/* ==============================================
   PAGE: CANADA TIMELINE
   /lab/canada.html — Chicago → Toronto
   ============================================== */

.page-canada {
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Stage ── */
.canada-stage {
  position: relative;
  z-index: 50;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: var(--sp-4);
  gap: var(--sp-4);
}

/* ── Header ── */
.canada-header {
  text-align: center;
  padding-top: var(--sp-5);
  flex-shrink: 0;
}

.canada-title {
  font-family: var(--font-hand);
  font-size: clamp(var(--text-2xl), 5vw, var(--text-3xl));
  color: var(--fg);
  margin: 0;
  text-shadow: 0 1px 3px rgba(255,255,255,0.6);
}

.canada-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-md);
  font-style: italic;
  color: var(--muted);
  margin: var(--sp-1) 0 0;
}

/* ── Two-pane workspace ── */
.canada-workspace {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--sp-4);
  flex: 1;
  min-height: 0;
  max-width: 980px;
  width: 100%;
  margin: 0 auto var(--sp-5);
  align-items: start;
}

/* ── LEFT: Phase nav ── */
.phase-nav {
  background: var(--parchment);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md), 0 0 0 1px var(--parchment-dk);
  padding: var(--sp-3);
  position: sticky;
  top: var(--sp-4);
  max-height: calc(100vh - 140px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--parchment-dk) transparent;
  animation: float-in var(--dur-slow) var(--ease-out) both;
}

.phase-nav__header {
  font-family: var(--font-hand);
  font-size: var(--text-sm);
  color: var(--muted);
  letter-spacing: 0.07em;
  padding: 0 var(--sp-2) var(--sp-2);
  border-bottom: 1px solid var(--parchment-dk);
  margin-bottom: var(--sp-2);
}

.phase-nav__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.phase-nav__btn {
  display: grid;
  grid-template-columns: 16px 1fr auto;
  align-items: center;
  gap: var(--sp-2);
  width: 100%;
  background: none;
  border: none;
  border-radius: var(--r-md);
  padding: 7px var(--sp-2);
  cursor: pointer;
  text-align: left;
  transition: background var(--dur-fast) var(--ease-out);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--fg-light);
}

.phase-nav__btn:hover {
  background: rgba(78, 128, 64, 0.08);
}

.phase-nav__marker {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.maple-icon {
  width: 13px;
  height: 14px;
  color: var(--warm);
  flex-shrink: 0;
}

.phase-nav__name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.phase-nav__badge {
  font-size: 10px;
  font-family: var(--font-ui);
  background: var(--parchment-dk);
  border-radius: var(--r-full);
  padding: 1px 6px;
  color: var(--muted);
  white-space: nowrap;
  flex-shrink: 0;
  letter-spacing: 0;
}

/* Active phase */
.phase-nav__item--active .phase-nav__btn {
  background: rgba(181, 52, 26, 0.08);
  color: var(--fg);
  font-weight: 500;
}
.phase-nav__item--active .maple-icon {
  color: var(--wax);
}
.phase-nav__item--active .phase-nav__badge {
  background: var(--wax);
  color: #fff;
}

/* Completed phase */
.phase-nav__item--done .phase-nav__btn {
  color: var(--muted);
}
.phase-nav__item--done .maple-icon {
  color: var(--grass-dark);
}
.phase-nav__item--done .phase-nav__badge {
  background: var(--grass-dark);
  color: #fff;
}

/* ── RIGHT: Phase panel ── */
.phase-panel {
  position: relative;
  overflow-y: auto;
  max-height: calc(100vh - 140px);
  scrollbar-width: thin;
  scrollbar-color: var(--parchment-dk) transparent;
}

.phase-view {
  background: rgba(245, 234, 208, 0.93);
  backdrop-filter: blur(6px);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  box-shadow: var(--shadow-md), 0 0 0 1px var(--parchment-dk);
  animation: float-in var(--dur-slow) var(--ease-out) both;
}

.phase-view--entering {
  animation: float-in var(--dur-med) var(--ease-out) both;
}

/* ── Phase view header ── */
.phase-view__header {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--parchment-dk);
}

.phase-view__top-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.phase-view__deco {
  color: var(--wax);
  opacity: 0.2;
  flex-shrink: 0;
}
.phase-view__deco .maple-icon {
  width: 32px;
  height: 34px;
}

.phase-view__title {
  font-family: var(--font-hand);
  font-size: var(--text-xl);
  color: var(--fg);
  margin: 0;
  flex: 1;
}

.phase-view__window {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--muted);
  margin: 0;
}

/* ── Progress bar ── */
.phase-view__progress {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-top: var(--sp-2);
}

.progress-bar {
  flex: 1;
  height: 5px;
  background: var(--parchment-dk);
  border-radius: var(--r-full);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  width: var(--pct, 0%);
  background: linear-gradient(90deg, var(--grass-dark), var(--accent));
  border-radius: var(--r-full);
  transition: width var(--dur-med) var(--ease-gentle);
}

.phase-view--complete .progress-bar__fill {
  background: linear-gradient(90deg, var(--wax), var(--warm));
}

.progress-label {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: var(--muted);
  white-space: nowrap;
  min-width: 90px;
  text-align: right;
}

