/* ============================================================
   KX FEATURES — Quiz + Cheatsheet
   Depends on: styles.css (tokens), period.css (era accent --rus-gold)
   All classes prefixed .kx- to avoid collisions.
   Accent per era inherits from body.<era> { --rus-gold } ;
   falls back to --lime on pages without an era accent (index).
   ============================================================ */

:root {
  --kx-accent: var(--rus-gold, var(--lime));
  --kx-ok: #46c89a;
  --kx-bad: #e8554e;
}

/* ============================================================
   1 · QUIZ
   ============================================================ */
.kx-quiz {
  padding: var(--section-pad, 96px) 0;
  border-top: 1px solid var(--hairline);
  position: relative;
}
.kx-quiz-head {
  margin-bottom: 40px;
}
.kx-quiz-head .t-kicker {
  color: var(--kx-accent);
}
.kx-quiz-head h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 3.4vw, 48px);
  letter-spacing: -0.02em;
  line-height: 1.02;
  margin: 8px 0 0;
}
.kx-quiz-head h3 .em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  text-transform: none;
  color: var(--kx-accent);
}

.kx-quiz-card {
  max-width: 760px;
  border: 1px solid var(--hairline-strong);
  border-radius: 12px;
  background: var(--bg-elevated);
  padding: 36px;
  position: relative;
}

/* progress dots + counter */
.kx-q-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}
.kx-q-count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.kx-q-dots {
  display: flex;
  gap: 7px;
}
.kx-q-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--hairline-strong);
  transition: background 0.25s, transform 0.25s;
}
.kx-q-dots span.done { background: var(--ink-muted); }
.kx-q-dots span.active { background: var(--kx-accent); transform: scale(1.35); }

.kx-q-text {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(19px, 2vw, 24px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  margin: 0 0 26px;
}

.kx-q-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.kx-opt {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  text-align: left;
  font: inherit;
  color: var(--ink);
  background: var(--bg-card);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 16px 18px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.1s;
}
.kx-opt:hover:not(:disabled) {
  border-color: var(--kx-accent);
  transform: translateX(2px);
}
.kx-opt:focus-visible {
  outline: 2px solid var(--kx-accent);
  outline-offset: 2px;
}
.kx-opt:disabled { cursor: default; }
.kx-opt .kx-opt-letter {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--hairline-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-muted);
  transition: all 0.2s;
}
.kx-opt .kx-opt-body { font-size: 16px; line-height: 1.4; }

/* answered states */
.kx-opt.is-correct {
  border-color: var(--kx-ok);
  background: rgba(70, 200, 154, 0.12);
}
.kx-opt.is-correct .kx-opt-letter {
  background: var(--kx-ok);
  border-color: var(--kx-ok);
  color: #0a0a0a;
}
.kx-opt.is-wrong {
  border-color: var(--kx-bad);
  background: rgba(232, 85, 78, 0.12);
}
.kx-opt.is-wrong .kx-opt-letter {
  background: var(--kx-bad);
  border-color: var(--kx-bad);
  color: #0a0a0a;
}
.kx-opt.is-dim { opacity: 0.45; }

/* explanation */
.kx-explain {
  margin-top: 22px;
  padding: 18px 20px;
  border-left: 2px solid var(--kx-accent);
  background: var(--bg-card);
  border-radius: 0 8px 8px 0;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-muted);
}
.kx-explain b { color: var(--ink); font-weight: 600; }
.kx-explain .kx-verdict {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.kx-explain .kx-verdict.ok { color: var(--kx-ok); }
.kx-explain .kx-verdict.bad { color: var(--kx-bad); }

.kx-q-foot {
  margin-top: 26px;
  display: flex;
  justify-content: flex-end;
}
.kx-btn {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.01em;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1px solid var(--kx-accent);
  background: var(--kx-accent);
  color: #0a0a0a;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
}
.kx-btn:hover { opacity: 0.88; transform: translateY(-1px); }
.kx-btn:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.kx-btn.ghost {
  background: transparent;
  color: var(--kx-accent);
}
.kx-btn[hidden] { display: none; }

/* result screen */
.kx-result { text-align: center; padding: 20px 0; }
.kx-result .kx-score {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(48px, 8vw, 96px);
  line-height: 0.9;
  letter-spacing: -0.03em;
}
.kx-result .kx-score .of { color: var(--ink-dim); }
.kx-result .kx-phrase {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(20px, 2.4vw, 30px);
  color: var(--kx-accent);
  margin: 18px 0 8px;
}
.kx-result .kx-sub {
  font-size: 15px;
  color: var(--ink-muted);
  margin: 0 0 30px;
}
.kx-result .kx-again { display: inline-flex; }

/* ============================================================
   2 · CHEATSHEET OVERLAY
   ============================================================ */
.kx-cheat-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  padding: 8px 16px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}
.kx-cheat-btn::before {
  content: "▤ ";
  color: var(--kx-accent);
}
.kx-cheat-btn:hover {
  border-color: var(--kx-accent);
  color: var(--kx-accent);
}
.kx-cheat-btn:focus-visible { outline: 2px solid var(--kx-accent); outline-offset: 2px; }

body.kx-locked { overflow: hidden; }

.kx-cheat {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: var(--bg);
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.kx-cheat.open { display: block; opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  .kx-cheat { transition: none; }
}

