/* ============================================================
   ВНЕШНИЙ ВИД САЙТА
   Цвета заданы переменными и совпадают с сервисом графиков.
   Поменяете переменную — цвет изменится везде.
   ============================================================ */
:root {
  --bg: #f6f5f1;
  --card: #ffffff;
  --tx: #1d1d1b;
  --mut: #6b6a66;
  --bd: #d8d6cf;
  --ac: #185fa5;
  --ac-soft: rgba(24, 95, 165, .10);
  --ok: #2f7d4f;
  --ok-soft: rgba(47, 125, 79, .12);
  --warn: #9a6a00;
  --warn-soft: rgba(176, 122, 0, .12);
  --bad: #a23b2c;
  --bad-soft: rgba(162, 59, 44, .10);
  --shade: rgba(20, 20, 18, .92);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1c1a; --card: #262624; --tx: #ecebe6; --mut: #a09f98; --bd: #3d3d3a;
    --ac: #6aa9e8; --ac-soft: rgba(106, 169, 232, .14); --ok: #6cc28f; --ok-soft: rgba(108, 194, 143, .14);
    --warn: #e0b24f; --warn-soft: rgba(224, 178, 79, .14); --bad: #ec8b7c; --bad-soft: rgba(236, 139, 124, .14);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--tx); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--ac); }
button { font: inherit; }
:focus-visible { outline: 2px solid var(--ac); outline-offset: 2px; }
.wrap { max-width: 68rem; margin: 0 auto; padding: 0 1rem; }
.num { font-variant-numeric: tabular-nums; }

/* ---------- Шапка ---------- */
header.top { border-bottom: 1px solid var(--bd); background: var(--card); position: sticky; top: 0; z-index: 5; }
header.top .wrap { display: flex; align-items: center; gap: 1rem; min-height: 3.5rem; flex-wrap: wrap; }
.logo { font-weight: 700; color: var(--tx); text-decoration: none; font-size: 1.1rem; }
.logo span { color: var(--ac); }
nav.main { margin-left: auto; display: flex; gap: .3rem; }
nav.main a { text-decoration: none; color: var(--tx); padding: .4rem .8rem; border-radius: 999px; }
nav.main a:hover { background: var(--ac-soft); }
nav.main a.on { background: var(--ac); color: #fff; }

/* ---------- Главная ---------- */
.hero { padding: 2.2rem 0 1rem; }
.hero h1 { font-size: clamp(1.6rem, 4vw, 2.3rem); margin: 0 0 .4rem; line-height: 1.2; text-wrap: balance; }
.hero p { color: var(--mut); margin: 0 0 1.2rem; max-width: 42rem; }
.stats { display: flex; flex-wrap: wrap; gap: .4rem 1.4rem; color: var(--mut); font-size: .92rem; margin: 0 0 1.2rem; }
.stats b { color: var(--tx); font-variant-numeric: tabular-nums; }
.search { width: 100%; padding: .75rem 1rem; font: inherit; color: var(--tx); background: var(--card); border: 1px solid var(--bd); border-radius: .7rem; }
.search:focus { outline: 2px solid var(--ac); border-color: transparent; }
.filters { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; margin: 1rem 0 .5rem; }
.chip { border: 1px solid var(--bd); background: var(--card); color: var(--tx); border-radius: 999px; padding: .38rem .9rem; cursor: pointer; }
.chip.on { background: var(--ac); border-color: var(--ac); color: #fff; }
.check { display: inline-flex; align-items: center; gap: .4rem; margin-left: auto; color: var(--mut); font-size: .92rem; cursor: pointer; }

