/* ---------- Final Checklist App (interactive panel) ---------- */
.fc-app {
  margin: 1.5rem 0 2.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
  position: sticky;
  top: 4.5rem;
  z-index: 5;
}
:root.dark-active .fc-app { background: var(--surface); }

.fc-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.25rem;
}
@media (min-width: 700px) {
  .fc-stats { grid-template-columns: repeat(4, 1fr); }
}
.fc-stat {
  background: var(--bg-soft);
  border-radius: var(--r-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: .25rem;
  position: relative;
  min-height: 110px;
}
.fc-stat__label {
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  font-weight: 600;
}
.fc-stat__num {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--brand-blue);
  font-variant-numeric: tabular-nums;
}
.fc-stat--done .fc-stat__num { color: var(--success); }
.fc-stat--remaining .fc-stat__num { color: var(--brand-red); }
.fc-stat__sub {
  font-size: .85rem;
  color: var(--ink-soft);
  font-weight: 600;
}
.fc-stat--done .fc-stat__sub { color: var(--success); }
.fc-stat--remaining .fc-stat__sub { color: var(--brand-red); }
.fc-stat--status { align-items: center; justify-content: center; text-align: center; }
.fc-stat--status .fc-stat__label { align-self: flex-start; }
.fc-ring {
  width: 70px; height: 70px;
  display: block;
}
.fc-ring__bg { stroke: var(--line); }
.fc-ring__fg {
  stroke: var(--success);
  transition: stroke-dashoffset .4s var(--ease-out);
}
.fc-ring__check {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 22px;
  font-weight: 700;
  fill: var(--ink-mute);
  dominant-baseline: middle;
}
.fc-app.is-complete .fc-ring__check { fill: var(--success); }

.fc-jumpbar {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: .85rem 0 .35rem;
}
.fc-jumpbar__btn {
  min-height: 44px;
  padding: .55rem .85rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: .92rem;
  font-weight: 800;
  cursor: pointer;
}
.fc-jumpbar__btn:hover,
.fc-jumpbar__btn:focus-visible {
  border-color: var(--brand-blue);
  background: var(--bg-soft);
}

.fc-controls {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.fc-filter {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex: 1 0 16rem;
  min-width: 0;
}
.fc-filter__label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--ink-soft);
  white-space: nowrap;
}
.fc-filter select {
  flex: 1 1 auto;
  font-family: inherit;
  font-size: .9rem;
  padding: .4rem .75rem;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  color: var(--ink);
  cursor: pointer;
  min-width: 0;
  width: 100%;
  max-width: 100%;
}
.fc-actions {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  flex: 1 0 100%;
}
.fc-actions .btn {
  padding: .45rem .85rem;
  font-size: .85rem;
}
.fc-actions__reset { color: var(--brand-red); }

/* Hide checklist items that don't match current filter/show state */
.task-item.is-hidden { display: none !important; }

/* Check-date timestamp next to task text */
.fc-date {
  font-size: .75rem;
  color: var(--ink-mute);
  margin-left: auto;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  padding-left: .75rem;
}
.task-item:not(.is-done) .fc-date { display: none; }

/* Print mode */
@media print {
  .fc-controls, .fc-actions, .fc-app .fc-filter { display: none !important; }
  .fc-app {
    position: static;
    box-shadow: none;
    border: 1px solid #999;
  }
}


.tools-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .75rem 2rem;
  align-items: end;
  margin: 0 0 2rem;
  padding: 0 0 2rem;
  border-bottom: 1px solid var(--line);
}
.tools-intro .eyebrow,
.tools-intro h2,
.tools-intro p { margin: 0; }
.tools-intro h2 { max-width: 25ch; }
.tools-intro > p:last-of-type {
  grid-column: 1;
  max-width: 72ch;
  color: var(--ink-soft);
}
.tools-intro__actions {
  grid-column: 2;
  grid-row: 1 / span 3;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  min-width: 240px;
}
.tools-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 3rem;
}
.tools-card {
  display: block;
  text-decoration: none;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  transition: transform .25s var(--ease-out), border-color .25s, box-shadow .25s;
}
.tools-card:hover {
  transform: translateY(-3px);
  border-color: var(--brand-blue);
  box-shadow: var(--shadow-hover);
  color: var(--ink);
}
.tools-card__index {
  margin-bottom: 1.25rem;
  color: var(--brand-red);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: var(--fs-mini);
  font-weight: 800;
  letter-spacing: .08em;
}
.tools-card__title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 700;
  font-size: var(--fs-lead);
  margin-bottom: .35rem;
}
.tools-card__desc {
  font-size: var(--fs-small);
  color: var(--ink-soft);
  line-height: 1.4;
}