/* ── Task list ── */
.task-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.task-item {
  border-radius: var(--r-md);
  transition: background var(--dur-fast) var(--ease-out);
}

.task-item:hover {
  background: rgba(78, 128, 64, 0.05);
}

/* ── Task label row ── */
.task-item__label {
  display: grid;
  grid-template-columns: 22px 14px 1fr auto;
  align-items: start;
  gap: var(--sp-2);
  padding: 9px var(--sp-2);
  cursor: pointer;
  user-select: none;
}

/* Custom checkbox */
.task-item__check {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  pointer-events: none;
}

.task-item__check-wrap {
  display: flex;
  align-items: flex-start;
  padding-top: 1px;
}

.task-item__box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border: 2px solid var(--parchment-dk);
  border-radius: 4px;
  background: #fff;
  flex-shrink: 0;
  transition:
    border-color var(--dur-fast) var(--ease-gentle),
    background var(--dur-fast) var(--ease-gentle);
}

.task-item--done .task-item__box {
  background: var(--grass-dark);
  border-color: var(--grass-dark);
}
.task-item--done .task-item__box::after {
  content: '';
  display: block;
  width: 5px;
  height: 9px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(40deg) translateY(-1px);
}

/* Maple bullet beside task text */
.task-item__leaf-wrap {
  display: flex;
  align-items: flex-start;
  padding-top: 3px;
}

.task-item__leaf-wrap .maple-icon {
  width: 11px;
  height: 12px;
  color: var(--warm);
  opacity: 0.55;
}

.task-item--done .task-item__leaf-wrap .maple-icon {
  color: var(--grass-dark);
  opacity: 0.8;
}

/* Task text */
.task-item__text {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--fg);
  transition:
    color var(--dur-fast) var(--ease-gentle),
    opacity var(--dur-fast) var(--ease-gentle);
}

.task-item--done .task-item__text {
  text-decoration: line-through;
  color: var(--muted);
  opacity: 0.65;
}

/* Toggle button */
.task-item__toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px 4px;
  color: var(--muted);
  font-size: var(--text-sm);
  border-radius: var(--r-sm);
  transition:
    color var(--dur-fast) var(--ease-gentle),
    transform var(--dur-fast) var(--ease-gentle);
  flex-shrink: 0;
  margin-top: 1px;
  line-height: 1;
}
.task-item__toggle:hover { color: var(--fg-light); }
.task-item__toggle[aria-expanded="true"] {
  transform: rotate(90deg);
  color: var(--wax);
}

/* Detail block */
.task-item__detail {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: 1.6;
  border-left: 2px solid var(--parchment-dk);
  margin: 0 var(--sp-2) var(--sp-2) calc(22px + 14px + var(--sp-2) * 2 + 2px);
  padding: var(--sp-1) var(--sp-3);
}
.task-item__detail p {
  margin: 0;
}

/* ── Save status ── */
.save-status {
  position: fixed;
  bottom: var(--sp-4);
  right: var(--sp-4);
  z-index: 200;
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: var(--muted);
  background: var(--parchment);
  border: 1px solid var(--parchment-dk);
  border-radius: var(--r-full);
  padding: 4px 12px;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transform: translateY(4px);
  transition:
    opacity var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
  pointer-events: none;
}
.save-status--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Tree/cloud/plant positions (reuse lab values) ── */
.page-canada .tree-blob--1 {
  width: 180px; height: 200px;
  background: #4e8040;
  bottom: 0; left: -20px;
}
.page-canada .tree-blob--2 {
  width: 200px; height: 220px;
  background: #3d6b32;
  bottom: 0; right: -30px;
}
.page-canada .plant--1 { left: 3%;  height: 65px; width: 36px; }
.page-canada .plant--2 { left: 9%;  height: 80px; width: 42px; }
.page-canada .plant--3 { right: 3%; height: 70px; width: 38px; }
.page-canada .plant--4 { right: 9%; height: 75px; width: 40px; }
.page-canada .cloud--1 {
  top: 12%; left: -10%;
  width: 160px;
  animation: cloud-drift 100s linear infinite;
  animation-delay: -45s;
}
.page-canada .cloud--2 {
  top: 6%; left: -15%;
  width: 120px;
  animation: cloud-drift 130s linear infinite;
  animation-delay: -90s;
  opacity: 0.6;
}

/* ── Mobile: stack panes ── */
@media (max-width: 639px) {
  .canada-workspace {
    grid-template-columns: 1fr;
  }

  .phase-nav {
    position: static;
    max-height: none;
    overflow: visible;
    padding: var(--sp-2);
  }

  .phase-nav__list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 4px;
  }

  .phase-nav__btn {
    grid-template-columns: 12px 1fr;
    /* hide badge on mobile to save space */
  }
  .phase-nav__badge {
    display: none;
  }

  .phase-panel {
    max-height: none;
    overflow: visible;
  }

  .phase-view {
    padding: var(--sp-3);
  }

  .canada-stage {
    padding: var(--sp-2);
    gap: var(--sp-2);
  }

  .canada-header {
    padding-top: calc(var(--sp-4) + 40px); /* room for back-link */
  }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  .phase-view,
  .phase-nav,
  .phase-view--entering {
    animation: none;
  }
  .progress-bar__fill {
    transition: none;
  }
}