:root {
  --color-bg:               #ffffff;
  --color-ink:              #000000;
  --color-ink-muted:        #555555;
  --color-ink-faint:        #aaaaaa;
  --color-accent-positive:  #2a7a2a;
  --color-accent-negative:  #cc0000;
  --color-accent-locked:    #888888;

  --line-trunk:  3px;
  --line-branch: 1.5px;
  --line-sub:    1px;

  --spacing-xs:  4px;
  --spacing-sm:  8px;
  --spacing-md:  16px;
  --spacing-lg:  24px;
  --spacing-xl:  40px;

  --font-size-sm:   0.75rem;
  --font-size-base: 0.875rem;
  --font-size-md:   1rem;
  --font-size-lg:   1.25rem;
  --font-size-xl:   1.5rem;

  --sidebar-width: 35%;
  --view-width:    65%;

  --color-accent-blue:      #2b2b88;
  --color-on-accent:        #ffffff;
  --color-honours-underline: rgba(50, 205, 50, 0.5);
}

body.theme-dark {
  --color-bg:               #1a1a1a;
  --color-ink:              #e8e8e8;
  --color-ink-muted:        #aaaaaa;
  --color-ink-faint:        #555555;
  --color-accent-positive:  #4caf50;
  --color-accent-negative:  #ff5555;
  --color-accent-locked:    #555555;
  --color-accent-blue:      #9a9ae8;
  --color-on-accent:        #12122b;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  background-color: var(--color-bg);
  color: var(--color-ink);
  font-family: 'Courier New', Courier, monospace;
  font-size: var(--font-size-base);
  line-height: 1.5;
  transition: background-color 0.2s ease, color 0.2s ease;
}

button {
  background: none;
  border: var(--line-sub) solid var(--color-ink);
  color: var(--color-ink);
  cursor: pointer;
  font-family: inherit;
  font-size: 1.1rem;
  padding: 8px 18px;
  transition: opacity 0.1s;
}

button:hover {
  opacity: 0.7;
}

button:focus-visible {
  outline: var(--line-branch) solid var(--color-ink);
  outline-offset: 2px;
}

a {
  color: var(--color-ink);
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-ink-faint) transparent;
}

::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background-color: var(--color-ink-faint);
}

#mobile-banner {
  display: none;
  padding: var(--spacing-md);
  border-bottom: var(--line-sub) solid var(--color-ink);
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
  text-align: center;
}

@media (max-width: 767px) {
  #mobile-banner {
    display: block;
  }
}

#app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

#view {
  width: var(--view-width);
  display: flex;
  flex-direction: column;
  border-right: var(--line-branch) solid var(--color-ink);
  overflow: hidden;
  position: relative;
}

#view-header {
  flex-shrink: 0;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: var(--line-sub) solid var(--color-ink-faint);
  position: relative;
}

#view-source-link {
  position: absolute;
  right: var(--spacing-lg);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
  text-decoration: underline;
  text-decoration-color: var(--color-accent-blue);
  text-decoration-thickness: 1.5px;
  cursor: pointer;
}

#view-source-link:hover {
  color: var(--color-accent-blue);
}

#view-header h1 {
  font-size: var(--font-size-lg);
  font-weight: normal;
  letter-spacing: 0.04em;
}

#view-header p {
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
  margin-top: var(--spacing-xs);
}

#tree-container {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg) var(--spacing-xl);
  padding-bottom: 80px; 
}

#sidebar {
  width: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  
  --font-size-sm:   0.875rem;
  --font-size-base: 1rem;
  --font-size-md:   1.15rem;
  --font-size-lg:   1.5rem;
  --font-size-xl:   1.75rem;
}

#sidebar button {
  font-size: 1.2rem;
}

#sidebar-topbar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: var(--line-sub) solid var(--color-ink-faint);
  gap: var(--spacing-sm);
}

#sidebar-topbar-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

#sidebar-topbar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

#sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md);
}

#sidebar-spec-tracker {
  flex-shrink: 0;
  border-top: var(--line-sub) solid var(--color-ink-faint);
  padding: var(--spacing-sm) var(--spacing-md);
  display: none; 
}

