:root {
  --фон-ночь: #0c1624;
  --фон-глубина: #13253f;
  --фон-акцент: #20385c;
  --поверхность: #f7f3ec;
  --поверхность-2: #ece5d8;
  --текст: #131920;
  --текст-мягкий: #38414f;
  --рамка: #1f2d41;
  --фокус: #ff8a3d;
  --успех: #1b7a4f;
  --условно: #915f12;
  --исключено: #9f2e2a;
  --радиус: 14px;
  --тень: 0 16px 32px rgba(9, 17, 30, 0.28);
  --ширина: 1240px;
  --переход: 180ms ease;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  color: var(--текст);
  font-family: "PT Sans", "Noto Sans", "Segoe UI", sans-serif;
  line-height: 1.58;
  letter-spacing: 0.01em;
  background:
    radial-gradient(70% 130% at 100% 0%, rgba(255, 138, 61, 0.2), transparent 55%),
    radial-gradient(85% 110% at 0% 100%, rgba(90, 155, 224, 0.24), transparent 60%),
    linear-gradient(135deg, var(--фон-ночь), var(--фон-глубина) 52%, var(--фон-акцент));
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--фокус);
  outline-offset: 2px;
}

main {
  width: min(var(--ширина), 100% - 2rem);
  margin: 0 auto;
  padding: 1.1rem 0 3.2rem;
}

.city-header {
  position: sticky;
  top: 0;
  z-index: 40;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid #2e4562;
  background: rgba(8, 14, 23, 0.92);
  backdrop-filter: blur(8px);
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
}

.city-header__brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-link {
  color: #eef5ff;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand-city {
  border-radius: 999px;
  padding: 0.22rem 0.62rem;
  background: #ff8a3d;
  color: #1a1f27;
  font-weight: 700;
  font-size: 0.85rem;
}

.city-header__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.city-header__nav a {
  color: #d7e6fb;
  font-size: 0.92rem;
}

.city-header__switch {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
}

.city-header__switch a {
  color: #d7e6fb;
}

.city-header__switch .is-active {
  color: #ffb177;
  text-decoration: underline;
}

.breadcrumbs {
  margin: 0.35rem 0 1rem;
  padding: 0.45rem 0.7rem;
  border-radius: 10px;
  background: rgba(247, 243, 236, 0.14);
  color: #d8e6fb;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.88rem;
}

.breadcrumbs a {
  color: #f9cfa5;
}

.breadcrumbs__sep {
  color: #8aa2c1;
}

.page-intro,
.item-passport,
.route-sheet,
.aeo-block,
.mistakes-block,
.switch-card,
.my-pass-shelf,
.contacts-block,
.note-card,
.route-highlighter,
.line-legend,
.map-catalog,
.quiet-search {
  border-radius: var(--радиус);
  border: 2px solid var(--рамка);
  background: var(--поверхность);
  box-shadow: var(--тень);
  margin-bottom: 1rem;
}

.page-intro,
.item-passport,
.route-sheet,
.aeo-block,
.mistakes-block,
.switch-card,
.my-pass-shelf,
.contacts-block,
.note-card,
.map-catalog,
.quiet-search,
.route-highlighter,
.line-legend {
  padding: 1rem 1.05rem;
}

.page-intro h1,
.item-passport h1,
.route-sheet h1,
.my-pass-shelf h1 {
  margin: 0;
  font-size: clamp(1.55rem, 2.2vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.page-intro p,
.route-sheet p,
.item-passport p,
.contacts-block p,
.note-card p {
  color: var(--текст);
}

.page-intro h2,
.aeo-block h2,
.mistakes-block h2,
.route-highlighter h3,
.line-legend h2,
.contacts-block h2,
.my-pass-shelf h2 {
  margin-top: 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 1.24fr) minmax(0, 0.76fr);
  gap: 1rem;
  align-items: start;
}

.transit-map {
  border-radius: var(--радиус);
  border: 2px solid #2e4058;
  background:
    linear-gradient(180deg, #f8f6ef 0%, #ebe6d8 100%);
  box-shadow: var(--тень);
  padding: 1rem;
  min-height: 340px;
  display: grid;
  gap: 0.85rem;
}

.transit-map.is-compact {
  min-height: 260px;
}

.transit-map__lines {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.52rem;
}

.map-line {
  text-align: left;
  border: 2px solid var(--line-color);
  border-radius: 11px;
  background: #fff;
  color: #1a222e;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  padding: 0.65rem 0.78rem;
  transition: transform var(--переход), box-shadow var(--переход), background var(--переход);
}

.map-line:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(18, 31, 48, 0.18);
}

.map-line.is-active {
  background: var(--line-color);
  color: #fff;
}

.transit-map__stations {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
  gap: 0.5rem;
}

.station-node {
  border-radius: 10px;
  border: 1px dashed #30455f;
  background: #fff;
  color: var(--текст);
  font: inherit;
  text-align: left;
  cursor: pointer;
  padding: 0.6rem 0.65rem;
}