.sem-title { font-size: 1.2rem; margin: 2rem 0 .1rem; }
.sem-sub { color: var(--mut); margin: 0 0 .8rem; font-size: .92rem; }
.group-title { font-size: .85rem; text-transform: uppercase; letter-spacing: .04em; color: var(--mut); margin: 1.2rem 0 .5rem; font-weight: 600; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 17rem), 1fr)); gap: .8rem; }
.lab-card { display: flex; flex-direction: column; gap: .35rem; text-decoration: none; color: var(--tx); background: var(--card); border: 1px solid var(--bd); border-radius: .8rem; padding: .9rem 1rem; transition: border-color .15s, transform .15s; }
.lab-card:hover { border-color: var(--ac); transform: translateY(-2px); }
.lab-num { font-size: .82rem; color: var(--ac); font-weight: 650; }
.lab-card h3 { font-size: 1rem; margin: 0; line-height: 1.3; font-weight: 600; }
.meta { display: flex; flex-wrap: wrap; gap: .3rem; margin-top: auto; padding-top: .3rem; }
.tag { font-size: .78rem; color: var(--mut); border: 1px solid var(--bd); border-radius: 999px; padding: .08rem .55rem; white-space: nowrap; }
.tag.works { color: var(--ok); border-color: transparent; background: var(--ok-soft); }
.tag.old { color: var(--warn); border-color: transparent; background: var(--warn-soft); }
.empty { color: var(--mut); padding: 2rem 0; }

/* ---------- Страница лабы ---------- */
.crumbs { font-size: .9rem; color: var(--mut); margin: 1.4rem 0 .5rem; }
.crumbs a { color: var(--mut); }
.lab-head h1 { font-size: clamp(1.4rem, 3.5vw, 2rem); margin: 0 0 .5rem; line-height: 1.25; text-wrap: balance; }
.lab-head .goal { color: var(--mut); margin: 0 0 .4rem; max-width: 48rem; }
.notice { display: inline-block; font-size: .88rem; color: var(--warn); background: var(--warn-soft); border-radius: .5rem; padding: .3rem .6rem; margin: .3rem 0 0; }
.actions { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); gap: .8rem; margin: 1.2rem 0; }
.act { background: var(--card); border: 1px solid var(--bd); border-radius: .8rem; padding: .9rem 1rem; display: flex; flex-direction: column; gap: .35rem; min-width: 0; }
.act h2 { font-size: 1rem; margin: 0; }
.act p { margin: 0; color: var(--mut); font-size: .9rem; }
.act .row { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: auto; padding-top: .4rem; }
.btn { display: inline-flex; align-items: center; gap: .4rem; text-decoration: none; background: var(--ac); color: #fff; border: 1px solid var(--ac); border-radius: .55rem; padding: .45rem .9rem; font-weight: 600; cursor: pointer; font-size: .92rem; }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--ac); }
.btn.ghost:hover { background: var(--ac-soft); filter: none; }
.btn[disabled] { opacity: .6; cursor: progress; }
.act.off { background: transparent; border-style: dashed; }

.works-head { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1rem; margin: 2rem 0 .8rem; }
.works-head h2 { font-size: 1.25rem; margin: 0; }
.works-head .sum { color: var(--mut); font-size: .92rem; }
.works-head .ctrls { margin-left: auto; display: flex; gap: .5rem; flex-wrap: wrap; }
select { font: inherit; font-size: .92rem; color: var(--tx); background: var(--card); border: 1px solid var(--bd); border-radius: .5rem; padding: .35rem .6rem; max-width: 100%; }
.wgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr)); gap: .8rem; }
.work { background: var(--card); border: 1px solid var(--bd); border-radius: .8rem; overflow: hidden; display: flex; flex-direction: column; min-width: 0; }
.work .cover { position: relative; display: block; aspect-ratio: 4 / 3; background: var(--ac-soft); border: 0; padding: 0; cursor: zoom-in; width: 100%; overflow: hidden; }
.work .cover img { width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; }
.work .cover .count { position: absolute; right: .5rem; bottom: .5rem; background: var(--shade); color: #fff; font-size: .78rem; border-radius: 999px; padding: .1rem .5rem; }
.work .cover .nophoto { position: absolute; inset: 0; display: grid; place-items: center; color: var(--mut); font-size: .9rem; }
.work .body { padding: .7rem .8rem .8rem; display: flex; flex-direction: column; gap: .3rem; flex: 1; }
.work .line { display: flex; align-items: center; gap: .6rem; }
.grade { min-width: 2.3rem; height: 2.3rem; border-radius: .6rem; display: grid; place-items: center; font-weight: 700; font-variant-numeric: tabular-nums; background: var(--ac-soft); color: var(--ac); flex: none; padding: 0 .3rem; }
.grade.hi { background: var(--ok-soft); color: var(--ok); }
.grade.lo { background: var(--bad-soft); color: var(--bad); }
.grade.none { color: var(--mut); background: transparent; border: 1px dashed var(--bd); font-weight: 400; font-size: .8rem; }
.work .who { font-weight: 600; line-height: 1.25; overflow-wrap: break-word; }
.work .when { color: var(--mut); font-size: .85rem; }
.work .row { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: auto; padding-top: .4rem; }
.work .row .btn { padding: .35rem .7rem; font-size: .85rem; }
.work .att { font-size: .85rem; }
.work .att a { overflow-wrap: anywhere; }
.badge-top { font-size: .72rem; color: var(--ok); background: var(--ok-soft); border-radius: 999px; padding: .05rem .45rem; margin-left: auto; white-space: nowrap; }
.more { display: flex; justify-content: center; margin: 1.2rem 0; }
.note { color: var(--mut); font-size: .92rem; margin: 0; }