.tool {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 2rem;
  margin-bottom: 2rem;
  scroll-margin-top: 5rem;
}
.tool__kicker {
  margin: 0 0 .55rem;
  color: var(--brand-red);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: var(--fs-mini);
  font-weight: 800;
  letter-spacing: .08em;
}
.tool__title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--ink);
}
.tool__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
}
@media (min-width: 900px) {
  .tool__layout { grid-template-columns: 1fr 1fr; }
}
.tool__form { display: grid; gap: 1rem; }
.tool__result {
  background: var(--bg-soft);
  border-radius: var(--r-md);
  padding: 1.25rem;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.tool__result-label {
  font-size: var(--fs-mini);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--brand-blue);
  font-weight: 700;
  margin-bottom: .75rem;
}

.field {
  display: grid;
  gap: .35rem;
}
.tools-page,.search-shell{padding:2rem 1rem 4rem}.search-form{position:relative}.search-form input[type="search"]{padding-right:4.3rem}.search-form__submit{position:absolute;top:.45rem;right:.45rem;display:grid;place-items:center;min-width:48px;min-height:48px;padding:.6rem;border:0;background:var(--brand-red);color:var(--on-accent)}.search-form__submit:hover{background:var(--brand-blue-solid);color:var(--on-brand)}
.field.hidden { display: none; }
.field > span {
  font-size: var(--fs-mini);
  color: var(--ink-soft);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.field input, .field select, .field textarea {
  font: inherit;
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  padding: .65rem .85rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--bg);
  color: var(--ink);
  font-size: 1rem;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(0, 64, 119, 0.15);
}
.field.is-missing > span {
  color: var(--brand-red);
}
.field.is-missing input,
.field.is-missing select,
.field.is-missing textarea {
  border-color: var(--brand-red);
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: .75rem;
}
.field-row > * { min-width: 0; }
@media (max-width: 600px) {
  .field-row { grid-template-columns: 1fr; }
}
.biblio-out {
  background: transparent;
  border: 0;
  padding: 0;
  font-family: 'Georgia', 'Times New Roman', serif;
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 1rem;
  line-height: 1.55;
  margin-bottom: 1rem;
  min-height: 6rem;
}

/* Q&A simulator */
.qa-card {
  background: var(--surface-2);
  padding: 2rem;
  border-radius: var(--r-md);
  border-left: 4px solid var(--brand-blue);
  margin-top: 1rem;
}
.qa-q {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 1rem;
  min-height: 4rem;
}
.qa-tip {
  font-size: var(--fs-small);
  color: var(--ink-soft);
  margin-bottom: 1.5rem;
  padding: .75rem 1rem;
  background: var(--bg-soft);
  border-radius: var(--r-sm);
  display: none;
}
.qa-tip:not(:empty) { display: block; }
.qa-tip[hidden] { display: none; }
.qa-level { max-width: 260px; margin-top: 1.25rem; }
.qa-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.qa-counter {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-small);
  color: var(--ink-mute);
  margin-left: auto;
}
.qa-controls .is-danger {
  background: var(--brand-red) !important;
  color: var(--on-accent) !important;
}

