/* Стиль A «Тёмная карта». Цвета — из SPEC (раздел 5). */
:root {
  --bg: #0b161c;
  --card: #0f1d25;
  --line: #22343d;
  --line-strong: #33464f;
  --ink: #e3edf1;
  --ink-dim: #9fb2bb;
  --mut: #7f939c;
  --land: #2b3a42;
  --land-dim: #1a2830;
  --border-map: #4c5f69;
  --acc: #3fae6e;
  --acc-soft: #8fe0b0;
  --on-acc: #07130d;
  --warn: #e0b04f;
  --bad: #ec7d66;
  --ok: #5cc58a;
  --near: #7fb6e0;
  --r: 14px;
  --gap: 12px;
  --pad: 16px;
  --safe-top: var(--tg-safe-area-inset-top, env(safe-area-inset-top, 0px));
  --safe-bottom: var(--tg-safe-area-inset-bottom, env(safe-area-inset-bottom, 0px));
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body {
  font: 15px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  padding: calc(var(--safe-top) + 12px) var(--pad) calc(var(--safe-bottom) + 20px);
}
#app { max-width: 520px; margin: 0 auto; display: flex; flex-direction: column; gap: var(--gap); }

.top { display: flex; justify-content: space-between; align-items: center; }
.title { font-size: 20px; font-weight: 600; letter-spacing: .2px; }
.streak { display: flex; align-items: center; gap: 6px; color: var(--warn); font-weight: 500; }
.streak svg { width: 18px; height: 18px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 12px; }
.card-head { display: flex; justify-content: space-between; color: var(--mut); font-size: 13px; margin-bottom: 8px; }

.btn {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  width: 100%; border: 1px solid var(--line-strong); background: var(--card); color: var(--ink);
  border-radius: var(--r); padding: 14px 16px; font: inherit; font-weight: 500; cursor: pointer; text-align: left;
  transition: transform .12s var(--ease-out-3, ease), border-color .15s ease;
}
.btn:active { transform: scale(.98); }
.btn:hover { border-color: var(--acc); }
.btn small { display: block; font-weight: 400; font-size: 12px; opacity: .8; margin-top: 2px; }
.btn.primary { background: var(--acc); border-color: var(--acc); color: var(--on-acc); font-size: 17px; }
.btn[aria-disabled="true"] { opacity: .55; cursor: default; }
.btn[aria-disabled="true"]:hover { border-color: var(--line-strong); }
.btn.primary[aria-disabled="true"]:hover { border-color: var(--acc); }

.sections { display: flex; flex-direction: column; gap: 8px; }
.sec { padding: 12px 14px; }
.sec .name { flex: 1; }
.sec .meta { color: var(--mut); font-size: 12px; font-weight: 400; }

.map { width: 100%; display: block; border-radius: 10px; background: var(--card); }
.map .land { stroke: var(--bg); stroke-width: .5; transition: fill .5s ease; }
.legend { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; font-size: 11px; color: var(--mut); }
.legend i { display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin-right: 4px; vertical-align: -1px; }
.bar { height: 5px; border-radius: 3px; background: var(--line); margin-top: 10px; overflow: hidden; }
.bar b { display: block; height: 100%; background: var(--acc); transition: width .7s var(--ease-out-4, ease); }

.error { color: var(--bad); padding: 12px; }
.muted { color: var(--mut); }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* Экраны проверки */
.back { width: 36px; height: 36px; border-radius: 10px; border: 1px solid var(--line-strong); background: var(--card); color: var(--ink); font-size: 22px; line-height: 1; cursor: pointer; }
.top > span:last-child:empty { width: 36px; }
.q { text-align: center; padding: 18px 0 8px; }
.q-name { font-size: 32px; font-weight: 700; margin-top: 4px; letter-spacing: .2px; }
.opts { display: flex; flex-direction: column; gap: 8px; }
.opt {
  border: 1px solid var(--line-strong); background: var(--card); color: var(--ink); border-radius: var(--r);
  padding: 14px 16px; font: inherit; font-size: 16px; cursor: pointer; text-align: left;
  transition: background .2s, border-color .2s, transform .12s;
}
.opt:active:not(:disabled) { transform: scale(.98); }
.opt:disabled { cursor: default; }
.opt.ok { background: rgba(63, 174, 110, .25); border-color: var(--acc); animation: pop .45s ease; }
.opt.no { background: rgba(236, 125, 102, .2); border-color: var(--bad); animation: shake .4s; }
@keyframes pop { 0% { transform: scale(1); } 40% { transform: scale(1.04); } 100% { transform: scale(1); } }
@keyframes shake { 0%, 100% { transform: translateX(0); } 20% { transform: translateX(-6px); } 40% { transform: translateX(6px); } 60% { transform: translateX(-4px); } 80% { transform: translateX(3px); } }

