.
   색·스택 규칙(.wc-avatar[data-hue]·.wc-avatar-collab)은 보드와 공유한다. */
.ax-timeline-chip .work-card-owner,
.ax-calendar-entry .work-card-owner {
  font-size: 11px;
}

.ax-timeline-chip .wc-avatar,
.ax-calendar-entry .wc-avatar {
  width: 18px;
  height: 18px;
  font-size: 9px;
}

.ax-calendar-empty {
  padding: 24px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
  grid-column: 1 / -1;
  background: var(--surface-panel-soft);
}

.ax-calendar-undated {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-panel-soft);
}

.ax-calendar-undated-title {
  margin: 0;
  font-size: 13px;
  color: var(--text);
}

.ax-calendar-undated-title span {
  color: var(--muted);
  font-weight: 500;
}

.ax-calendar-undated-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 8px;
}