#sidebar-spec-tracker.is-visible {
  display: block;
}

#sidebar-bottombar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  border-top: var(--line-sub) solid var(--color-ink-faint);
  min-height: 44px;
}

#elective-counter {
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
}

#select-btn {
  padding: 10px 24px;
  font-size: 1.1rem;
  display: none; 
}

#select-btn.is-visible {
  display: inline-block;
}

#select-btn.is-visible:hover {
  background-color: var(--color-accent-blue);
  border-color: var(--color-accent-blue);
  color: var(--color-on-accent);
  font-weight: bold;
  opacity: 1;
}

#tree {
  position: relative;
}

#start-node {
  display: flex;
  justify-content: flex-start;
  padding-left: var(--spacing-sm);
}

#trunk-line {
  position: absolute;
  top: 0;
  left: 0;
  width: var(--line-trunk);
  bottom: 0;
  background-color: var(--color-ink);
}

#fork-container {
  position: relative;
  margin-left: 0;
  display: none;
}

#fork-container.is-visible {
  display: block;
}

.fork-bsc-branch {
  display: flex;
  align-items: center;
  margin-left: calc(var(--line-trunk) / 2);
  padding: var(--spacing-sm) 0;
}

.fork-bsc-branch::before {
  content: '';
  display: block;
  width: var(--spacing-xl);
  height: var(--line-branch);
  background-color: var(--color-ink);
  flex-shrink: 0;
  margin-right: var(--spacing-sm);
}

.fork-hons-indicator {
  
  position: absolute;
  left: 0;
  bottom: 100%;
  width: var(--line-trunk);
  height: var(--spacing-lg);
  background: repeating-linear-gradient(
    to top,
    var(--color-ink) 0px,
    var(--color-ink) 4px,
    transparent 4px,
    transparent 8px
  );
}

.semester-block {
  position: relative;
  margin-bottom: 80px;
  padding-left: var(--spacing-xl);
  overflow: hidden;
  max-height: 0;
  opacity: 0;
}

.semester-block.is-revealed {
  max-height: none;
  opacity: 1;
}

.semester-block::before {
  content: '';
  position: absolute;
  top: 12px; 
  left: 0;
  width: var(--spacing-xl);
  height: var(--line-branch);
  background-color: var(--color-ink);
}

.semester-subtree {
  position: relative;
  padding-left: var(--spacing-xl);
  border-left: var(--line-sub) solid var(--color-ink);
}

.course-row {
  position: relative;
  margin-bottom: var(--spacing-sm);
}

.course-row::before {
  content: '';
  position: absolute;
  top: 50%;
  left: calc(-1 * var(--spacing-xl));
  width: var(--spacing-xl);
  height: var(--line-sub);
  background-color: var(--color-ink);
  transform: translateY(-50%);
}

.semester-subtree > .course-row:last-child {
  
}

.semester-label-node {
  display: inline-flex;
  flex-direction: column;
  border: var(--line-branch) solid var(--color-ink);
  padding: 8px 20px;
  cursor: pointer;
  user-select: none;
  margin-bottom: var(--spacing-md);
}

.semester-label-node:focus-visible {
  outline: var(--line-branch) solid var(--color-ink);
  outline-offset: 3px;
}

.semester-label-node .sem-label {
  font-size: 1.15rem;
  letter-spacing: 0.05em;
}

.semester-label-node .sem-units {
  font-size: var(--font-size-base);
  color: var(--color-ink-muted);
}

.node {
  border: var(--line-sub) solid var(--color-ink);
  padding: 8px 14px;
  cursor: pointer;
  user-select: none;
  position: relative;
  display: inline-block;
  min-width: 260px;
  max-width: 380px;
}

.node:focus-visible {
  outline: var(--line-branch) solid var(--color-ink);
  outline-offset: 2px;
}

.node-title {
  font-size: 0.95rem;
  font-weight: bold;
  line-height: 1.3;
}

.node-meta {
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
  margin-top: 2px;
}

.node.node-slot {
  border-style: dashed;
  color: var(--color-ink-muted);
}

.node.node-slot .node-title {
  font-weight: normal;
}

.node.node-slot .node-pick-hint {
  font-size: var(--font-size-sm);
  color: var(--color-ink-faint);
  margin-top: 2px;
}