.kx-cheat-bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(16px, 4vw, 48px);
  border-bottom: 1px solid var(--hairline);
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(8px);
  z-index: 4;
}
.kx-cheat-bar .kx-cheat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.kx-cheat-bar .kx-cheat-label b { color: var(--kx-accent); font-weight: 500; }
.kx-cheat-close {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--hairline-strong);
  background: transparent;
  color: var(--ink);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: all 0.2s;
}
.kx-cheat-close:hover { border-color: var(--kx-accent); color: var(--kx-accent); }
.kx-cheat-close:focus-visible { outline: 2px solid var(--kx-accent); outline-offset: 2px; }

.kx-cheat-stage {
  position: absolute;
  inset: 64px 0 88px;
  overflow-y: auto;
  display: flex;
  align-items: center;
}
.kx-cheat-screen {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px clamp(16px, 4vw, 48px);
  --kx-accent: var(--kx-screen-accent, var(--lime));
}
.kx-cheat-screen .kx-cs-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--kx-accent);
  margin-bottom: 14px;
}
.kx-cheat-screen .kx-cs-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6vw, 76px);
  text-transform: uppercase;
  letter-spacing: -0.03em;
  line-height: 0.92;
  margin: 0 0 6px;
}
.kx-cheat-screen .kx-cs-title .em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  text-transform: none;
  color: var(--kx-accent);
}
.kx-cheat-screen .kx-cs-years {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(18px, 2.2vw, 26px);
  color: var(--ink-muted);
  margin-bottom: 36px;
}

.kx-cs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.kx-cs-block h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 16px;
  font-weight: 400;
}
.kx-cs-names {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.kx-cs-names span {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  padding: 7px 14px;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  background: var(--bg-elevated);
}
.kx-cs-theses {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: th;
}
.kx-cs-theses li {
  position: relative;
  padding: 0 0 16px 30px;
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  counter-increment: th;
}
.kx-cs-theses li::before {
  content: counter(th);
  position: absolute;
  left: 0; top: 1px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--kx-accent);
}
.kx-cs-work {
  margin-top: 24px;
  grid-column: 1 / -1;
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
}
.kx-cs-work .kx-cs-work-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--kx-accent);
  margin-bottom: 10px;
}
.kx-cs-work .kx-cs-work-title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1.2;
}
.kx-cs-work .kx-cs-work-meta {
  font-size: 14px;
  color: var(--ink-muted);
  margin-top: 6px;
}

/* footer nav: dots + arrows */
.kx-cheat-foot {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  border-top: 1px solid var(--hairline);
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(8px);
}
.kx-cheat-arrow {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--hairline-strong);
  background: transparent;
  color: var(--ink);
  font-size: 18px;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}
.kx-cheat-arrow:hover:not(:disabled) { border-color: var(--kx-accent); color: var(--kx-accent); }
.kx-cheat-arrow:disabled { opacity: 0.3; cursor: default; }
.kx-cheat-arrow:focus-visible { outline: 2px solid var(--kx-accent); outline-offset: 2px; }
.kx-cheat-indic {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 60vw;
}
.kx-cheat-indic button {
  width: 9px; height: 9px;
  padding: 0;
  border-radius: 50%;
  border: none;
  background: var(--hairline-strong);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.kx-cheat-indic button:hover { background: var(--ink-muted); }
.kx-cheat-indic button.active { background: var(--kx-accent); transform: scale(1.4); }
.kx-cheat-indic button:focus-visible { outline: 2px solid var(--kx-accent); outline-offset: 3px; }

@media (max-width: 720px) {
  .kx-cs-grid { grid-template-columns: 1fr; gap: 28px; }
  .kx-cheat-stage { inset: 56px 0 80px; align-items: flex-start; }
  .kx-cheat-bar { height: 56px; }
  .kx-cheat-indic { max-width: 50vw; }
  .kx-cheat-indic button { width: 8px; height: 8px; }
  .kx-quiz-card { padding: 24px; }
}

/* ============================================================
   3 · GLOSSARY — inline terms + popover
   ============================================================ */
.kx-term {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  cursor: help;
  border-bottom: 1px dashed var(--kx-accent);
  transition: color 0.2s, border-color 0.2s;
}
.kx-term:hover,
.kx-term[aria-expanded="true"] {
  color: var(--kx-accent);
}
.kx-term:focus-visible { outline: 2px solid var(--kx-accent); outline-offset: 2px; }

.kx-pop {
  position: fixed;
  z-index: 320;
  background: var(--bg-elevated);
  border: 1px solid var(--hairline-strong);
  border-radius: 10px;
  padding: 18px 20px;
  box-shadow: 0 18px 50px -16px rgba(0,0,0,0.7);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}
.kx-pop.open { opacity: 1; transform: translateY(0); }
.kx-pop[hidden] { display: none; }
.kx-pop-term {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.kx-pop-short {
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-muted);
  margin-bottom: 12px;
}
.kx-pop-era {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kx-accent);
}
.kx-pop-era:hover { text-decoration: underline; }

/* ============================================================
   4 · UTILITY PAGES (glossary.html, cards.html)
   ============================================================ */
.kx-page-hero {
  padding: 120px 0 40px;
  border-bottom: 1px solid var(--hairline);
}
.kx-page-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 20px;
}
.kx-page-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 6.5vw, 92px);
  text-transform: uppercase;
  letter-spacing: -0.03em;
  line-height: 0.94;
  margin: 0 0 24px;
}
.kx-page-hero h1 .serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  text-transform: none;
  color: var(--lime);
}
.kx-page-lead {
  font-size: 19px;
  line-height: 1.5;
  color: var(--ink-muted);
  max-width: 640px;
  margin: 0;
}