/* GOST search */
.gost-answer { margin-top: 1rem; }

/* Mistakes carousel */
.mistake-card {
  background: var(--surface-2);
  border-radius: var(--r-md);
  padding: 1.5rem;
  margin-top: 1rem;
}
.mistake-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 768px) {
  .mistake-row { grid-template-columns: 1fr 1fr; }
}
.mistake-bad, .mistake-good {
  padding: 1.25rem;
  border-radius: var(--r-md);
  background: var(--surface);
}
.mistake-bad { border-left: 4px solid var(--brand-red); }
.mistake-good { border-left: 4px solid var(--brand-blue); }
.mistake-label {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 700;
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: .75rem;
}
.mistake-bad .mistake-label { color: var(--brand-red); }
.mistake-good .mistake-label {color:var(--brand-blue)}
/* ---------- /search.html — standalone search page ---------- */
.search-page { max-width: 720px; margin: 0 auto; }
.search-form input[type="search"] {
  width: 100%;
  font-family: inherit;
  font-size: var(--fs-lead);
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: var(--r-md);
  color: var(--ink);
  transition: border-color .2s;
}
.search-form input[type="search"]:focus {
  outline: none;
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 4px rgba(0, 64, 119, 0.12);
}
.search-form__hint {
  margin-top: .75rem;
  font-size: .85rem;
  color: var(--ink-soft);
}
.search-form__hint kbd {
  display: inline-block;
  padding: .1em .45em;
  font-family: 'JetBrains Mono', monospace;
  font-size: .82em;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink);
}
.search-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 1rem 0 0;
}
.search-filters button {
  min-height: 42px;
  padding: .55rem .85rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--surface);
  color: var(--ink-soft);
  font: inherit;
  font-size: .88rem;
  font-weight: 700;
  cursor: pointer;
}
.search-filters button.is-active {
  background: var(--brand-blue);
  border-color: var(--brand-blue);
  color: var(--on-accent);
}
.search-meta {
  margin: 1.25rem 0 .5rem;
  font-size: .9rem;
  color: var(--ink-soft);
  font-weight: 600;
}
.search-results { display: grid; gap: .85rem; }
.search-hit {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--brand-blue);
  border-radius: var(--r-md);
  padding: 1rem 1.25rem;
}
.search-hit--action {
  border-left-color: var(--brand-red);
  background: linear-gradient(135deg, var(--surface), color-mix(in oklab, var(--red-20) 34%, var(--surface)));
}
.search-hit__title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 700;
  font-size: var(--fs-lead);
  color: var(--brand-blue);
  text-decoration: none;
  display: block;
  margin-bottom: .35rem;
}
.search-hit__title:hover { text-decoration: underline; }
.search-hit__cat {
  display: inline-flex;
  margin-bottom: .35rem;
  color: var(--brand-red);
  font-size: .72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}
.search-hit__snippet {
  color: var(--ink-soft);
  font-size: .92rem;
  line-height: 1.5;
}
.search-hit mark { background: var(--red-20); color: var(--brand-red); padding: 0 .15em; border-radius: 3px; font-weight: 700; }
:root.dark-active .search-hit mark { background: rgba(242, 89, 109, 0.18); color: var(--brand-red); }
.search-sects {
  list-style: none;
  padding: 0;
  margin: .75rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
}
.search-sects li::before { display: none; }
.search-sects a {
  display: inline-block;
  padding: .25rem .65rem;
  background: var(--bg-soft);
  border-radius: var(--r-pill);
  font-size: .8rem;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--line);
}
.search-sects a:hover { background: var(--brand-blue); color: var(--on-accent); border-color: var(--brand-blue); }
.search-empty {
  padding: 2rem;
  text-align: center;
  color: var(--ink-soft);
  background: var(--surface);
  border-radius: var(--r-md);
  border: 1px dashed var(--line);
}
@media (max-width: 640px) {
  .search-page { max-width: none; }
  .search-filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    margin-left: -.9rem;
    margin-right: -.9rem;
    padding: 0 .9rem .35rem;
    -webkit-overflow-scrolling: touch;
  }
  .search-filters::-webkit-scrollbar { display: none; }
  .search-filters button {
    flex: 0 0 auto;
    min-height: 44px;
  }
}