.res-head { text-align: center; padding-top: 4px; }
.res-title { font-size: 20px; font-weight: 700; }
.res-sub { color: var(--ink-dim); margin-top: 2px; }
.fact { margin-bottom: 8px; }
.hint { color: var(--acc-soft); font-size: 14px; }
.note { color: var(--mut); font-size: 12px; margin-top: 8px; border-top: 1px solid var(--line); padding-top: 8px; }
.summary { text-align: center; padding: 24px 12px; }
.sum-num { font-size: 40px; font-weight: 700; }

/* Форматы, столицы и флаги, детали */
.fmt { padding: 14px 16px; }
.fmt .tick { width: 26px; height: 26px; border-radius: 8px; border: 1px solid var(--line-strong); display: grid; place-items: center; color: transparent; flex: none; }
.fmt[aria-checked="true"] { border-color: var(--acc); }
.fmt[aria-checked="true"] .tick { background: var(--acc); border-color: var(--acc); color: var(--on-acc); font-weight: 700; }
.opts.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.opts.grid .opt { text-align: center; padding: 16px 8px; font-size: 15px; }
.flag-big { display: block; width: min(260px, 70%); aspect-ratio: 4 / 3; object-fit: cover; margin: 6px auto 4px; border-radius: 8px; border: 1px solid var(--line-strong); }
.info-row { display: flex; align-items: center; gap: 10px; }
.info-row img { width: 44px; height: 33px; object-fit: cover; border-radius: 4px; border: 1px solid var(--line-strong); }
.ok-box { text-align: center; padding: 22px 12px; }
.ok-box .res-title { font-size: 24px; }

.acc { display: flex; flex-direction: column; gap: 8px; }
.acc-row { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.acc-row.open { border-color: var(--acc); }
.acc-head { display: flex; justify-content: space-between; width: 100%; padding: 12px 14px; background: none; border: 0; color: var(--ink); font: inherit; cursor: pointer; }
.acc-head span:last-child { color: var(--mut); font-size: 12px; }
.chips { display: none; flex-wrap: wrap; gap: 6px; padding: 0 12px 12px; }
.acc-row.open .chips { display: flex; }
.chip { border: 1px solid var(--line-strong); background: var(--bg); color: var(--ink-dim); border-radius: 999px; padding: 6px 12px; font: inherit; font-size: 13px; cursor: pointer; }
.chip.on { background: rgba(63, 174, 110, .2); border-color: var(--acc); color: var(--ink); }
.verdicts { display: flex; flex-direction: column; gap: 6px; font-size: 13px; }
.verdicts .v-ok { color: var(--ok); }
.verdicts .v-bad { color: var(--bad); }
.verdicts .v-truth { color: var(--mut); }

/* Карта знаний: слои и пульс */
.layers { display: flex; gap: 6px; margin-bottom: 10px; flex-wrap: wrap; }
.layer { border: 1px solid var(--line-strong); background: var(--bg); color: var(--ink-dim); border-radius: 999px; padding: 5px 12px; font: inherit; font-size: 12px; cursor: pointer; }
.layer[aria-pressed="true"] { background: rgba(63, 174, 110, .2); border-color: var(--acc); color: var(--ink); }
.map .land { transition: fill .9s var(--ease-out-3, ease); }
.map-pulse { fill: none; stroke: #8fe0b0; stroke-width: 2; opacity: 0; transform-box: fill-box; transform-origin: center; animation: mp 1.1s var(--ease-out-3, ease-out) .35s; }
@keyframes mp { 0% { opacity: .95; transform: scale(1); } 100% { opacity: 0; transform: scale(4); } }

/* Итог раунда */
.ring-wrap { display: flex; align-items: center; justify-content: center; gap: 20px; padding: 6px 0; }
.ring-wrap svg { overflow: visible; }
.ring-wrap .num { fill: var(--ink); font-size: 26px; font-weight: 700; }
.streak-box .label { color: var(--mut); font-size: 12px; }
.streak-big { display: flex; align-items: center; gap: 6px; font-size: 26px; font-weight: 700; color: var(--warn); }
.streak-big svg { width: 26px; height: 26px; }
.streak-big.go svg { animation: flame .9s var(--ease-spring-3, ease); }
@keyframes flame { 0% { transform: scale(1) rotate(0); } 30% { transform: scale(1.6) rotate(-10deg); } 60% { transform: scale(1.25) rotate(8deg); } 100% { transform: scale(1) rotate(0); } }

.card-head { gap: 8px; align-items: center; }
.card-head > span:nth-child(2) { margin-left: auto; }
.link { background: none; border: 0; color: var(--acc-soft); font: inherit; font-size: 12px; cursor: pointer; padding: 0; }
.verdicts .v-mid { color: var(--warn); }
.legend i.gold { box-shadow: inset 0 0 0 1.5px #e8c85a; }

/* Ввод столицы с подсказками */
.ta-input { width: 100%; background: var(--card); color: var(--ink); border: 1px solid var(--line-strong); border-radius: var(--r); padding: 14px 16px; font: inherit; font-size: 18px; outline: none; }
.ta-input:focus { border-color: var(--acc); }
.ta-input.ok { border-color: var(--acc); background: rgba(63, 174, 110, .2); }
.ta-input.no { border-color: var(--bad); background: rgba(236, 125, 102, .2); animation: shake .4s; }
.ta-list { display: flex; flex-direction: column; gap: 6px; }
.ta-item { text-align: left; border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 10px; padding: 11px 14px; font: inherit; cursor: pointer; }
.ta-item:hover, .ta-item:active { border-color: var(--acc); }