/* ---- glossary list ---- */
.kx-gl-controls { padding: 32px 0 8px; position: sticky; top: 57px; background: rgba(10,10,10,0.92); backdrop-filter: blur(10px); z-index: 20; }
.kx-gl-search input {
  width: 100%;
  max-width: 520px;
  font: inherit;
  font-size: 16px;
  color: var(--ink);
  background: var(--bg-card);
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  padding: 13px 22px;
  outline: none;
}
.kx-gl-search input:focus { border-color: var(--lime); }
.kx-gl-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.kx-gl-chip {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  background: transparent;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  padding: 7px 14px;
  cursor: pointer;
  transition: all 0.2s;
}
.kx-gl-chip:hover { color: var(--ink); border-color: var(--ink-muted); }
.kx-gl-chip.active { background: var(--lime); color: #0a0a0a; border-color: var(--lime); }
.kx-gl-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
  padding: 32px 0 96px;
}
.kx-gl-item {
  border: 1px solid var(--hairline);
  border-radius: 10px;
  background: var(--bg-elevated);
  padding: 22px;
  transition: border-color 0.2s, transform 0.2s;
}
.kx-gl-item:hover { border-color: var(--hairline-strong); transform: translateY(-2px); }
.kx-gl-term {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}
.kx-gl-short { font-size: 14px; line-height: 1.55; color: var(--ink-muted); margin-bottom: 14px; }
.kx-gl-era {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lime);
}
.kx-gl-era:hover { text-decoration: underline; }
.kx-gl-empty { padding: 40px 0 96px; color: var(--ink-muted); font-family: var(--font-serif); font-style: italic; font-size: 20px; }

/* ============================================================
   5 · FLASHCARDS (cards.html) + train button
   ============================================================ */
.kx-quiz-train { margin-top: 22px; }

/* setup */
.kx-fc-setup { padding: 40px 0 96px; max-width: 640px; display: flex; flex-direction: column; gap: 32px; }
.kx-fc-field { display: flex; flex-direction: column; gap: 14px; }
.kx-fc-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.kx-fc-select {
  font: inherit;
  font-size: 16px;
  color: var(--ink);
  background: var(--bg-card);
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  padding: 12px 16px;
  max-width: 420px;
}
.kx-fc-checks { display: flex; flex-direction: column; gap: 10px; }
.kx-fc-check { display: flex; align-items: center; gap: 10px; cursor: pointer; font-size: 15px; }
.kx-fc-check input { width: 16px; height: 16px; accent-color: var(--lime); }
.kx-fc-count { font-family: var(--font-mono); font-size: 12px; color: var(--ink-muted); margin-left: 14px; }

/* training stage */
.kx-fc-stage { padding: 40px 0 96px; max-width: 640px; }
.kx-fc-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.kx-fc-progress { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-muted); }
.kx-fc-hint { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--lime); }

.kx-fc-card {
  perspective: 1400px;
  cursor: pointer;
  outline: none;
}
.kx-fc-card:focus-visible { outline: 2px solid var(--lime); outline-offset: 4px; border-radius: 14px; }
.kx-fc-inner {
  position: relative;
  width: 100%;
  min-height: 280px;
  transition: transform 0.5s cubic-bezier(0.4,0.0,0.2,1);
  transform-style: preserve-3d;
}
.kx-fc-card.flipped .kx-fc-inner { transform: rotateY(180deg); }
.kx-fc-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 18px;
  padding: 40px;
  border: 1px solid var(--hairline-strong);
  border-radius: 14px;
  background: var(--bg-elevated);
}
.kx-fc-back { transform: rotateY(180deg); background: var(--bg-card); border-color: var(--lime); }
.kx-fc-text {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(20px, 2.6vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.kx-fc-back .kx-fc-text { font-family: var(--font-serif); font-style: italic; font-weight: 400; }
.kx-fc-flip-hint { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-dim); }
.kx-fc-eralink { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--lime); }
.kx-fc-eralink:hover { text-decoration: underline; }

/* reduced-motion / no-3d fallback */
.kx-fc-card.no3d .kx-fc-inner { transition: none; transform: none !important; }
.kx-fc-card.no3d .kx-fc-face { position: relative; backface-visibility: visible; -webkit-backface-visibility: visible; }
.kx-fc-card.no3d .kx-fc-back { transform: none; display: none; }
.kx-fc-card.no3d.flipped .kx-fc-front { display: none; }
.kx-fc-card.no3d.flipped .kx-fc-back { display: flex; }

.kx-fc-actions { margin-top: 24px; display: flex; gap: 14px; justify-content: center; }
.kx-fc-result { text-align: center; padding: 48px 0 96px; }
.kx-fc-result-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 28px; }

@media (max-width: 600px) {
  .kx-fc-inner { min-height: 240px; }
  .kx-fc-face { padding: 28px; }
  .kx-gl-list { grid-template-columns: 1fr; }
}

/* ============================================================
   6 · COMPACT ERA NAV (in longread hero header)
   ============================================================ */
.kx-eranav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.kx-eranav-pos { color: var(--ink); }
.kx-eranav-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--hairline-strong);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}
.kx-eranav-arrow:hover { border-color: var(--rus-gold, var(--lime)); color: var(--rus-gold, var(--lime)); }
.kx-eranav-arrow.is-off { opacity: 0.28; pointer-events: none; }
.kx-eranav-arrow:focus-visible { outline: 2px solid var(--rus-gold, var(--lime)); outline-offset: 2px; }

/* ============================================================
   7 · GAMIFICATION
   ============================================================ */
:root { --kx-accent: var(--rus-gold, var(--lime)); }