.station-node__title {
  display: block;
  font-weight: 700;
}

.station-node__note {
  display: block;
  color: var(--текст-мягкий);
  font-size: 0.86rem;
}

.station-node.is-active {
  border-style: solid;
  border-color: #ff8a3d;
  background: #fff1e5;
}

.route-highlighter p {
  margin-bottom: 0;
  color: var(--текст);
}

.line-legend ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.line-legend li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem;
  align-items: center;
}

.line-legend small {
  grid-column: 2;
  color: var(--текст-мягкий, #3e4756);
}

.line-dot {
  width: 0.88rem;
  height: 0.88rem;
  border-radius: 99px;
  background: var(--line-color);
  box-shadow: 0 0 0 2px #fff;
}

.status-legend {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.status-ok,
.status-conditional,
.status-not-free {
  border-radius: 999px;
  padding: 0.2rem 0.58rem;
  font-size: 0.82rem;
  font-weight: 700;
  border: 1px solid currentColor;
}

.status-ok {
  color: var(--успех);
  background: #e6f5ed;
}

.status-conditional {
  color: var(--условно);
  background: #fff2de;
}

.status-not-free {
  color: var(--исключено);
  background: #ffe6e5;
}

.quiet-search label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.quiet-search input {
  width: 100%;
  border-radius: 10px;
  border: 2px solid #385070;
  padding: 0.7rem 0.8rem;
  font: inherit;
  color: var(--текст);
  background: #fff;
}

.quiet-search__results {
  margin-top: 0.8rem;
  display: grid;
  gap: 0.45rem;
}

.search-result {
  border-radius: 10px;
  border: 1px solid #344c6a;
  background: #fff;
  padding: 0.6rem;
}

.search-result strong {
  display: inline-block;
  margin-right: 0.45rem;
}

.search-result__actions {
  margin-top: 0.38rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.search-result__actions a {
  color: #1b588f;
  font-weight: 700;
}

.item-passport dl,
.route-sheet__meta {
  margin-top: 0.8rem;
  display: grid;
  gap: 0.52rem;
}

.item-passport dl div,
.route-sheet__meta span {
  border-radius: 10px;
  border: 1px solid #b3bfd0;
  background: #fff;
  padding: 0.48rem 0.62rem;
}

.item-passport dt {
  color: var(--текст-мягкий);
  font-size: 0.83rem;
}

.item-passport dd {
  margin: 0.15rem 0 0;
}

.aeo-block h3 {
  margin: 0.3rem 0;
  font-size: 1.01rem;
}

.aeo-block ol,
.aeo-block ul,
.mistakes-block ul,
.switch-card ul,
.link-list,
.my-pass-shelf ul {
  margin: 0;
  padding-left: 1.08rem;
  display: grid;
  gap: 0.35rem;
}

.link-list {
  margin-bottom: 0.25rem;
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 1rem;
  align-items: start;
}

aside .line-legend,
aside .route-highlighter {
  position: sticky;
  top: 82px;
}

.switches-grid,
.notes-grid,
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.8rem;
}

.switch-card h3,
.note-card h3 {
  margin-top: 0;
}

.my-pass-shelf__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.8rem;
}

button,
.button-link {
  border-radius: 10px;
  border: 2px solid #202d40;
  background: #1f3450;
  color: #fff;
  font: inherit;
  font-weight: 700;
  padding: 0.52rem 0.82rem;
  cursor: pointer;
  transition: transform var(--переход), background var(--переход);
}

button:hover,
.button-link:hover {
  background: #274162;
  transform: translateY(-1px);
  text-decoration: none;
}

.button-link {
  display: inline-block;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.8rem;
}

.filter-chip {
  border-radius: 999px;
  border: 1px solid #364a66;
  background: #fff;
  color: #1f2a38;
  padding: 0.26rem 0.68rem;
}

.filter-chip.active {
  border-color: #ff8a3d;
  background: #fff1e4;
}

.map-catalog table {
  width: 100%;
  border-collapse: collapse;
}

.map-catalog th,
.map-catalog td {
  text-align: left;
  vertical-align: top;
  padding: 0.42rem;
  border-bottom: 1px solid #bac5d4;
}

.site-footer {
  width: min(var(--ширина), 100% - 2rem);
  margin: 0 auto 2rem;
  color: #dde9f9;
  font-size: 0.93rem;
}

.site-footer p {
  margin: 0.36rem 0;
}

.site-footer a {
  color: #ffd4aa;
}

.not-found {
  min-height: 44vh;
  display: grid;
  place-content: center;
  text-align: center;
}

.reduce-motion *,
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 1080px) {
  .page-grid,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  aside .line-legend,
  aside .route-highlighter {
    position: static;
  }
}

@media (max-width: 860px) {
  .city-header {
    grid-template-columns: 1fr;
    gap: 0.62rem;
  }

  .city-header__nav {
    justify-content: flex-start;
  }

  .breadcrumbs {
    font-size: 0.84rem;
  }
}