.node.node-slot.is-filled {
  border-style: solid;
  color: var(--color-ink);
}

.node.node-slot.is-filled .node-title {
  font-weight: bold;
}

.node.node-slot .node-slot-label {
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
  margin-top: 2px;
  font-style: italic;
}

.node.node-project {
  border: var(--line-sub) solid var(--color-ink);
  outline: var(--line-sub) solid var(--color-ink);
  outline-offset: 3px;
}

.terminal-node {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  user-select: none;
  padding: var(--spacing-xs) 0;
}

.terminal-node:focus-visible {
  outline: var(--line-branch) solid var(--color-ink);
  outline-offset: 3px;
}

.terminal-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: var(--line-branch) solid var(--color-ink);
  flex-shrink: 0;
}

.terminal-dot.is-active {
  background-color: var(--color-ink);
}

.terminal-label {
  font-size: var(--font-size-base);
}

.node.is-active-grid {
  outline: var(--line-branch) solid var(--color-ink);
  outline-offset: 3px;
}

.node.is-locked {
  cursor: default;
  color: var(--color-accent-locked);
  border-color: var(--color-accent-locked);
}

.grid-picker {
  margin-top: var(--spacing-md);
  margin-left: calc(-1 * var(--spacing-xl) + var(--line-sub));
  padding: var(--spacing-md);
  border: var(--line-sub) solid var(--color-ink-faint);
  opacity: 0;
}

.grid-picker.is-open {
  opacity: 1;
}

.grid-help-text {
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
  font-style: italic;
  margin-bottom: var(--spacing-sm);
}

.grid-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.grid-tab {
  border: var(--line-sub) solid var(--color-ink-muted);
  padding: 2px var(--spacing-sm);
  font-size: var(--font-size-sm);
  cursor: pointer;
  color: var(--color-ink-muted);
  background: none;
  transition: color 0.1s, border-color 0.1s;
}

.grid-tab:hover {
  color: var(--color-ink);
  border-color: var(--color-ink);
  opacity: 1;
}

.grid-tab.is-active {
  border-color: var(--color-ink);
  color: var(--color-ink);
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-sm);
}

.grid-card {
  border: var(--line-sub) solid var(--color-ink);
  padding: 8px 14px;
  cursor: pointer;
  user-select: none;
  position: relative;
}

.grid-card:focus-visible {
  outline: var(--line-branch) solid var(--color-ink);
  outline-offset: 2px;
}

.grid-card.is-selected {
  outline: var(--line-branch) solid var(--color-ink);
  outline-offset: 3px;
}

.grid-card.is-locked-prereq {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none; 
}

.grid-card.is-duplicate {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

.grid-card-title {
  font-size: 0.95rem;
  font-weight: bold;
  line-height: 1.3;
}

.grid-card-meta {
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
  margin-top: 2px;
}

.grid-card-wrapper {
  position: relative;
}

#sidebar-content.is-fading {
  opacity: 0;
  transform: translateY(4px);
}

.sidebar-welcome h2 {
  font-size: var(--font-size-lg);
  font-weight: normal;
  margin-bottom: var(--spacing-md);
}

.sidebar-welcome p {
  font-size: var(--font-size-base);
  color: var(--color-ink-muted);
  line-height: 1.6;
}

.course-info-title {
  font-size: var(--font-size-xl);
  font-weight: normal;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
}

.course-info-divider {
  border: none;
  border-top: var(--line-sub) solid var(--color-ink-faint);
  margin-bottom: var(--spacing-md);
}

.course-info-meta {
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
  margin-bottom: var(--spacing-md);
}

.course-info-description {
  font-size: var(--font-size-base);
  color: var(--color-ink-muted);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.specialization-hint {
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
  margin-bottom: var(--spacing-md);
}

.prereqs-section {
  margin-top: var(--spacing-md);
}

.prereqs-section h3 {
  font-size: var(--font-size-sm);
  font-weight: bold;
  margin-bottom: var(--spacing-xs);
  letter-spacing: 0.04em;
}