/* ---- header HUD ---- */
.kx-hud {
  display: flex; align-items: center; gap: 9px;
  padding: 6px 11px; border: 1px solid var(--hairline-strong);
  border-radius: 999px; text-decoration: none; color: var(--ink);
  font-family: var(--font-mono); font-size: 11px; transition: border-color .2s;
  flex-shrink: 0; white-space: nowrap;
}
.kx-hud:hover { border-color: var(--kx-accent); }
.kx-hud-frag { color: var(--kx-accent); font-weight: 500; letter-spacing: .04em; }
.kx-hud-mid { display: flex; flex-direction: column; gap: 3px; min-width: 84px; }
.kx-hud-title { font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-muted); white-space: nowrap; }
.kx-hud-bar { height: 3px; background: var(--hairline-strong); border-radius: 2px; overflow: hidden; }
.kx-hud-bar i { display: block; height: 100%; background: var(--kx-accent); }
.kx-hud-pts { color: var(--ink); font-weight: 500; }
@media (max-width: 920px) { .kx-hud { display: none; } }

/* ---- home code panel ---- */
.kx-codepanel { padding: var(--section-pad, 96px) 0; border-top: 1px solid var(--hairline); }
.kx-cp-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; margin-bottom: 32px; }
.kx-cp-kicker { font-family: var(--font-mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--lime); margin-bottom: 12px; }
.kx-cp-head h2 { font-family: var(--font-display); font-weight: 800; font-size: clamp(28px,4vw,56px); letter-spacing: -.02em; margin: 0; }
.kx-cp-head h2 .lime { color: var(--lime); }
.kx-cp-meta { text-align: right; }
.kx-cp-level { font-family: var(--font-display); font-weight: 700; font-size: 18px; }
.kx-cp-pts { font-family: var(--font-mono); font-size: 12px; color: var(--ink-muted); }
.kx-cp-invite { font-size: 17px; line-height: 1.55; color: var(--ink-muted); max-width: 640px; margin: 0 0 28px; }
.kx-cp-invite a { color: var(--lime); }
.kx-mosaic { display: grid; grid-template-columns: repeat(9, 1fr); gap: 12px; }
.kx-cell { position: relative; aspect-ratio: 1; border-radius: 10px; border: 1px solid var(--hairline); background: var(--bg-card); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: transform .2s, border-color .2s; color: var(--ink-dim); }
.kx-cell:hover { transform: translateY(-3px); border-color: var(--hairline-strong); }
.kx-cell.on { border-color: var(--cell); color: var(--cell); background: color-mix(in srgb, var(--cell) 10%, var(--bg-card)); }
.kx-cell.on:hover { border-color: var(--cell); }
.kx-cell-svg { width: 56%; height: 56%; display: flex; align-items: center; justify-content: center; }
.kx-cell-svg svg { width: 100%; height: 100%; }
.kx-cell-q { font-family: var(--font-display); font-weight: 800; font-size: 26px; color: var(--ink-dim); }
.kx-cell-n { position: absolute; bottom: 6px; right: 8px; font-family: var(--font-mono); font-size: 10px; color: var(--ink-dim); }
.kx-cell.on .kx-cell-n { color: var(--cell); }
.kx-cp-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--hairline); }
.kx-cp-stat { font-family: var(--font-mono); font-size: 12px; color: var(--ink-muted); }
.kx-cp-stat b { color: var(--ink); font-size: 16px; }
.kx-cp-stat.dim { color: var(--ink-dim); }
@media (max-width: 760px) { .kx-mosaic { grid-template-columns: repeat(3, 1fr); } }

/* ---- cell info / modal ---- */
.kx-modal { position: fixed; inset: 0; z-index: 340; background: rgba(10,10,10,.82); display: none; opacity: 0; transition: opacity .25s; overflow-y: auto; }
.kx-modal.open { display: flex; opacity: 1; align-items: center; justify-content: center; }
.kx-modal-inner { position: relative; width: min(620px, 92vw); margin: 40px auto; background: var(--bg-elevated); border: 1px solid var(--hairline-strong); border-radius: 14px; padding: 36px; }
.kx-modal-close { position: absolute; top: 14px; right: 14px; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--hairline-strong); background: transparent; color: var(--ink); font-size: 20px; cursor: pointer; }
.kx-modal-close:hover { border-color: var(--lime); color: var(--lime); }
.kx-cellinfo { text-align: center; }
.kx-cellinfo-svg { width: 80px; height: 80px; margin: 0 auto 14px; color: var(--cell, var(--lime)); }
.kx-cellinfo-svg svg { width: 100%; height: 100%; }
.kx-cellinfo-num { font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--cell, var(--lime)); margin-bottom: 6px; }
.kx-cellinfo h3 { font-family: var(--font-display); font-weight: 700; font-size: 24px; margin: 0 0 14px; }
.kx-cellinfo p { color: var(--ink-muted); line-height: 1.55; margin: 0 0 18px; }
.kx-cellinfo-todo { margin-bottom: 8px !important; }
.kx-cellinfo-steps { list-style: none; padding: 0; margin: 0 0 20px; text-align: left; display: inline-block; }
.kx-cellinfo-steps li { padding: 6px 0 6px 28px; position: relative; color: var(--ink-muted); }
.kx-cellinfo-steps li::before { content: '○'; position: absolute; left: 6px; color: var(--ink-dim); }
.kx-cellinfo-steps li.done { color: var(--ink); }
.kx-cellinfo-steps li.done::before { content: '✓'; color: var(--kx-ok); }

