/* Страница «Нейросеть для редактирования курсовой»: было → стало, пометки на полях, калькулятор токенов.
   Цвета и радиусы — из redesign-v2.css. */

/* ---------- Было → стало ---------- */
.rk-demo {
  display: grid;
  gap: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: #fff;
  box-shadow:
    0 32px 72px rgba(15, 23, 42, 0.09),
    0 8px 20px rgba(15, 23, 42, 0.03);
}

.rk-demo__tools {
  display: flex;
  gap: 8px;
  margin: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.rk-demo__tools::-webkit-scrollbar {
  display: none;
}

.rk-tool {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 8px 14px 8px 8px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  font: inherit;
  text-align: left;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s, box-shadow 0.2s;
}

.rk-tool:hover {
  border-color: #bfdbfe;
}

.rk-tool:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.rk-tool__ico {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: var(--blue-soft, #eff6ff);
  color: var(--blue);
}

.rk-tool__ico svg {
  width: 18px;
  height: 18px;
}

.rk-tool__txt {
  display: grid;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.25;
}

.rk-tool__txt small {
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
}

.rk-tool.is-active {
  border-color: var(--blue);
  background: linear-gradient(180deg, #f5f9ff, #fff);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.14);
}

.rk-tool.is-active .rk-tool__ico {
  background: linear-gradient(135deg, #3b82f6 0%, var(--blue) 100%);
  color: #fff;
}

.rk-demo__stage {
  min-width: 0;
  padding: 18px;
  border-radius: 20px;
  background:
    radial-gradient(ellipse 70% 55% at 85% 0%, rgba(37, 99, 235, 0.1), transparent 60%),
    linear-gradient(165deg, #f0f5fb 0%, #e8eef8 100%);
}

.rk-demo__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  margin: 0 0 14px;
}

.rk-demo__crumb {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}

.rk-demo__token {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #bfdbfe;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}

.rk-demo__token b {
  color: var(--blue);
}

.rk-demo__pair {
  display: grid;
  gap: 12px;
  align-items: stretch;
}

.rk-demo__arrow {
  justify-self: center;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.3);
  transform: rotate(90deg);
}

.rk-card {
  min-width: 0;
  padding: 16px 18px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--line);
}

.rk-card--before {
  background: rgba(255, 255, 255, 0.7);
}

.rk-card--after {
  border-color: #93c5fd;
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.12);
}

.rk-card__label {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.rk-card--after .rk-card__label {
  color: var(--blue);
}

.rk-card__label span {
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
  font-variant-numeric: tabular-nums;
}

.rk-card__text p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-2);
  text-indent: 1.25em;
}

.rk-card__text p:last-child {
  margin-bottom: 0;
}

.rk-card--before .rk-card__text p {
  color: var(--muted);
}

.rk-card__text mark {
  padding: 0 2px;
  border-radius: 4px;
  background: #fee2e2;
  color: #b91c1c;
  text-decoration: line-through;
  text-decoration-color: rgba(185, 28, 28, 0.55);
}

.rk-card__text ins {
  padding: 0 2px;
  border-radius: 4px;
  background: #dcfce7;
  color: #166534;
  text-decoration: none;
}

.rk-card__text .rk-gap {
  text-indent: 0;
  padding: 8px 12px;
  border: 1.5px dashed #93c5fd;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  text-align: center;
}

.rk-card__text .rk-new {
  padding: 8px 10px;
  margin-left: -10px;
  margin-right: -10px;
  border-radius: 10px;
  background: #ecfdf3;
  color: #14532d;
}

.rk-demo__note {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-2);
}

.rk-demo__stage.is-swap .rk-card--after {
  animation: rk-pop 0.45s var(--ease, ease) both;
}

@keyframes rk-pop {
  from {
    opacity: 0.2;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Калькулятор токенов ---------- */
.rk-calc .wl-calc__label label {
  cursor: pointer;
}

.rk-seg {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.rk-offers {
  display: grid;
  gap: 10px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.rk-offer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2px 12px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.75);
  transition: border-color 0.25s, box-shadow 0.25s, background-color 0.25s;
}

.rk-offer__name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  color: var(--ink);
}

.rk-offer__calc {
  grid-column: 1;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}

.rk-offer__sum {
  grid-column: 2;
  grid-row: 1 / span 2;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.rk-offer.is-best {
  border-color: var(--blue);
  background: #fff;
  box-shadow: 0 12px 26px rgba(37, 99, 235, 0.14);
}

.rk-offer.is-best .rk-offer__sum {
  color: var(--blue);
}

.rk-offers__verdict {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

/* ---------- Адаптив ---------- */
@media (min-width: 640px) {
  .rk-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .rk-demo {
    grid-template-columns: 250px minmax(0, 1fr);
    padding: 22px;
  }

  .rk-demo__tools {
    flex-direction: column;
    overflow: visible;
  }

  .rk-demo__stage {
    padding: 22px;
  }

  .rk-demo__pair {
    grid-template-columns: minmax(0, 1fr) 40px minmax(0, 1fr);
    align-items: center;
  }

  .rk-demo__pair .rk-card {
    align-self: stretch;
  }

  .rk-demo__arrow {
    transform: none;
  }

  .rk-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 639px) {
  .rk-demo {
    padding: 12px;
    border-radius: 22px;
  }