/* Показать детали страны (в разборе) */
.cd-wrap { display: flex; flex-direction: column; gap: 10px; }
.quiet { background: none; border: 1px dashed var(--line-strong); color: var(--ink-dim); border-radius: var(--r); padding: 10px; font: inherit; font-size: 14px; cursor: pointer; }
.quiet:hover { border-color: var(--acc); color: var(--ink); }
.country-card[hidden] { display: none; }
.cd-head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.cd-head img { width: 72px; height: 54px; object-fit: cover; border-radius: 6px; border: 1px solid var(--line-strong); }
.cd-name { font-size: 18px; font-weight: 700; }
.cd-sec { padding-top: 8px; border-top: 1px solid var(--line); margin-top: 8px; }
.cd-title { color: var(--mut); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 4px; }
.cd-list { margin: 0; padding-left: 18px; }
.cd-list li { margin: 2px 0; }

/* Атрибут hidden всегда прячет элемент, даже если у него задан display */
[hidden] { display: none !important; }

/* «Столицы» и переключатель ввода — один блок */
.fmt-group { display: flex; flex-direction: column; border: 1px solid var(--line-strong); border-radius: var(--r); background: var(--card); overflow: hidden; }
.fmt-group:has(.fmt[aria-checked="true"]) { border-color: var(--acc); }
.fmt-group .fmt { border: 0; border-radius: 0; background: transparent; }
.fmt-sub { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; background: transparent; border: 0; border-top: 1px solid var(--line); color: var(--ink-dim); padding: 10px 16px 10px 28px; font: inherit; font-size: 14px; text-align: left; cursor: pointer; }
.fmt-sub small { display: block; font-size: 12px; opacity: .8; margin-top: 2px; max-width: 22em; }
.fmt-sub .tick { width: 22px; height: 22px; border-radius: 7px; border: 1px solid var(--line-strong); display: grid; place-items: center; color: transparent; flex: none; }
.fmt-sub[aria-checked="true"] { color: var(--ink); }
.fmt-sub[aria-checked="true"] .tick { background: var(--acc); border-color: var(--acc); color: var(--on-acc); font-weight: 700; }

/* Обучение: уроки и карточки */
.lesson-title { font-size: 22px; font-weight: 700; text-align: center; padding: 2px 0; }
.lesson-text { color: var(--ink-dim); }
.parts { display: flex; flex-direction: column; gap: 10px; }
.part-row { display: flex; gap: 10px; align-items: flex-start; }
.part-row i { width: 12px; height: 12px; border-radius: 4px; flex: none; margin-top: 5px; }
.note-plain { color: var(--mut); font-size: 12px; }
.grp-name { font-weight: 700; margin-bottom: 6px; }
.grp-text { color: var(--ink-dim); font-size: 14px; margin-top: 8px; }
.chips-row { display: flex; flex-wrap: wrap; gap: 6px; }
.country-chip { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line-strong); background: var(--bg); border-radius: 999px; padding: 3px 10px 3px 4px; font-size: 13px; }
.country-chip img { width: 20px; height: 15px; object-fit: cover; border-radius: 3px; }
.hint-card { border-color: rgba(63, 174, 110, .4); }
.intro { border-color: rgba(63, 174, 110, .4); display: flex; flex-direction: column; gap: 8px; }
.intro-actions { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.back-line { color: var(--acc-soft); font-size: 18px; font-weight: 600; }

/* Переворачивающаяся карточка */
.card3d { perspective: 800px; height: 400px; cursor: pointer; outline: none; }
.card3d .in { position: relative; width: 100%; height: 100%; transition: transform .6s var(--ease-out-4, ease); transform-style: preserve-3d; }
.card3d.f .in { transform: rotateY(180deg); }
.card3d .fc { position: absolute; inset: 0; border-radius: 16px; backface-visibility: hidden; -webkit-backface-visibility: hidden; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; border: 1px solid var(--line); background: var(--card); padding: 12px; text-align: center; }
.card3d .fc-back { transform: rotateY(180deg); }
.card3d:focus-visible .fc { border-color: var(--acc); }
.flag-small { width: 96px; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 6px; border: 1px solid var(--line-strong); }
.card3d .fc-back { gap: 6px; }

/* Короткие факты пунктами */
.facts li, .grp-points li { margin: 4px 0; }
.grp-points { margin-top: 10px; color: var(--ink-dim); font-size: 14px; }
.note-list { color: var(--mut); font-size: 12px; margin-top: 10px; border-top: 1px solid var(--line); padding-top: 8px; padding-left: 18px; }
.note-plain.cd-list { padding-left: 18px; }
.card-facts { align-self: stretch; text-align: left; font-size: 13px; color: var(--ink-dim); margin: 4px 6px 0; padding-left: 20px; }
.card3d .fc { overflow: auto; }