/* ==========================================================================
   QT Trading Lab — reference pages: QMS dictionary and Advanced (coming soon).
   Requires qt-tokens.css, qt-components.css and qt-shell.css.
   ========================================================================== */

.ref {
  display: flex;
  flex-direction: column;
  gap: 28px;
  max-width: 980px;
  padding: 44px 44px 72px;
}

.ref-hero {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.ref-hero h1 {
  margin: 0;
  font-size: clamp(32px, 4vw, 44px);
  font-weight: var(--font-heading-weight);
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.ref-lede {
  max-width: 62ch;
  margin: 0;
  font-size: 16px;
  color: var(--color-text-muted);
  text-wrap: pretty;
}

.ref-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  margin-top: 12px;
  padding-top: 20px;
  background: linear-gradient(to right, transparent, var(--color-divider) 48px, var(--color-divider) calc(100% - 48px), transparent) no-repeat top / 100% 1px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--color-text-faint);
}

.ref-footer a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.ref-footer a:hover {
  color: var(--color-accent-300);
}

/* ---- Dictionary: controls ---- */
.dict-controls {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0 -14px;
  padding: 14px;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  background: var(--glass-fill-bar);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
}

.dict-search {
  position: relative;
  display: flex;
  align-items: center;
}

.dict-search svg {
  position: absolute;
  left: 13px;
  width: 16px;
  height: 16px;
  color: var(--color-text-faint);
  pointer-events: none;
}

.dict-search input {
  width: 100%;
  min-height: 44px;
  padding: 10px 44px 10px 38px;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-sunken) 70%, transparent);
  color: var(--color-text);
  font: 15px var(--font-body);
  caret-color: var(--color-accent);
  appearance: none;
}

.dict-search input::placeholder {
  color: var(--color-text-faint);
}

.dict-search input:hover {
  border-color: var(--color-divider-strong);
}

.dict-search input:focus-visible {
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 20%, transparent);
}

.dict-kbd {
  position: absolute;
  right: 10px;
  padding: 1px 7px;
  border: 1px solid var(--color-divider);
  border-radius: 5px;
  color: var(--color-text-faint);
  font: 11px var(--font-mono);
}

.dict-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.dict-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 4px 12px;
  border: 1px solid var(--color-divider);
  border-radius: 999px;
  background: transparent;
  color: var(--color-text-muted);
  font: 12.5px var(--font-body);
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.dict-chip span {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--color-text-faint);
  font-variant-numeric: tabular-nums;
}

.dict-chip:hover {
  border-color: var(--color-divider-strong);
  color: var(--color-text);
}

.dict-chip[aria-pressed="true"] {
  border-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 12%, transparent);
  color: var(--color-accent-300);
}

.dict-chip[aria-pressed="true"] span {
  color: var(--color-accent-300);
}

.dict-count {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-faint);
}

/* ---- Dictionary: terms ---- */
.dict-terms {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.term {
  scroll-margin-top: 190px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.term[hidden] {
  display: none;
}

.term > summary {
  display: grid;
  grid-template-areas:
    "head chevron"
    "def  chevron";
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 16px;
  padding: 18px 20px;
  list-style: none;
  cursor: pointer;
}

.term > summary::-webkit-details-marker {
  display: none;
}

.term > summary:focus-visible {
  border-radius: var(--radius-md);
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.term-head {
  display: flex;
  flex-wrap: wrap;
  grid-area: head;
  align-items: center;
  gap: 10px;
}

.term-name {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  transition: color 0.15s ease;
}

.term > summary:hover .term-name {
  color: var(--color-accent-300);
}

.term-def {
  grid-area: def;
  max-width: 72ch;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.term-chevron {
  display: grid;
  grid-area: chevron;
  align-self: center;
  width: 28px;
  height: 28px;
  place-items: center;
  color: var(--color-text-faint);
  transition: transform 0.2s ease, color 0.2s ease;
}

.term-chevron svg {
  width: 14px;
  height: 14px;
}

.term[open] {
  border-color: var(--color-divider-strong);
}

.term[open] .term-chevron {
  transform: rotate(90deg);
  color: var(--color-accent-300);
}

.term.is-target {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent), 0 6px 18px rgba(0, 0, 0, 0.28);
}

.term-detail {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 0 20px 18px;
}

.term-figure {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
}

.term-figure svg {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  background: var(--color-sunken);
}

.term-figure figcaption,
.term-caption {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.term-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 24px;
  padding-top: 12px;
  background: linear-gradient(to right, transparent, var(--color-divider) 48px, var(--color-divider) calc(100% - 48px), transparent) no-repeat top / 100% 1px;
}

.term-related,
.term-module {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
  margin: 0;
  font-size: 13px;
  color: var(--color-text-muted);
}

.term-related a {
  color: var(--color-accent-300);
  text-decoration: none;
}

.term-related a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.term-permalink {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-faint);
  text-decoration: none;
}

.term-permalink:hover {
  color: var(--color-accent-300);
}

.dict-empty {
  margin: 0;
  padding: 28px;
  border: 1px dashed var(--color-neutral-700);
  border-radius: var(--radius-md);
  font-size: 14px;
  text-align: center;
  color: var(--color-text-muted);
}

/* ---- Advanced (coming soon) ---- */
.adv-topics {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 640px;
  padding: 20px 22px;
}

.adv-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.adv-list li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.adv-list li::before {
  content: "";
  width: 8px;
  height: 1px;
  margin-top: 0.8em;
  background: var(--color-accent);
}

.adv-next {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.adv-next p {
  margin: 0;
  font-size: 14.5px;
  color: var(--color-text-muted);
}

.adv-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---- Responsive ---- */
@media (max-width: 1023px) {
  .ref {
    padding: 36px 32px 60px;
  }
}

@media (max-width: 767px) {
  .ref {
    gap: 22px;
    padding: 28px 18px 40px;
  }

  .dict-controls {
    position: static;
    margin: 0;
    padding: 0;
    border: 0;
    background: none;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  .dict-kbd {
    display: none;
  }

  .term {
    scroll-margin-top: 72px;
  }

  .term > summary {
    padding: 14px 16px;
  }

  .term-detail {
    padding: 0 16px 16px;
  }

  .term-permalink {
    margin-left: 0;
  }

  .ref-footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .term,
  .term-name,
  .term-chevron,
  .dict-chip {
    transition: none;
  }
}