/* ---------- Flow chart (numbered horizontal/vertical steps) ---------- */
.flowchart {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: stretch;
  counter-reset: flowstep;
}
.flowchart__step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--brand-blue);
  border-radius: var(--r-md);
  padding: .75rem 1rem .75rem .85rem;
  display: flex;
  align-items: center;
  gap: .65rem;
  position: relative;
  flex: 1 1 calc(25% - .5rem);
  min-width: 12rem;
  font-size: .92rem;
  line-height: 1.3;
  box-shadow: var(--shadow-soft);
  transition: transform .2s var(--ease-out), border-color .2s;
}
.flowchart__step:hover { transform: translateY(-2px); border-left-color: var(--brand-red); }
.flowchart__step:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--fs-lead);
  font-weight: 700;
  color: var(--brand-red);
  pointer-events: none;
  display: none;
}
@media (min-width: 980px) {
  .flowchart__step:not(:last-child)::after { display: block; }
  .flowchart__step { flex: 1 1 calc(12.5% - .8rem); }
}
.flowchart__step--final { border-left-color: var(--brand-red); background: var(--bg-warm); }
.flowchart__n {
  width: 1.6rem; height: 1.6rem;
  background: var(--brand-blue);
  color: var(--on-accent);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 700;
  font-size: .85rem;
  flex-shrink: 0;
}
.flowchart__step--final .flowchart__n { background: var(--brand-red); }
.flowchart__t {
  color: var(--ink);
  font-weight: 500;
  min-width: 0;
}


/* ---------- 69. DOI lookup block (bibliography tool) ---------- */
.biblio-doi {
  background: color-mix(in oklab, var(--brand-blue) 7%, var(--surface));
  border: 1px solid color-mix(in oklab, var(--brand-blue) 25%, var(--line));
  border-radius: var(--r-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}
.biblio-doi label.field { margin: 0; min-width: 0; }
.biblio-doi label.field > span,
.biblio-doi__hint { overflow-wrap: anywhere; }
.biblio-doi__row {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
  min-width: 0;
}
.biblio-doi__row input {
  flex: 1;
  min-width: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--ink);
  min-height: 44px;
}
.biblio-doi__row button { white-space: nowrap; min-height: 44px; }
.biblio-doi__row button:disabled { opacity: 0.6; cursor: wait; }
.biblio-doi__hint {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.78rem;
  color: var(--ink-soft);
}
.biblio-doi__status {
  margin-top: 0.65rem;
  font-size: 0.88rem;
  min-height: 1.2em;
}
.biblio-doi__status.is-loading { color: var(--ink-soft); }
.biblio-doi__status.is-ok { color: var(--success, #2BAA5B); font-weight: 600; }
.biblio-doi__status.is-err { color: var(--brand-red); font-weight: 500; }