/* ---------- Просмотр фото ---------- */
.viewer { position: fixed; inset: 0; background: #0d0e10; z-index: 50; display: flex; flex-direction: column; color: #fff; }
.viewer[hidden] { display: none; }
.viewer .bar { display: flex; align-items: center; gap: .6rem; padding: .6rem 1rem; padding-top: calc(.6rem + env(safe-area-inset-top, 0px)); flex-wrap: wrap; }
.viewer .bar .t { font-weight: 600; flex: 1; min-width: 10rem; }
.viewer .bar a, .viewer .bar button { color: #fff; background: rgba(255,255,255,.12); border: 0; border-radius: .5rem; padding: .4rem .7rem; text-decoration: none; cursor: pointer; font-size: .9rem; }
.viewer .bar a:hover, .viewer .bar button:hover { background: rgba(255,255,255,.22); }
.viewer .stage { flex: 1; position: relative; display: flex; align-items: center; justify-content: center; min-height: 0; overflow: auto; }
.viewer .stage img { max-width: 100%; max-height: 100%; object-fit: contain; user-select: none; }
.viewer .stage.zoom { align-items: flex-start; justify-content: flex-start; }
.viewer .stage.zoom img { max-width: none; max-height: none; width: min(1600px, 200%); cursor: zoom-out; }
.viewer .stage img { cursor: zoom-in; }
.viewer .nav { position: absolute; top: 50%; transform: translateY(-50%); width: 3rem; height: 3rem; border-radius: 50%; border: 0; background: rgba(255,255,255,.14); color: #fff; font-size: 1.6rem; cursor: pointer; display: grid; place-items: center; }
.viewer .nav:hover { background: rgba(255,255,255,.26); }
.viewer .prev { left: .8rem; } .viewer .next { right: .8rem; }
.viewer .strip { display: flex; gap: .3rem; padding: .5rem 1rem; padding-bottom: calc(.5rem + env(safe-area-inset-bottom, 0px)); overflow-x: auto; }
.viewer .strip button { flex: none; width: 3.2rem; height: 3.2rem; border: 2px solid transparent; border-radius: .4rem; padding: 0; overflow: hidden; background: #333; cursor: pointer; }
.viewer .strip button.on { border-color: #fff; }
.viewer .strip img { width: 100%; height: 100%; object-fit: cover; }

footer.foot { color: var(--mut); font-size: .85rem; padding: 2.5rem 1rem; }
@media (prefers-reduced-motion: reduce) { .lab-card { transition: none; } .lab-card:hover { transform: none; } }
@media (max-width: 560px) { .viewer .nav { width: 2.5rem; height: 2.5rem; } .viewer .bar .t { min-width: 0; flex-basis: 100%; font-size: .9rem; } .viewer .bar #v-count { margin-right: auto; } .check { margin-left: 0; } }
.work .cover[disabled] { aspect-ratio: auto; height: 3rem; cursor: default; }
@media (max-width: 560px) {
  .wgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem; }
  .work .body { padding: .55rem .6rem .65rem; }
  .work .badge-top { display: none; }
  .work .line { gap: .45rem; }
  .work .row .btn { flex: 1 1 auto; text-align: center; padding: .35rem .4rem; font-size: .8rem; }
}