/* ---- longread fragment status ---- */
.kx-fragstatus { padding: 40px 0; }
.kx-fs-inner { display: flex; align-items: center; gap: 24px; border: 1px solid var(--hairline-strong); border-radius: 14px; padding: 24px 28px; }
.kx-fs-inner.on { border-color: var(--cell); background: color-mix(in srgb, var(--cell) 8%, transparent); }
.kx-fs-svg { flex-shrink: 0; width: 60px; height: 60px; color: var(--cell, var(--lime)); }
.kx-fs-inner.off .kx-fs-svg { color: var(--ink-dim); }
.kx-fs-svg svg { width: 100%; height: 100%; }
.kx-fs-kicker { font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--cell, var(--lime)); margin-bottom: 4px; }
.kx-fs-inner.off .kx-fs-kicker { color: var(--ink-muted); }
.kx-fs-text h3 { font-family: var(--font-display); font-weight: 700; font-size: 20px; margin: 0 0 6px; }
.kx-fs-text p { color: var(--ink-muted); font-size: 14px; line-height: 1.5; margin: 0; }
.kx-fs-text a { color: var(--cell, var(--lime)); }

/* ---- celebration ---- */
.kx-celebrate { position: fixed; inset: 0; z-index: 360; background: rgba(10,10,10,.85); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity .35s; }
.kx-celebrate.show { opacity: 1; }
.kx-celebrate-card { text-align: center; padding: 40px; transform: scale(.9); transition: transform .4s cubic-bezier(.2,.8,.2,1.2); }
.kx-celebrate.show .kx-celebrate-card { transform: scale(1); }
.kx-celebrate.nomo .kx-celebrate-card, .kx-celebrate.nomo { transition: none; }
.kx-celebrate.nomo .kx-celebrate-card { transform: none; }
.kx-celebrate-svg { width: 120px; height: 120px; margin: 0 auto 20px; color: var(--cell, var(--lime)); animation: kx-pop .6s ease; }
.kx-celebrate.nomo .kx-celebrate-svg { animation: none; }
.kx-celebrate-svg svg { width: 100%; height: 100%; }
.kx-celebrate-k { font-family: var(--font-mono); font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--cell, var(--lime)); }
.kx-celebrate-name { font-family: var(--font-display); font-weight: 800; font-size: 32px; margin: 8px 0 24px; }
@keyframes kx-pop { 0%{transform:scale(.4);opacity:0} 60%{transform:scale(1.15)} 100%{transform:scale(1);opacity:1} }

/* ---- toast ---- */
.kx-toast-wrap { position: fixed; right: 18px; bottom: 18px; z-index: 380; display: flex; flex-direction: column; gap: 10px; }
.kx-toast { display: flex; align-items: center; gap: 12px; background: var(--bg-elevated); border: 1px solid var(--lime); border-radius: 10px; padding: 14px 16px; max-width: 320px; transform: translateX(120%); transition: transform .4s cubic-bezier(.2,.8,.2,1); box-shadow: 0 12px 30px -12px rgba(0,0,0,.6); }
.kx-toast.show { transform: translateX(0); }
.kx-toast.nomo { transition: none; }
.kx-toast-ic { font-size: 22px; color: var(--lime); flex-shrink: 0; }
.kx-toast-body { display: flex; flex-direction: column; gap: 2px; font-size: 13px; }
.kx-toast-body b { font-family: var(--font-display); font-size: 13px; }
.kx-toast-body span { color: var(--ink-muted); }

/* ---- exam / triumph / certificate / review ---- */
.kx-exam-bar, .kx-game-bar { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-muted); margin-bottom: 20px; }
.kx-triumph-mosaic { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 18px; }
.kx-cert-frag { width: 40px; height: 40px; display: inline-flex; }
.kx-cert-frag svg { width: 100%; height: 100%; }
.kx-cert-form { display: flex; flex-direction: column; gap: 12px; max-width: 360px; margin: 24px auto 0; }
.kx-review-list { list-style: none; padding: 0; margin: 16px 0 24px; }
.kx-review-list li { padding: 8px 0; border-top: 1px solid var(--hairline); color: var(--ink-muted); font-size: 14px; }
.kx-review-list a { color: var(--lime); }

/* ---- games page ---- */
.kx-games { padding-bottom: 96px; }
.kx-game-sec { padding: 48px 0; border-top: 1px solid var(--hairline); }
.kx-game-head h2 { font-family: var(--font-display); font-weight: 800; font-size: clamp(26px,3.4vw,44px); letter-spacing: -.02em; margin: 6px 0 10px; }
.kx-game-head h2 .em { font-family: var(--font-serif); font-style: italic; font-weight: 400; color: var(--lime); }
.kx-game-head p { color: var(--ink-muted); max-width: 620px; margin: 0 0 28px; }
.kx-game-mount { max-width: 720px; }

.kx-guess-img { border: 1px solid var(--hairline-strong); border-radius: 12px; overflow: hidden; aspect-ratio: 16/10; background: var(--bg-card); margin-bottom: 18px; }
.kx-guess-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.kx-guess-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.kx-guess-opt { text-align: center; }
.kx-guess-opt.is-correct { border-color: var(--kx-ok); color: var(--kx-ok); }
.kx-guess-opt.is-wrong { border-color: var(--kx-bad); color: var(--kx-bad); }
.kx-guess-fb { margin-top: 16px; font-size: 14px; color: var(--ink-muted); line-height: 1.5; }
.kx-guess-fb .ok { color: var(--kx-ok); font-weight: 600; }
.kx-guess-fb .bad { color: var(--kx-bad); font-weight: 600; }
.kx-game-result { text-align: center; padding: 30px 0; }