/* ---------- 69. VKR topic navigator ---------- */
.topic-picker {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(1.25rem, 3vw, 2rem);
  margin: 2rem 0;
}
.topic-picker__controls {
  display: grid;
  grid-template-columns: minmax(160px, .75fr) minmax(220px, 1.05fr) minmax(260px, 1.4fr) auto;
  gap: .85rem;
  align-items: end;
  margin: 1.25rem 0;
}
.topic-picker__query input {
  width: 100%;
}
.topic-picker__reset {
  min-height: 44px;
}
.topic-picker__chips {
  display: flex;
  gap: .5rem;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  margin: -.45rem 0 1rem;
  padding-bottom: .25rem;
}
.topic-picker__chips::-webkit-scrollbar { display: none; }
.topic-picker__chip {
  flex: 0 0 auto;
  min-height: 44px;
  padding: .55rem .8rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--surface);
  color: var(--ink);
  font-size: var(--fs-small);
  font-weight: 700;
  scroll-snap-align: start;
}
.topic-picker__chip:focus-visible,
.topic-picker__chip:hover {
  border-color: var(--brand-blue);
  background: var(--bg-soft);
}
.topic-picker__results {
  display: grid;
  gap: 1rem;
}
.topic-result {
  background: var(--bg);
  border: 1px solid var(--line);
  border-left: 4px solid var(--brand-blue);
  border-radius: var(--r-md);
  padding: 1.1rem;
}
.topic-result.is-best {
  border-left-color: var(--brand-red);
}
.topic-result__head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  margin-bottom: .45rem;
}
.topic-result__title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--ink);
}
.topic-result__score {
  white-space: nowrap;
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-mini);
  color: var(--brand-blue);
  font-weight: 700;
}
.topic-result__body {
  color: var(--ink-soft);
  margin: .35rem 0 .9rem;
}
.topic-result__next {
  color: var(--ink-soft);
  font-size: var(--fs-small);
  margin: .65rem 0 0;
}
.topic-result__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .85rem;
  margin-top: .9rem;
}
.topic-result__block {
  background: var(--surface-2);
  border-radius: var(--r-sm);
  padding: .8rem;
}
.topic-result__label {
  display: block;
  color: var(--brand-red);
  font-size: var(--fs-mini);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-weight: 800;
  margin-bottom: .35rem;
}
.topic-result__list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  font-size: var(--fs-small);
  line-height: 1.5;
}
.topic-result__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1rem;
}
.topic-picker__note {
  color: var(--ink-mute);
  font-size: var(--fs-small);
  margin-top: 1rem;
}
.privacy-actions {
  display: grid;
  gap: .5rem;
  margin: 1rem 0 1.25rem;
}
.privacy-actions__status {
  min-height: 1.4em;
  color: var(--brand-blue);
  font-size: var(--fs-small);
  font-weight: 700;
}
@media (max-width: 860px) {
  .topic-picker__controls,
  .topic-result__grid {
    grid-template-columns: 1fr;
  }
  .topic-result__head {
    display: block;
  }
  .topic-result__score {
    display: block;
    margin-top: .25rem;
  }
}