.prereq-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

.prereq-badge {
  flex-shrink: 0;
  font-size: var(--font-size-sm);
  font-weight: bold;
}

.prereq-badge.met {
  color: var(--color-accent-positive);
}

.prereq-badge.unmet {
  color: var(--color-accent-negative);
}

.sem-overview-header {
  margin-bottom: var(--spacing-md);
}

.sem-overview-header h2 {
  font-size: var(--font-size-lg);
  font-weight: normal;
}

.sem-overview-header .sem-units-note {
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
  margin-top: var(--spacing-xs);
}

.sem-overview-section {
  margin-bottom: var(--spacing-md);
}

.sem-overview-section h3 {
  font-size: var(--font-size-sm);
  font-weight: bold;
  letter-spacing: 0.04em;
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.sem-overview-item {
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) 0;
  border-bottom: var(--line-sub) solid var(--color-ink-faint);
  color: var(--color-ink-muted);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.sem-overview-item.is-pending {
  color: var(--color-ink-faint);
  font-style: italic;
}

.grid-prompt {
  padding: var(--spacing-sm) 0;
}

.grid-prompt h2 {
  font-size: var(--font-size-base);
  font-weight: bold;
  margin-bottom: var(--spacing-xs);
}

.grid-prompt p {
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
  line-height: 1.5;
}

.fork-ui h2 {
  font-size: var(--font-size-lg);
  font-weight: normal;
  margin-bottom: var(--spacing-md);
}

.fork-option {
  border: var(--line-sub) solid var(--color-ink-faint);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.fork-option h3 {
  font-size: var(--font-size-base);
  font-weight: bold;
  margin-bottom: var(--spacing-xs);
}

.fork-option p {
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
  line-height: 1.5;
  margin-bottom: var(--spacing-md);
}

.fork-option.is-chosen {
  border-color: var(--color-accent-positive);
}

.fork-option.is-chosen button {
  border-color: var(--color-accent-positive);
  color: var(--color-accent-positive);
}

.fork-option button {
  width: 100%;
  padding: var(--spacing-xs) var(--spacing-md);
}

.end-card h2 {
  font-size: var(--font-size-base);
  font-weight: normal;
  color: var(--color-ink-muted);
  margin-bottom: var(--spacing-sm);
}

.end-card .end-degree {
  font-size: var(--font-size-xl);
  font-weight: bold;
  color: var(--color-ink);
  margin-bottom: var(--spacing-lg);
  line-height: 1.3;
}

.end-card-logo {
  float: right;
  width: 33%;
  filter: grayscale(1);
  margin-left: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.honours-highlight {
  text-decoration: underline;
  text-decoration-color: var(--color-honours-underline);
  text-underline-offset: 3px;
}

.end-card-switch-btn {
  display: inline-block;
  margin-top: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-decoration-color: var(--color-accent-blue);
}

.end-card-switch-btn:hover {
  color: var(--color-accent-blue);
}

.end-card-section {
  margin-bottom: var(--spacing-md);
}

.end-card-section h3 {
  font-size: var(--font-size-sm);
  font-weight: bold;
  letter-spacing: 0.04em;
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.end-card-item {
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) 0;
  border-bottom: var(--line-sub) solid var(--color-ink-faint);
  color: var(--color-ink-muted);
}

.end-specialization {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  border: var(--line-sub) solid var(--color-accent-positive);
  color: var(--color-accent-positive);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

#reset-confirm {
  display: none;
  align-items: center;
  gap: var(--spacing-xs);
}

#reset-confirm.is-visible {
  display: flex;
}

#reset-btn-initial {
  
}

#reset-btn-initial.is-hidden {
  display: none;
}

#theme-toggle-btn:hover,
#reset-btn-initial:hover,
#reset-confirm button:hover {
  background-color: var(--color-ink);
  color: var(--color-bg);
  opacity: 1;
}

.prereq-badge-inline {
  display: inline-block;
  font-size: var(--font-size-sm);
  margin-right: 2px;
}

.prereq-badge-inline.met {
  color: var(--color-accent-positive);
}

.prereq-badge-inline.unmet {
  color: var(--color-accent-negative);
}

.node-badges {
  margin-top: 3px;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.node-badge {
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: 2px;
}