  .rk-demo__stage {
    padding: 14px;
  }

  .rk-card {
    padding: 14px;
  }

  .rk-card__text p {
    font-size: 14.5px;
  }

  .rk-seg button small {
    font-size: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .rk-demo__stage.is-swap .rk-card--after {
    animation: none;
  }

  .rk-note__remark {
    transform: none;
  }
}

/* ---------- Лист замечаний руководителя ---------- */
/* ---------- Лист замечаний ---------- */
.zn-board {
  display: grid;
  gap: 18px;
}

.zn-paper {
  position: relative;
  margin: 0;
  padding: 26px 18px 22px 44px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    linear-gradient(90deg, transparent 31px, rgba(220, 38, 38, 0.28) 31px, rgba(220, 38, 38, 0.28) 33px, transparent 33px),
    repeating-linear-gradient(180deg, #fff 0 33px, #e8eef8 33px 34px);
  box-shadow:
    0 28px 60px rgba(15, 23, 42, 0.08),
    0 6px 16px rgba(15, 23, 42, 0.04);
}

.zn-paper__head {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.zn-paper__list {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.zn-remark {
  position: relative;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 14px;
  background: transparent;
  font: inherit;
  text-align: left;
  color: var(--ink-2);
  cursor: pointer;
  transition:
    background-color 0.25s var(--ease),
    border-color 0.25s var(--ease),
    box-shadow 0.25s var(--ease);
}

.zn-remark:hover {
  background: rgba(255, 255, 255, 0.85);
  border-color: var(--line);
}

.zn-remark:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.zn-remark.is-active {
  background: #fff;
  border-color: #bfdbfe;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.12);
}

.zn-remark__n {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1.5px solid #dc2626;
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 800;
  color: #dc2626;
  font-variant-numeric: tabular-nums;
}

.zn-remark.is-active .zn-remark__n {
  background: #dc2626;
  color: #fff;
}

.zn-remark__text {
  display: block;
  font-size: 15.5px;
  font-style: italic;
  line-height: 1.45;
  color: #991b1b;
}

.zn-remark__where {
  display: block;
  margin-top: 2px;
  font-size: 12.5px;
  font-style: normal;
  font-weight: 600;
  color: var(--muted);
}

.zn-fix {
  display: grid;
  align-content: start;
  gap: 16px;
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    radial-gradient(ellipse 70% 55% at 85% 0%, rgba(37, 99, 235, 0.1), transparent 60%),
    linear-gradient(170deg, #f5f8fd 0%, #eaf0f9 100%);
}

.zn-fix[hidden] {
  display: none;
}

.zn-fix__kind {
  justify-self: start;
  margin: 0;
  padding: 5px 10px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}

.zn-fix h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.zn-fix p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-2);
}

.zn-fix__tool {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid #bfdbfe;
  border-radius: 16px;
  background: #fff;
}

.zn-fix__ico {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, #3b82f6 0%, var(--blue) 100%);
  color: #fff;
}

.zn-fix__tool strong {
  display: block;
  font-family: var(--font-display);
  font-size: 14.5px;
  font-weight: 800;
  color: var(--ink);
}

.zn-fix__tool div span {
  display: block;
  font-size: 13.5px;
  color: var(--muted);
}

.zn-fix__tool--hand .zn-fix__ico {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  color: #c2410c;
}

.zn-fix__tool--hand {
  border-color: var(--line);
}

/* ---------- Оглавление и файл ---------- */
.zn-toc {
  margin: 0;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.06);
  font-size: 14.5px;
  color: var(--ink);
}

.zn-toc__h {
  margin: 0 0 12px;
  text-align: center;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.zn-toc ol {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.zn-toc li {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  min-width: 0;
}

.zn-toc li span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.zn-toc li::after {
  content: "";
  order: 1;
  flex: 1 1 24px;
  min-width: 24px;
  border-bottom: 1.5px dotted #94a3b8;
  transform: translateY(-4px);
}

.zn-toc li em {
  order: 2;
  font-style: normal;
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
}

.zn-toc li.is-sub {
  padding-left: 18px;
  color: var(--ink-2);
}

.zn-toc li.is-edited span {
  background: linear-gradient(transparent 60%, rgba(37, 99, 235, 0.18) 60%);
}

.zn-toc__foot {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--muted);
}

@media (min-width: 900px) {
  .zn-board {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 22px;
  }

  .zn-paper {
    padding: 30px 26px 26px 52px;
    background:
      linear-gradient(90deg, transparent 37px, rgba(220, 38, 38, 0.28) 37px, rgba(220, 38, 38, 0.28) 39px, transparent 39px),
      repeating-linear-gradient(180deg, #fff 0 33px, #e8eef8 33px 34px);
  }

  .zn-fix {
    padding: 30px 28px;
  }

  #vkr .wl-split {
    align-items: center;
  }
}

@media (max-width: 639px) {
  .zn-paper {
    padding-left: 38px;
    background:
      linear-gradient(90deg, transparent 25px, rgba(220, 38, 38, 0.28) 25px, rgba(220, 38, 38, 0.28) 27px, transparent 27px),
      repeating-linear-gradient(180deg, #fff 0 33px, #e8eef8 33px 34px);
  }

  .zn-remark {
    padding: 9px 8px;
  }
}