/* ---------- 70. Route planner, parent checks, track profiles ---------- */
.route-planner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
  gap: 1rem;
  align-items: start;
}
.route-planner__form,
.route-planner__result,
.student-dashboard,
.doc-path,
.gantt2__summary {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 1rem;
}
.route-planner__form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .85rem;
}
.route-planner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  align-items: end;
}
.route-planner__result {
  grid-column: 1 / 2;
}
.route-result__head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--ink);
  margin-bottom: .6rem;
}
.route-result__head span {
  color: var(--brand-red);
  font-weight: 700;
}
.route-result__list {
  margin: 0;
  padding-left: 1.25rem;
}
.route-result__note {
  margin: .85rem 0 0;
  padding: .85rem 1rem;
  border-left: 3px solid var(--brand-red);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--ink-soft);
}
.student-dashboard {
  grid-column: 2 / 3;
  grid-row: 1 / span 2;
}
.student-dashboard h3 {
  margin-top: 0;
  font-size: 1.05rem;
}
.student-dashboard dl {
  display: grid;
  gap: .55rem;
  margin: .75rem 0;
}
.student-dashboard dl > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: .45rem;
}
.student-dashboard dt {
  color: var(--ink-mute);
  font-size: var(--fs-small);
}
.student-dashboard dd {
  margin: 0;
  font-weight: 700;
  text-align: right;
}
.route-summary {
  display: grid;
  gap: .6rem;
  margin-top: .9rem;
}
.route-summary label {
  display: grid;
  gap: .35rem;
}
.route-summary span {
  color: var(--ink-mute);
  font-size: var(--fs-mini);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}
.route-summary textarea {
  width: 100%;
  min-height: 9rem;
  resize: vertical;
  padding: .75rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--bg);
  color: var(--ink);
  font: .85rem/1.5 'JetBrains Mono', ui-monospace, monospace;
}
.route-summary__copy {
  justify-content: center;
}
.countdown__actions {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  font-size: var(--fs-small);
  line-height: 1.45;
}
.countdown__actions li + li { margin-top: .35rem; }
.topic-result__decision,
.track-profile__grid,
.doc-path__grid,
.process-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .85rem;
}
.topic-result__decision {
  margin-top: 1rem;
}
.topic-result__decision > div,
.track-profile,
.process-card,
.doc-path__grid > section {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: .85rem;
}
.topic-result__risk {
  margin: .35rem 0 0;
  color: var(--ink-soft);
  font-size: var(--fs-small);
}
.track-profiles {
  display: grid;
  gap: 1rem;
  margin: 1rem 0 2rem;
}
.track-profile__head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
}
.track-profile__head h3 {
  margin: 0;
  font-size: 1.15rem;
}
.track-profile__head span {
  color: var(--brand-blue);
  font-weight: 800;
  font-size: var(--fs-small);
}
.track-profile__grid ul,
.doc-path__grid ul {
  margin: .45rem 0 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  font-size: var(--fs-small);
}
.track-profile__result {
  margin-bottom: 0;
  color: var(--ink-soft);
}
.segmented {
  display: inline-flex;
  flex-wrap: wrap;
  gap: .35rem;
  padding: .25rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-soft);
  margin: .75rem 0 1rem;
}
.segmented button {
  border: 0;
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--ink-soft);
  min-height: 44px;
  padding: .55rem .85rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.segmented button.is-active {
  background: var(--surface);
  color: var(--brand-blue);
  box-shadow: var(--shadow-soft);
}
.process-card p,
.gantt2__summary p {
  color: var(--ink-soft);
  margin-bottom: 0;
}
.gantt2__summary {
  margin-top: 1rem;
}
.gantt2__summary h3 {
  margin-top: 0;
}
.gantt2__summary-note {
  font-size: var(--fs-small);
}
.freshness-marker {
  display: flex;
  justify-content: center;
  gap: .5rem;
  flex-wrap: wrap;
  padding: .78rem 1rem;
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--ink-mute);
  font-size: var(--fs-small);
  line-height: 1.45;
  text-align: center;
}
.freshness-marker a {
  color: var(--brand-blue);
  font-weight: 700;
}
@media (max-width: 560px) {
  .freshness-marker [aria-hidden="true"] {
    display: none;
  }
}
@media (max-width: 860px) {
  .route-planner,
  .route-planner__form,
  .topic-result__decision,
  .track-profile__grid,
  .doc-path__grid,
  .process-grid {
    grid-template-columns: 1fr;
  }
  .route-planner__result,
  .student-dashboard {
    grid-column: auto;
    grid-row: auto;
  }
  .route-result__head,
  .track-profile__head {
    display: block;
  }
}
@media print {
  .nav, .header, .bottom-nav, .footer, .route-planner__form, .tools-nav, .tool__form,
  .theme-toggle, .lang-toggle, .nav__burger, .nav__search {
    display: none !important;
  }
  .doc-path, .gantt2__summary, .checklist, .detail-content {
    box-shadow: none !important;
  }
  a[href]::after { content: ""; }
}
/* Responsive containment for generated results, including unavailable KaTeX. */
.tool,.tool__layout>*,.mistake-row>*,.mistake-body,.gantt2{min-width:0;max-width:100%}
.mistake-formula{overflow-x:auto;overflow-wrap:anywhere;padding-block:.4rem}
.archive-label{font-size:.8rem;color:var(--ink-mute)}
@media(max-width:900px){.tools-intro{grid-template-columns:1fr}.tools-intro__actions{grid-column:1;grid-row:auto;flex-direction:row;flex-wrap:wrap;margin-top:.5rem}.tools-nav{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.tool{padding:1.1rem!important}.tools-nav{grid-template-columns:1fr!important}.tools-card{padding:1rem!important}.tools-card__index{margin-bottom:.6rem}.tools-card__title{font-size:1rem!important}.tools-card__desc{font-size:.85rem!important}.tools-intro__actions{display:grid;grid-template-columns:1fr}.tools-intro__actions .btn{width:100%}}

.gantt2 { display: grid; gap: 1.25rem; margin-top: 1.5rem; }
.gantt2__panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 1rem 1.25rem;
  display: grid;
  gap: 0.85rem;
}
.gantt2__row { display: flex; flex-wrap: wrap; gap: 1rem; align-items: end; }
.gantt2__row--actions { gap: 0.5rem; flex-wrap: wrap; }
.gantt2__level {
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 0.5rem 0.85rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.gantt2__level legend {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--ink-soft);
  padding: 0 0.4rem;
}
.gantt2__level label { display: inline-flex; gap: 0.4rem; align-items: center; cursor: pointer; font-size: 0.9rem; }

