@font-face {
  font-family: "Manrope";
  src: url("./public/fonts/manrope-regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Manrope";
  src: url("./public/fonts/manrope-semibold.ttf") format("truetype");
  font-weight: 600 700;
  font-display: swap;
}

@font-face {
  font-family: "Manrope";
  src: url("./public/fonts/manrope-bold.ttf") format("truetype");
  font-weight: 800;
  font-display: swap;
}

:root { color: #101010; background: #f5f5f5; font-family: "Manrope", Arial, sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: #f5f5f5; }
button, a { font: inherit; }
a { color: inherit; }
.topbar { position: sticky; top: 0; z-index: 20; height: 50px; display: flex; align-items: center; justify-content: space-between; padding: 0 22px; background: #fff; border-bottom: 1px solid #d9d9d9; }
.brand { font-size: 16px; font-weight: 800; text-decoration: none; letter-spacing: -.04em; }
.app-shell { min-height: calc(100vh - 50px); display: grid; grid-template-columns: 240px minmax(0, 1fr); }
.sidebar { position: sticky; top: 50px; height: calc(100vh - 50px); display: flex; flex-direction: column; padding: 19px 0; background: #fff; border-right: 1px solid #d9d9d9; }
.direction-list { display: grid; gap: 1px; }
.direction-filter { width: 100%; display: flex; align-items: center; gap: 9px; min-height: 40px; padding: 8px 20px; color: #777; text-align: left; background: transparent; border: 0; cursor: pointer; font-size: 14px; }
.direction-filter i { width: 16px; text-align: center; color: #bdbdbd; }
.direction-filter:hover, .direction-filter.is-active { color: #161616; background: #f5f5f5; }
.direction-filter.is-active i { color: #242424; }
.back-home { margin: auto 16px 0; padding: 13px 12px; border: 1px solid #cfcfcf; border-radius: 15px; text-align: center; text-decoration: none; color: #888; font-size: 12px; font-weight: 700; }
.content { min-width: 0; padding: 25px 30px 64px; }
.screen { max-width: 1590px; }
h1 { margin: 0 0 22px; font-size: 26px; line-height: 1.15; letter-spacing: -.055em; font-weight: 800; }
h2 { margin: 0; font-size: 17px; line-height: 1.28; letter-spacing: -.04em; font-weight: 800; }
p { margin: 0; color: #5f5f5f; line-height: 1.36; }
.book-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 11px; }
.book-card { min-height: 185px; display: flex; flex-direction: column; gap: 8px; padding: 19px 20px 14px; text-decoration: none; background: #fff; border-radius: 15px; box-shadow: 0 3px 11px rgba(0, 0, 0, .035); transition: transform .15s ease, box-shadow .15s ease; }
.book-card:hover, .book-card:focus-visible { transform: translateY(-2px); box-shadow: 0 6px 17px rgba(0, 0, 0, .08); outline: none; }
.book-card p { font-size: 14px; }
.book-author { color: #999; font-size: 11px; line-height: 1.25; }
.book-badges { display: flex; align-items: center; gap: 4px; min-height: 15px; margin-top: auto; }
.book-badges img { width: auto; height: 15px; object-fit: contain; object-position: left center; }
.yandex-filter { position: sticky; top: 62px; z-index: 10; display: inline-flex; align-items: center; gap: 6px; padding: 9px 12px; color: #555; background: #fff; border-radius: 12px; font-size: 13px; white-space: nowrap; }
.card-footer { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: auto; color: #aaa; font-size: 11px; }
.card-direction { display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.collection-card { min-height: 180px; }
.heading-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 18px; }
.heading-row h1 { margin-bottom: 0; }
.breadcrumb { display: inline-block; margin: 0 0 10px; color: #666; font-size: 13px; text-decoration: none; }
.breadcrumb:hover { color: #111; }
.cluster-filters { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; max-width: 720px; }
.cluster-filter { padding: 8px 11px; border: 0; background: #dedede; color: #777; cursor: pointer; font-size: 11px; font-weight: 700; }
.cluster-filter.is-active, .cluster-filter:hover { color: #531df3; background: #eee5ff; }
.context-link { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 18px; color: #575757; font-size: 13px; text-decoration: none; }
.context-link:hover { color: #531df3; }
.timeline { position: relative; max-width: 1160px; padding-left: 72px; }
.timeline::before { position: absolute; top: 18px; bottom: 18px; left: 0; width: 1px; background: #d4d4d4; content: ""; }
.timeline-item { position: relative; display: grid; grid-template-columns: 72px minmax(0, 1fr); margin-bottom: 27px; }
.timeline-item::before { position: absolute; top: 73px; left: -5px; width: 9px; height: 9px; border-radius: 50%; background: #c8c8c8; content: ""; }
.river-date { padding: 65px 12px 0 0; color: #651dff; font-size: 15px; font-weight: 800; letter-spacing: -.04em; }
.river-card { min-height: 150px; padding: 17px 21px; background: #fff; border-radius: 15px; }
.river-card p { margin-top: 5px; font-size: 14px; }
.materials { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.material-link, .material-label { display: inline-flex; align-items: center; gap: 8px; min-height: 35px; padding: 7px 12px; color: #474747; background: #f2f2f2; border-radius: 14px; font-size: 13px; text-decoration: none; }
.material-link:hover { background: #eee5ff; color: #531df3; }
.message-screen { max-width: 510px; padding: 68px 20px; }
.message-screen p { margin-bottom: 20px; }
.reset-link { display: inline-flex; padding: 10px 14px; border-radius: 12px; background: #fff; text-decoration: none; font-size: 13px; font-weight: 700; box-shadow: 0 3px 11px rgba(0, 0, 0, .04); }
.mobile-filter, .mobile-directions { display: none; }
.mobile-directions[hidden] { display: none; }

@media (max-width: 1120px) {
  .book-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .heading-row { display: block; }
  .cluster-filters { justify-content: flex-start; margin-top: 15px; max-width: none; }
}

@media (max-width: 760px) {
  .topbar { height: 54px; padding: 0 18px; }
  .mobile-filter { display: inline-flex; align-items: center; gap: 7px; padding: 7px 0; color: #555; background: transparent; border: 0; font-size: 12px; font-weight: 700; cursor: pointer; }
  .mobile-directions { display: block; padding: 8px 0; background: #fff; border-bottom: 1px solid #ddd; }
  .mobile-directions .direction-filter { min-height: 34px; padding: 6px 18px; }
  .app-shell { display: grid; grid-template-columns: 1fr; min-height: calc(100vh - 54px); }
  .sidebar { display: none; }
  .content { padding: 22px 18px 45px; }
  h1 { font-size: 23px; }
  .book-grid { grid-template-columns: 1fr; gap: 10px; }
  .book-card { min-height: 138px; }
  .cluster-filters { display: grid; grid-template-columns: 1fr; }
  .cluster-filter { text-align: left; }
  .timeline { padding-left: 42px; }
  .timeline-item { grid-template-columns: 0 minmax(0, 1fr); }
  .timeline-item::before { top: 23px; left: -46px; }
  .river-date { position: absolute; top: 8px; left: -42px; width: 34px; padding: 0; font-size: 10px; overflow-wrap: anywhere; }
  .river-card { min-height: 0; padding: 16px; }
  .river-card h2 { font-size: 16px; }
}