.kx-tl-list { list-style: none; padding: 0; margin: 0 0 20px; counter-reset: tl; }
.kx-tl-item { display: flex; align-items: center; gap: 14px; padding: 14px 16px; margin-bottom: 8px; border: 1px solid var(--hairline-strong); border-radius: 8px; background: var(--bg-card); cursor: grab; }
.kx-tl-item.dragging { opacity: .5; }
.kx-tl-item.ok { border-color: var(--kx-ok); }
.kx-tl-item.bad { border-color: var(--kx-bad); }
.kx-tl-grip { color: var(--ink-dim); cursor: grab; }
.kx-tl-label { flex: 1; font-size: 15px; }
.kx-tl-year { font-family: var(--font-mono); font-size: 14px; color: var(--lime); }
.kx-tl-moves { display: flex; flex-direction: column; gap: 2px; }
.kx-tl-moves button { width: 26px; height: 20px; border: 1px solid var(--hairline-strong); background: transparent; color: var(--ink-muted); border-radius: 4px; cursor: pointer; font-size: 9px; }
.kx-tl-moves button:hover { color: var(--lime); border-color: var(--lime); }
.kx-tl-foot { display: flex; align-items: center; gap: 18px; }
.kx-tl-verdict .ok { color: var(--kx-ok); } .kx-tl-verdict .bad { color: var(--kx-bad); }

/* ---- achievements grid ---- */
.kx-ach-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.kx-ach { border: 1px solid var(--hairline); border-radius: 10px; padding: 18px; background: var(--bg-elevated); }
.kx-ach.off { opacity: .5; }
.kx-ach.on { border-color: var(--lime); }
.kx-ach-ic { font-size: 24px; margin-bottom: 10px; }
.kx-ach.on .kx-ach-ic { color: var(--lime); }
.kx-ach-t { font-family: var(--font-display); font-weight: 700; font-size: 15px; margin-bottom: 6px; }
.kx-ach-d { font-size: 13px; color: var(--ink-muted); line-height: 1.45; }
.kx-ach-count { font-family: var(--font-mono); font-size: 12px; color: var(--ink-muted); margin-top: 20px; }

@media (prefers-reduced-motion: reduce) {
  .kx-celebrate, .kx-celebrate-card, .kx-celebrate-svg, .kx-toast, .kx-modal, .kx-cell { transition: none !important; animation: none !important; }
}

/* ============================================================
   8 · GUIDE BOT «Хранитель кода»
   ============================================================ */
.kx-guide-fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 250;
  width: 56px; height: 56px; border-radius: 50%;
  border: 1px solid var(--lime); background: var(--bg-elevated); color: var(--lime);
  font-size: 24px; cursor: pointer; box-shadow: 0 10px 30px -10px rgba(0,0,0,.6);
  transition: transform .2s, background .2s, color .2s;
  display: flex; align-items: center; justify-content: center;
}
.kx-guide-fab:hover { transform: translateY(-3px); background: var(--lime); color: #0a0a0a; }
.kx-guide-fab:focus-visible { outline: 2px solid var(--lime); outline-offset: 3px; }

.kx-guide-panel {
  position: fixed; right: 22px; bottom: 90px; z-index: 260;
  width: min(390px, calc(100vw - 44px)); height: min(620px, calc(100vh - 130px));
  display: flex; flex-direction: column;
  background: var(--bg-elevated); border: 1px solid var(--hairline-strong);
  border-radius: 16px; overflow: hidden;
  box-shadow: 0 24px 60px -20px rgba(0,0,0,.7);
  opacity: 0; transform: translateY(12px) scale(.98); transition: opacity .25s, transform .25s;
}
.kx-guide-panel.open { opacity: 1; transform: translateY(0) scale(1); }

.kx-guide-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--hairline); flex-shrink: 0;
}
.kx-guide-title { font-family: var(--font-display); font-weight: 700; font-size: 14px; display: flex; align-items: center; gap: 9px; }
.kx-guide-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 8px var(--lime); }
.kx-guide-close { width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--hairline-strong); background: transparent; color: var(--ink); font-size: 18px; cursor: pointer; }
.kx-guide-close:hover { border-color: var(--lime); color: var(--lime); }

.kx-guide-msgs { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.kx-guide-msg { max-width: 88%; }
.kx-guide-msg.user { align-self: flex-end; background: var(--lime); color: #0a0a0a; padding: 10px 14px; border-radius: 14px 14px 4px 14px; font-size: 14px; line-height: 1.45; }
.kx-guide-msg.bot { align-self: flex-start; }
.kx-guide-bubble { background: var(--bg-card); border: 1px solid var(--hairline); color: var(--ink); padding: 12px 15px; border-radius: 14px 14px 14px 4px; font-size: 14px; line-height: 1.5; }
.kx-guide-bubble b { font-weight: 600; }
.kx-guide-bubble i { font-family: var(--font-serif); font-style: italic; color: var(--ink); }
.kx-guide-extra { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.kx-guide-link { display: inline-block; font-family: var(--font-mono); font-size: 12px; letter-spacing: .02em; color: var(--lime); border: 1px solid rgba(212,255,79,0.3); border-radius: 8px; padding: 7px 10px; }
.kx-guide-link:hover { background: rgba(212,255,79,0.1); border-color: var(--lime); }

.kx-guide-opts { display: flex; flex-direction: column; gap: 7px; margin-top: 10px; }
.kx-guide-opt { text-align: left; font: inherit; font-size: 13px; color: var(--ink); background: var(--bg-elevated); border: 1px solid var(--hairline-strong); border-radius: 8px; padding: 9px 11px; cursor: pointer; transition: border-color .15s; }
.kx-guide-opt span { font-family: var(--font-mono); color: var(--ink-muted); margin-right: 6px; }
.kx-guide-opt:hover:not(:disabled) { border-color: var(--lime); }
.kx-guide-opt.ok { border-color: var(--kx-ok); background: rgba(70,200,154,0.12); }
.kx-guide-opt.ok span { color: var(--kx-ok); }
.kx-guide-opt.bad { border-color: var(--kx-bad); background: rgba(232,85,78,0.12); }
.kx-guide-opt.bad span { color: var(--kx-bad); }