.gantt2__stats {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-top: 0.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}
.gantt2__stat strong {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.3rem;
  color: var(--brand-blue);
  margin-right: 0.25rem;
}
.gantt2__stat--days strong { color: var(--brand-red); font-size: 1.6rem; }
.gantt2__stat--progress strong { color: var(--success, #1A7A40); }

.gantt2__chart {
  background: color-mix(in oklab, var(--bg-soft) 80%, var(--surface));
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 1rem;
  overflow-x: auto;
  position: relative;
  min-height: 200px;
}
.gantt2__markers {
  display: flex;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--ink-soft);
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--line);
  margin-bottom: 0.5rem;
}
.gantt2__marker-label { width: 220px; flex-shrink: 0; }
.gantt2__marker-track {
  flex: 1;
  position: relative;
  min-width: 400px;
  height: 1.4em;
}
.gantt2__marker-track span {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  white-space: nowrap;
}
.gantt2__today-line {
  position: absolute;
  top: 32px;
  bottom: 16px;
  width: 2px;
  background: color-mix(in oklab, var(--brand-red) 75%, transparent);
  z-index: 5;
  pointer-events: none;
}
.gantt2__today-line span {
  position: absolute;
  top: -22px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand-red);
  color: var(--on-accent);
  padding: 0.15rem 0.5rem;
  border-radius: var(--r-sm);
  font-size: 0.7rem;
  font-family: 'JetBrains Mono', monospace;
  white-space: nowrap;
}

.gantt2__rows { display: grid; gap: 0.4rem; }
.gantt2__row[data-id] {
  display: flex;
  align-items: center;
  min-height: 32px;
  gap: 0.5rem;
}
.gantt2__label {
  width: 220px;
  flex-shrink: 0;
  font-size: 0.85rem;
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding-right: 0.5rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.gantt2__status {
  display: inline-block;
  width: 18px;
  flex-shrink: 0;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  color: var(--ink-soft);
}
.gantt2__name { overflow: hidden; text-overflow: ellipsis; }
.gantt2__track {
  flex: 1;
  position: relative;
  background: var(--surface);
  border-radius: var(--r-pill);
  height: 22px;
  min-width: 400px;
  border: 1px solid var(--line);
}
.gantt2__bar {
  border: 1px solid var(--blue-40);
  position: absolute;
  top: 2px;
  bottom: 2px;
  border-radius: var(--r-pill);
  display: flex;
  align-items: center;
  padding: 0 0.55rem;
  color: var(--on-brand);
  font-size: 0.7rem;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-shadow: 0 1px 2px rgba(0,0,0,0.55);
  transition: filter 0.2s ease;
}
.gantt2__bar:hover { filter: brightness(1.1); cursor: help; }
.gantt2__bar--done { opacity: 0.55; }
.gantt2__bar--doing { box-shadow: 0 0 0 2px color-mix(in oklab, var(--brand-red) 70%, transparent); }

