/* Activity colors complement distinct icon shapes and accessible names. */
:root {
  --type-challenge: #365d89;
  --type-boss-battle: #8b5d0f;
  --type-knowledge-check: #236c6a;
}

/* Tracker interaction defaults */
.filter-options label, .challenge-label {
  touch-action: manipulation;
}

.level-value {
  font-family: Georgia, "Times New Roman", serif;
}
/* XP dashboard and character level */
.dashboard {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 2rem;
  padding: 2rem;
  border: 1px solid var(--gold);
  background: var(--ink);
  color: var(--surface);
  border-radius: .5rem;
  box-shadow: 0 .8rem 1.8rem rgb(0 0 0 / 14%);
}

.statistics {
  min-width: 0;
}

.rank {
  padding-right: 1rem;
  border-right: 1px solid #78869b;
}

.rank h2 {
  margin: 0;
  font-size: .95rem;
  font-weight: 500;
}

.level-value {
  color: var(--gold);
  font-size: 5rem;
  line-height: 1.1;
  text-shadow: 0 .12rem 0 rgb(0 0 0 / 18%);
}

.statistics > label, #next-level {
  font-size: .9rem;
}

#next-level {
  margin: .4rem 0 0;
}

progress {
  display: block;
  appearance: none;
  width: 100%;
  height: .65rem;
  margin-top: .5rem;
  border: 0;
  border-radius: 1rem;
  overflow: hidden;
  background: #526279;
  accent-color: var(--gold);
}

progress::-webkit-progress-bar {
  background: #526279;
}

progress::-webkit-progress-value {
  background: var(--gold);
}

progress::-moz-progress-bar {
  background: var(--gold);
}
/* Session storage feedback */
.session-notice {
  padding: .9rem 1rem;
  background: var(--notice);
  border-left: 3px solid var(--accent);
  font-size: .9rem;
}

.session-notice > p:first-child {
  margin-top: 0;
}

.session-notice > a {
  display: inline-block;
  margin: .5rem;
}

.list-intro {
  max-width: 74ch;
  margin-block: 1.75rem 1rem;
  color: var(--muted);
}
/* Challenge search and filters */
.discovery-controls {
  display: grid;
  grid-template-columns: minmax(12rem, 1fr) auto;
  align-items: end;
  gap: 1rem 2rem;
  margin-block: 1.5rem .75rem;
  padding: clamp(1rem, 2.5vw, 1.4rem);
  border: 1px solid var(--line);
  border-top-color: var(--gold);
  border-radius: .5rem;
  background: var(--surface);
  box-shadow: 0 .45rem 1.1rem rgb(0 0 0 / 4%);
}

.title-search label, .completion-filters legend {
  display: block;
  font-weight: 600;
  font-size: .9rem;
  margin-bottom: .5rem;
}

.title-search input {
  display: block;
  width: 100%;
  min-height: 3rem;
  padding: .6rem .8rem;
  border: 1px solid var(--muted);
  border-radius: .25rem;
  color: var(--ink);
  background: var(--surface);
}

.title-search input::placeholder {
  color: var(--muted);
  opacity: 1;
}

.completion-filters {
  border: 0;
  padding: 0;
  margin: 0;
  min-width: 0;
}

.completion-filters legend {
  padding: 0;
}

.filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.filter-options label {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  min-height: 3rem;
  padding: .5rem .7rem;
  border: 1px solid var(--muted);
  border-radius: .25rem;
  cursor: pointer;
}

.filter-options label:has(input:checked) {
  background: var(--ink);
  color: var(--surface);
  border-color: var(--ink);
}

.filter-options input {
  margin: 0;
  accent-color: var(--focus);
}

.filter-options label:has(input:focus-visible) {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.results-summary {
  margin-bottom: .75rem;
}

.results-summary p {
  color: var(--muted);
  font-size: .9rem;
  margin: 0;
}

.part-disclosure-controls {
  display: flex;
  justify-content: flex-end;
  margin-block: 2rem .75rem;
}

.challenge-label:hover {
  background: var(--paper);
}

.empty-results {
  padding: 1.5rem;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: .25rem;
}
/* Book part disclosures and progress indicators */
.book-part {
  margin-block: 2rem 3rem;
}

.book-part-disclosure > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem 1rem;
  min-height: 2.75rem;
  padding-bottom: .7rem;
  border-bottom: 2px solid var(--ink);
  cursor: pointer;
  list-style: none;
  scroll-margin-top: 1rem;
}

.book-part-disclosure[open] > summary {
  border-bottom-color: var(--accent);
}

.book-part-disclosure > summary::-webkit-details-marker {
  display: none;
}

.book-part-disclosure > summary h2 {
  display: inline;
  margin: 0;
  font-size: 1.3rem;
}

.book-part-disclosure > summary:focus-visible {
  outline-offset: 2px;
}

.part-disclosure-icon {
  display: grid;
  flex: 0 0 auto;
  width: 1.7rem;
  height: 1.7rem;
  padding: .34rem;
  border: 1px solid var(--line);
  border-radius: .35rem;
  color: var(--accent);
  background: var(--surface);
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease, transform 180ms ease;
}

.book-part-disclosure > summary:hover .part-disclosure-icon {
  border-color: var(--accent);
  background: var(--notice);
}

.book-part-disclosure[open] .part-disclosure-icon {
  border-color: var(--accent);
  background: var(--ink);
  color: var(--gold);
  transform: rotate(90deg);
}