.node-badge .badge-mark {
  font-weight: bold;
}

.node-badge.met .badge-mark {
  color: var(--color-accent-positive);
}

.node-badge.unmet .badge-mark {
  color: var(--color-accent-negative);
}

.node-badge .badge-text {
  color: var(--color-ink-muted);
}

.tooltip-wrapper {
  position: relative;
  display: inline-block;
}

.tooltip-box {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 0;
  min-width: 180px;
  max-width: 260px;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: var(--line-sub) solid var(--color-ink-faint);
  background-color: var(--color-bg);
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
  pointer-events: none;
  opacity: 0;
  z-index: 100;
  line-height: 1.4;
  white-space: normal;
}

.tooltip-wrapper:hover .tooltip-box,
.tooltip-wrapper:focus-within .tooltip-box {
  opacity: 1;
}

#continue-btn-wrapper {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-top: var(--line-sub) solid var(--color-ink-faint);
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  visibility: hidden;
}

#continue-btn-wrapper.is-visible {
  visibility: visible;
}

.continue-disabled-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  right: var(--spacing-lg);
  background-color: var(--color-bg);
  border: var(--line-sub) solid var(--color-ink-faint);
  color: var(--color-ink);
  font-size: 1rem;
  padding: var(--spacing-sm) var(--spacing-md);
  pointer-events: none;
  opacity: 0;
  white-space: nowrap;
  z-index: 50;
  transition: opacity 0.15s ease;
}

#continue-btn-wrapper[data-disabled="true"]:hover .continue-disabled-tooltip {
  opacity: 1;
}

#continue-btn {
  padding: 10px 28px;
  font-size: 1.1rem;
  border-width: var(--line-sub);
  border-color: var(--color-accent-blue);
  color: var(--color-accent-blue);
  flex-shrink: 0;
}

#continue-btn:not(:disabled):hover {
  background-color: var(--color-accent-blue);
  color: var(--color-on-accent);
  opacity: 1;
}

#continue-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  border-color: var(--color-ink-faint);
  color: var(--color-ink-faint);
}

#continue-hint {
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
  flex: 1;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.text-muted {
  color: var(--color-ink-muted);
}

.text-faint {
  color: var(--color-ink-faint);
}

.text-positive {
  color: var(--color-accent-positive);
}

.text-negative {
  color: var(--color-accent-negative);
}

.text-sm {
  font-size: var(--font-size-sm);
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }

.spec-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.spec-row-label {
  width: 80px;
  flex-shrink: 0;
  color: var(--color-ink-muted);
}

.spec-progress-bar {
  display: flex;
  gap: 3px;
  flex-shrink: 0;
}

.spec-bar-segment {
  width: 14px;
  height: 10px;
  border: var(--line-sub) solid var(--color-ink-muted);
}

.spec-bar-segment.filled {
  background-color: var(--color-ink);
}

.spec-row.is-achieved .spec-row-label,
.spec-row.is-achieved .spec-count {
  color: var(--color-accent-positive);
}

.spec-row.is-achieved .spec-bar-segment {
  border-color: var(--color-accent-positive);
}

.spec-row.is-achieved .spec-bar-segment.filled {
  background-color: var(--color-accent-positive);
}

.spec-count {
  color: var(--color-ink-muted);
  font-size: var(--font-size-sm);
}

.spec-achieved-label {
  font-size: var(--font-size-sm);
  color: var(--color-accent-positive);
  margin-left: var(--spacing-xs);
}

#sidebar-spec-tracker h4 {
  font-size: var(--font-size-sm);
  font-weight: bold;
  letter-spacing: 0.04em;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.semester-block {
  transition: max-height 0.3s ease, opacity 0.3s ease;
}

.semester-block.no-animate {
  transition: none;
}

.node,
.terminal-node {
  transition: opacity 0.2s ease;
}

#sidebar-content {
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.grid-picker {
  transition: opacity 0.2s ease;
}

.tooltip-box {
  transition: opacity 0.1s ease;
}

.tooltip-missing-label {
  text-decoration: underline;
}

.tooltip-missing-courses {
  color: var(--color-accent-negative);
}