.gantt2__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.35rem;
}
.gantt2__list li::before { display: none; }
.gantt2__item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem 0.75rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-size: 0.9rem;
}
.gantt2__item--done { opacity: 0.6; text-decoration: line-through; }
.gantt2__item--doing { border-left: 3px solid var(--brand-red); }
.gantt2__status-btn {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  cursor: pointer;
  color: var(--ink);
  flex-shrink: 0;
  display: grid;
  place-items: center;
  transition: background 0.18s ease;
}
.gantt2__status-btn:hover { background: color-mix(in oklab, var(--brand-blue) 15%, var(--bg-soft)); }
.gantt2__item--done .gantt2__status-btn { background: color-mix(in oklab, var(--success, #1A7A40) 15%, var(--surface)); border-color: var(--success, #1A7A40); }
.gantt2__item--doing .gantt2__status-btn { background: color-mix(in oklab, var(--brand-red) 15%, var(--surface)); border-color: var(--brand-red); }
.gantt2__item-name {
  flex: 1;
  min-width: 0;
  color: var(--ink);
  font-weight: 500;
}
.gantt2__recovery {
  width: 100%;
  padding-left: 38px;
  color: var(--brand-red);
  font-size: var(--fs-small);
}
.gantt2__item-dates {
  display: flex;
  gap: 0.35rem;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--ink-soft);
  flex-wrap: wrap;
}
.gantt2__date-input {
  padding: 0.3rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-family: inherit;
  font-size: 0.85rem;
  background: var(--bg-soft);
  color: var(--ink);
}
.gantt2__dur-input {
  width: 56px;
  padding: 0.3rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  background: var(--bg-soft);
  color: var(--ink);
  text-align: center;
}

.gantt2__legend {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.gantt2__leg {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.gantt2__leg i {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 4px;
  flex-shrink: 0;
}
.gantt2__leg-status {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
}
.gantt2__hint {
  font-size: 0.85rem;
  color: var(--ink-mute);
  margin: 0.5rem 0 0;
  font-style: italic;
}

@media (max-width: 768px) {
  .gantt2__label, .gantt2__marker-label { width: 140px; font-size: 0.78rem; }
  .gantt2__bar-dates { display: none; }
  .gantt2__item-dates { width: 100%; padding-left: 36px; }
  .gantt2__item { flex-wrap: wrap; }
}

@media print {
  .gantt2__panel { display: none; }
  .gantt2__chart { overflow: visible; page-break-inside: avoid; }
  .gantt2__bar { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .gantt2__hint { display: none; }
}



/* GANTT v2 polish — overdue, custom-task, remove-btn */
.gantt2__item--overdue {
  border-left: 3px solid var(--brand-red);
  background: color-mix(in oklab, var(--brand-red) 5%, var(--surface));
}
.gantt2__overdue-badge {
  display: inline-block;
  background: var(--brand-red);
  color: var(--on-accent);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.1rem 0.45rem;
  border-radius: var(--r-pill);
  margin-left: 0.5rem;
  vertical-align: middle;
  text-transform: lowercase;
  letter-spacing: 0.02em;
}
.gantt2__item--custom {
  background: color-mix(in oklab, var(--brand-blue) 6%, var(--surface));
  border-color: color-mix(in oklab, var(--brand-blue) 30%, var(--line));
}
.gantt2__remove-btn {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  cursor: pointer;
  color: var(--ink-soft);
  font-size: 0.85rem;
  margin-left: 0.5rem;
  transition: background 0.18s ease, color 0.18s ease;
  display: grid;
  place-items: center;
}
.gantt2__remove-btn:hover {
  background: var(--brand-red);
  color: var(--on-accent);
  border-color: var(--brand-red);
}

/* Undo/redo buttons */
#g2-undo, #g2-redo {
  min-width: 40px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.1rem;
}
#g2-undo[disabled], #g2-redo[disabled] {
  opacity: 0.4;
  cursor: not-allowed;
}

/* The checklist must never cover the items it controls. */
.fc-app{position:static!important;top:auto!important;margin-bottom:2rem}
.fc-expand{display:none!important}
.fc-priority-legend{font-size:.8rem}

@media(max-width:600px){.fc-app{padding:1rem}.fc-stats{gap:.5rem}.fc-stat{padding:.7rem;min-height:0}.fc-stat__num{font-size:1.7rem}.fc-ring{width:48px;height:48px}.fc-jumpbar{display:grid;gap:.5rem}.fc-jumpbar__btn{font-size:.8rem}.fc-filter{gap:.5rem}.fc-filter select{width:100%;min-width:0}}

.task-item[data-priority="critical"]{border-left:3px solid var(--brand-red);padding-left:.7rem}.task-item[data-priority="important"]{border-left:3px solid var(--brand-blue);padding-left:.7rem}.task-item[data-priority="recommended"]{border-left:3px solid var(--line);padding-left:.7rem}