.kx-guide-caret { display: inline-block; width: 7px; height: 14px; background: var(--lime); margin-left: 2px; vertical-align: text-bottom; animation: kx-blink 1s steps(2) infinite; }
@keyframes kx-blink { 50% { opacity: 0; } }
.kx-guide-typing { display: inline-flex; gap: 4px; }
.kx-guide-typing span { width: 6px; height: 6px; border-radius: 50%; background: var(--ink-muted); animation: kx-bounce 1.2s infinite; }
.kx-guide-typing span:nth-child(2) { animation-delay: .15s; }
.kx-guide-typing span:nth-child(3) { animation-delay: .3s; }
@keyframes kx-bounce { 0%,60%,100% { transform: translateY(0); opacity:.4; } 30% { transform: translateY(-4px); opacity:1; } }

.kx-guide-chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 10px 14px 0; flex-shrink: 0; }
.kx-guide-chip { font-family: var(--font-mono); font-size: 11px; color: var(--ink-muted); background: transparent; border: 1px solid var(--hairline-strong); border-radius: 999px; padding: 6px 11px; cursor: pointer; white-space: nowrap; }
.kx-guide-chip:hover { border-color: var(--lime); color: var(--lime); }

.kx-guide-form { display: flex; gap: 8px; padding: 12px 14px 14px; flex-shrink: 0; }
.kx-guide-input { flex: 1; font: inherit; font-size: 14px; color: var(--ink); background: var(--bg-card); border: 1px solid var(--hairline-strong); border-radius: 999px; padding: 11px 16px; outline: none; }
.kx-guide-input:focus { border-color: var(--lime); }
.kx-guide-send { width: 42px; flex-shrink: 0; border-radius: 50%; border: 1px solid var(--lime); background: var(--lime); color: #0a0a0a; font-size: 17px; cursor: pointer; }
.kx-guide-send:hover { opacity: .88; }

@media (max-width: 560px) {
  .kx-guide-panel { inset: 0; width: 100%; height: 100%; border-radius: 0; bottom: 0; right: 0; }
  body.kx-guide-lock { overflow: hidden; }
  .kx-guide-fab { right: 16px; bottom: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .kx-guide-panel, .kx-guide-fab { transition: none; }
  .kx-guide-caret, .kx-guide-typing span { animation: none; }
}

/* guide bot — пометка ответа нейросети */
.kx-guide-src { font-family: var(--font-mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--lime); opacity: .85; }
.kx-guide-disc { font-size: 11px; line-height: 1.4; color: var(--ink-dim); font-style: italic; }

/* ============================================================
   9 · «КАКАЯ ТЫ ЭПОХА?» (which-era.html) + приглашение на главной
   ============================================================ */
.kx-we-wrap { padding-bottom: 96px; }
.kx-we-quiz, .kx-we-result { max-width: 720px; opacity: 1; }
.kx-we-quiz.in, .kx-we-result.in { animation: kx-we-fade .35s ease; }
@keyframes kx-we-fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.kx-we-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 26px; }
.kx-we-count { font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-muted); }
.kx-we-dots { display: flex; gap: 6px; }
.kx-we-dots span { width: 8px; height: 8px; border-radius: 50%; background: var(--hairline-strong); transition: background .25s, transform .25s; }
.kx-we-dots span.done { background: var(--ink-muted); }
.kx-we-dots span.active { background: var(--lime); transform: scale(1.35); }

.kx-we-q { font-family: var(--font-display); font-weight: 700; font-size: clamp(24px, 3.4vw, 40px); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 28px; }
.kx-we-opts { display: flex; flex-direction: column; gap: 12px; }
.kx-we-opt { display: flex; align-items: center; gap: 14px; width: 100%; text-align: left; font: inherit; font-size: 17px; line-height: 1.4; color: var(--ink); background: var(--bg-card); border: 1px solid var(--hairline); border-radius: 10px; padding: 18px 20px; cursor: pointer; transition: border-color .2s, background .2s; }
.kx-we-opt:hover { border-color: var(--lime); }
.kx-we-opt:focus-visible { outline: 2px solid var(--lime); outline-offset: 2px; }
.kx-we-mark { flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--hairline-strong); transition: all .2s; }
.kx-we-opt.sel { border-color: var(--lime); background: color-mix(in srgb, var(--lime) 10%, var(--bg-card)); }
.kx-we-opt.sel .kx-we-mark { border-color: var(--lime); background: var(--lime); box-shadow: inset 0 0 0 4px var(--bg-card); }
.kx-we-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 28px; }
.kx-we-nav .kx-btn:disabled { opacity: .4; cursor: default; }