.part-completion {
  display: grid;
  grid-template-columns: auto minmax(4rem, 8rem) auto;
  align-items: center;
  gap: .65rem;
  margin-left: auto;
  color: var(--muted);
  font-size: .82rem;
  font-weight: 550;
}

.part-completion progress {
  width: 100%;
  height: .45rem;
  margin: 0;
  background: var(--line);
  accent-color: var(--accent);
}

.part-completion progress::-webkit-progress-bar {
  background: var(--line);
}

.part-completion progress::-webkit-progress-value {
  background: var(--accent);
}

.part-completion progress::-moz-progress-bar {
  background: var(--accent);
}

.part-completion-percent {
  min-width: 2.5rem;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.book-part-disclosure .challenge-list {
  margin-top: 1rem;
}
/* Supplemental activity symbols and compact legend */
.activity-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem 1.25rem;
  margin-block: .5rem 1rem;
  font-size: .85rem;
  color: var(--muted);
}

.activity-legend > span {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: .4rem;
  white-space: nowrap;
}

.activity-type-icon {
  display: block;
  flex: 0 0 auto;
  width: 1.2rem;
  height: 1.2rem;
  max-width: 1.2rem;
  max-height: 1.2rem;
  color: var(--activity-color, var(--type-challenge));
}

.activity-type-icon--challenge {
  --activity-color: var(--type-challenge);
}

.activity-type-icon--boss-battle {
  --activity-color: var(--type-boss-battle);
}

.activity-type-icon--knowledge-check {
  --activity-color: var(--type-knowledge-check);
}

.activity-legend .activity-type-icon {
  width: 1rem;
  height: 1rem;
  min-width: 1rem;
  max-width: 1rem;
  min-height: 1rem;
  max-height: 1rem;
}

/* A thin row-edge key reinforces the icon color without making it the only cue. */
.challenge--challenge {
  --activity-color: var(--type-challenge);
}

.challenge--boss-battle {
  --activity-color: var(--type-boss-battle);
}

.challenge--knowledge-check {
  --activity-color: var(--type-knowledge-check);
}

/* Challenge rows and completion */
.challenge-list {
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: .45rem;
  box-shadow: 0 .5rem 1.25rem rgb(24 42 66 / 5%);
}

.challenge {
  border-inline-start: 3px solid var(--activity-color);
}

.challenge + .challenge {
  border-top: 1px solid var(--line);
}

.challenge-label {
  display: grid;
  grid-template-columns: 1.25rem minmax(0, 1fr) 5.5rem 4.5rem;
  align-items: center;
  gap: 1rem;
  min-height: 3.5rem;
  padding: .8rem 1rem;
  cursor: pointer;
  transition: background-color 150ms ease, box-shadow 150ms ease;
}

.challenge-label:hover {
  background: var(--paper);
  box-shadow: inset 3px 0 0 var(--gold);
}

.challenge-label:has(input:disabled) {
  cursor: default;
}

.challenge input {
  width: 1.15rem;
  height: 1.15rem;
  margin: 0;
  accent-color: var(--ink);
}

.challenge-title {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  min-width: 0;
  font-weight: 520;
}

.challenge-title-text {
  min-width: 0;
  overflow-wrap: anywhere;
}

.challenge-page, .challenge-reward {
  font-size: .85rem;
  color: var(--muted);
}

.challenge-reward {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.challenge-note {
  padding: 0 1rem 1rem 3.25rem;
  margin: 0;
  font-size: .85rem;
  color: var(--muted);
}

.is-complete .challenge-title {
  text-decoration: line-through;
  color: var(--muted);
}

.is-complete .challenge-reward {
  color: var(--accent);
  font-weight: 700;
}
/* Tracker-specific mobile layout */
@media (max-width: 640px) {
  .discovery-controls {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .results-summary {
    align-items: flex-start;
  }

  .filter-options label {
    flex: 1 1 auto;
    justify-content: center;
    padding-inline: .5rem;
  }

  .dashboard {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1.25rem;
  }

  .statistics {
    min-width: 0;
  }

  .rank {
    padding-right: 0;
    border-right: 0;
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    justify-content: space-between;
    align-items: center;
  }

  .level-value {
    font-size: 3rem;
  }

  .challenge-label {
    grid-template-columns: 1.25rem minmax(0, 1fr) 3.5rem;
    gap: .25rem .75rem;
    padding: .8rem;
  }

  .challenge input {
    grid-row: 1 / 3;
  }

  .challenge-title {
    font-size: .95rem;
  }

  .challenge-page {
    grid-column: 2;
    grid-row: 2;
  }

  .challenge-reward {
    grid-column: 3;
    grid-row: 1 / 3;
  }

  .challenge-note {
    padding-left: 2.8rem;
  }
}
/* System dark-mode adjustments */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .dashboard {
    background: #26374e;
    color: #f6f8fc;
  }

  :root:not([data-theme]) .challenge input {
    accent-color: #b5cbe9;
  }
}
/* Explicit dark-mode adjustments */
:root[data-theme="dark"] .dashboard {
  background: #26374e;
  color: #f6f8fc;
}

:root[data-theme="dark"] .challenge input {
  accent-color: #b5cbe9;
}

#variable-award-error {
  font-weight: 600;
}

/* Make all three colors readable on both system and explicitly selected dark UI. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --type-challenge: #a4c9f1;
    --type-boss-battle: #edd08b;
    --type-knowledge-check: #83d5cb;
  }
}

:root[data-theme="dark"] {
  --type-challenge: #a4c9f1;
  --type-boss-battle: #edd08b;
  --type-knowledge-check: #83d5cb;
}