/* результат */
.kx-we-card { border: 1px solid var(--we, var(--lime)); border-radius: 16px; padding: 44px 40px; text-align: center; background: radial-gradient(circle at 50% 0%, color-mix(in srgb, var(--we, var(--lime)) 14%, transparent), transparent 60%), var(--bg-elevated); }
.kx-we-kicker { font-family: var(--font-mono); font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--we, var(--lime)); margin-bottom: 18px; }
.kx-we-sym { width: 96px; height: 96px; margin: 0 auto 18px; color: var(--we, var(--lime)); }
.kx-we-sym svg { width: 100%; height: 100%; }
.kx-we-name { font-family: var(--font-display); font-weight: 800; font-size: clamp(32px, 6vw, 68px); text-transform: uppercase; letter-spacing: -0.03em; line-height: 0.95; margin: 0 0 8px; }
.kx-we-name .em { font-family: var(--font-serif); font-style: italic; font-weight: 400; text-transform: none; color: var(--we, var(--lime)); }
.kx-we-years { font-family: var(--font-serif); font-style: italic; font-size: clamp(18px, 2.4vw, 26px); color: var(--ink-muted); margin-bottom: 24px; }
.kx-we-desc { font-size: 18px; line-height: 1.6; color: var(--ink); max-width: 540px; margin: 0 auto 24px; }
.kx-we-traits { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.kx-we-traits span { font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; padding: 7px 14px; border: 1px solid var(--we, var(--lime)); border-radius: 999px; color: var(--we, var(--lime)); }
.kx-we-awarded { margin-top: 24px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; color: var(--kx-ok); }
.kx-we-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 28px; }

/* приглашение на главной */
.kx-we-invite { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-top: 28px; padding: 28px 32px; border: 1px solid var(--hairline-strong); border-radius: 14px; background: linear-gradient(110deg, rgba(212,255,79,0.08), transparent 60%), var(--bg-elevated); }
.kx-we-invite-t { font-family: var(--font-display); font-weight: 700; font-size: clamp(20px, 2.6vw, 30px); letter-spacing: -0.02em; margin: 0 0 6px; }
.kx-we-invite-t .em { font-family: var(--font-serif); font-style: italic; font-weight: 400; color: var(--lime); }
.kx-we-invite p { font-size: 15px; color: var(--ink-muted); margin: 0; max-width: 520px; }
.kx-we-invite .kx-btn { flex-shrink: 0; text-decoration: none; }

@media (max-width: 600px) {
  .kx-we-opt { font-size: 16px; padding: 16px 16px; }
  .kx-we-card { padding: 32px 22px; }
  .kx-we-actions .kx-btn { flex: 1 1 100%; text-align: center; }
  .kx-we-invite { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  .kx-we-quiz.in, .kx-we-result.in { animation: none; }
}

/* «Какая ты эпоха?» — стартовый экран */
.kx-we-introcard { max-width: 600px; text-align: center; margin: 0 auto; padding: 44px 32px; border: 1px solid var(--hairline-strong); border-radius: 16px; background: radial-gradient(circle at 50% 0%, rgba(212,255,79,0.08), transparent 60%), var(--bg-elevated); }
.kx-we-introcard .kx-we-kicker { color: var(--lime); }
.kx-we-introcard .kx-we-q { margin: 14px 0 16px; }
.kx-we-introtext { font-size: 17px; line-height: 1.6; color: var(--ink-muted); margin: 0 auto 28px; max-width: 460px; }


/* ============================================================
   11 · ВСПЛЫВАЮЩЕЕ ПРИГЛАШЕНИЕ К ТЕСТУ (только главная)
   ============================================================ */
.kx-invite {
  position: fixed; right: 22px; bottom: 88px; z-index: 240;   /* выше кнопки бота, не перекрывает её */
  width: 320px; max-width: calc(100vw - 32px);
  background: var(--bg-elevated); border: 1px solid var(--hairline-strong);
  border-radius: 14px; padding: 18px 20px 18px;
  box-shadow: 0 18px 50px -18px rgba(0,0,0,.7);
  opacity: 0; transform: translateY(16px);
  transition: opacity .35s ease, transform .35s cubic-bezier(.2,.8,.2,1);
}
.kx-invite.open { opacity: 1; transform: translateY(0); }
.kx-invite.nomo { transition: none; }
.kx-invite-x {
  position: absolute; top: 10px; right: 10px; width: 28px; height: 28px;
  border-radius: 50%; border: 1px solid var(--hairline-strong); background: transparent;
  color: var(--ink-muted); font-size: 16px; line-height: 1; cursor: pointer; transition: all .2s;
}
.kx-invite-x:hover { border-color: var(--lime); color: var(--lime); }
.kx-invite-x:focus-visible { outline: 2px solid var(--lime); outline-offset: 2px; }
.kx-invite-t {
  font-family: var(--font-display); font-weight: 700; font-size: 16px;
  letter-spacing: -0.01em; margin: 0 24px 8px 0;
}
.kx-invite-s { font-size: 13px; line-height: 1.5; color: var(--ink-muted); margin: 0 0 14px; }
.kx-invite-go {
  display: inline-block; font-family: var(--font-display); font-weight: 600; font-size: 13px;
  padding: 9px 18px; border-radius: 999px; background: var(--lime); color: #0a0a0a;
  border: 1px solid var(--lime); transition: opacity .2s;
}
.kx-invite-go:hover { opacity: .88; }
.kx-invite-go:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

@media (max-width: 600px) {
  .kx-invite {
    right: 8px; left: 8px; bottom: 80px; width: auto; max-width: none;
    transform: translateY(110%);
    display: grid; grid-template-columns: 1fr auto; grid-template-areas: "t x" "s s" "go go";
    align-items: start; column-gap: 12px; padding: 16px 16px;
  }
  .kx-invite.open { transform: translateY(0); }
  .kx-invite-t { grid-area: t; margin: 0; }
  .kx-invite-x { position: static; grid-area: x; justify-self: end; }
  .kx-invite-s { grid-area: s; margin: 8px 0 12px; }
  .kx-invite-go { grid-area: go; justify-self: start; }
}
@media (prefers-reduced-motion: reduce) {
  .kx-invite { transition: none; }
}