:root{--blue:#173b8f;--blue2:#2456c7;--ink:#172033;--muted:#66728a;--line:#dce5f2;--bg:#eef4ff;--card:#fff;--soft:#f7faff;--ok:#0f7b47;--bad:#a31621;--warn:#a15c00;--shadow:0 18px 50px rgba(23,59,143,.12);--radius:24px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:linear-gradient(180deg,#f7fbff 0%,#edf4ff 62%,#f9fbff 100%);color:var(--ink);line-height:1.55}a{color:var(--blue2);text-decoration:none}a:hover{text-decoration:underline}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 40px;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:16px;color:var(--ink)}.brand:hover{text-decoration:none}.brand-mark{width:58px;height:58px;border-radius:20px;background:var(--blue);color:#fff;font-weight:900;display:grid;place-items:center;font-size:24px;letter-spacing:.02em;box-shadow:0 8px 24px rgba(23,59,143,.22)}.brand strong{display:block;font-size:22px;line-height:1.15}.brand small{display:block;color:var(--muted);font-size:16px}.nav{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:18px;font-weight:700}.nav a{color:#314157}.nav a.pill-link{border:1px solid var(--line);border-radius:999px;padding:8px 12px;background:#fff}.hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:32px;align-items:center;max-width:1200px;margin:70px auto 34px;padding:0 28px}.hero-text h1{font-size:clamp(36px,5vw,64px);line-height:1.03;margin:10px 0 22px;letter-spacing:-.04em}.lead{font-size:20px;color:#3c4962;max-width:850px}.eyebrow{text-transform:uppercase;letter-spacing:.16em;color:#1b54d9;font-weight:900;font-size:14px;margin:0 0 8px}.actions,.button-row,.contact-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);border-radius:999px;padding:12px 18px;background:#fff;color:var(--ink);font-weight:800;min-height:44px;box-shadow:0 6px 18px rgba(23,59,143,.07);cursor:pointer}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn.full{width:100%}.btn.small{padding:8px 12px;min-height:36px;font-size:14px}.hero-card,.card,.about-box,.trainer-shell{background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-card{padding:18px}.hero-photo{width:100%;height:220px;object-fit:cover;border-radius:18px;display:block}.badge{display:inline-flex;margin-top:18px;padding:8px 12px;border-radius:999px;background:#eaf1ff;color:#1641a3;font-weight:900;font-size:13px}.hero-card h2{font-size:28px;margin:14px 0 8px}.hero-card p{color:#4b5b74}.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px}.mini-stats span{background:var(--soft);border:1px solid var(--line);border-radius:16px;padding:12px;text-align:center}.mini-stats b{display:block;font-size:24px;color:var(--blue)}.mini-stats small{color:var(--muted)}.section{max-width:1200px;margin:34px auto;padding:0 28px}.section-head{margin-bottom:20px}.section h2{font-size:clamp(28px,3.6vw,44px);line-height:1.12;margin:0 0 12px;letter-spacing:-.03em}.section-head p:not(.eyebrow){color:#4b5b74;font-size:18px;max-width:900px}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.card{padding:24px}.card h3{font-size:25px;margin:12px 0 8px}.card p{color:#4b5b74}.card-top{display:flex;justify-content:space-between;align-items:center;gap:10px}.tag{display:inline-flex;border-radius:999px;background:#eaf1ff;color:#173b8f;font-weight:900;padding:6px 10px;font-size:12px;text-transform:uppercase;letter-spacing:.07em}.tag.ok{background:#e9f8ef;color:#0f7b47}.year{color:#728098;font-weight:800}.photo-section{margin-top:20px}.photo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.photo-card{margin:0;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}.photo-card img{width:100%;height:260px;object-fit:cover;display:block}.photo-card figcaption{padding:14px 18px;font-weight:900}.features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.feature{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px}.feature b{display:block;font-size:19px;margin-bottom:6px}.feature span{display:block;color:#53627a}.about-box{display:grid;grid-template-columns:1fr 320px;gap:24px;padding:30px}.side-note{border-radius:20px;background:#f0f5ff;border:1px solid var(--line);padding:20px;color:#33445f;font-weight:700}.contact-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.contact-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px}.contact-card b{display:block;margin-bottom:8px}.contact-card span{color:#53627a}.footer{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:60px;padding:28px 40px;background:#16213a;color:#d8e5ff}.footer a{color:#fff}.small{font-size:14px;color:var(--muted)}.notice{border:1px solid #f3cf8a;background:#fff8e9;color:#644000;border-radius:18px;padding:14px 16px}.trainer-main{max-width:1050px;margin:52px auto;padding:0 24px}.trainer-shell{padding:28px}.trainer-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:22px}.trainer-head h1{font-size:clamp(30px,4vw,48px);margin:8px 0 10px;line-height:1.08}.pills{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.pill{display:inline-flex;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;font-weight:900;color:#314157}.progress-wrap{height:12px;background:#dfe7f2;border-radius:999px;overflow:hidden;margin:18px 0 26px}.progress{height:100%;background:linear-gradient(90deg,var(--blue),var(--blue2));width:0%;transition:.25s}.question-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px}.qtopic{color:#5c6980;font-size:14px;margin-bottom:12px}.qtext{font-size:23px;line-height:1.42;margin:16px 0 22px}.options{display:grid;gap:12px}.option{display:grid;grid-template-columns:42px 1fr;align-items:center;gap:12px;text-align:left;border:1px solid var(--line);border-radius:18px;background:#fbfdff;padding:12px 14px;font-size:18px;cursor:pointer}.option:hover{border-color:#9db4eb;background:#f4f8ff}.option:disabled{cursor:default}.letter{height:36px;width:36px;border-radius:50%;display:grid;place-items:center;background:#e8eef8;font-weight:900;color:#173b8f}.option.correct{border-color:#84d2a4;background:#effaf4}.option.wrong{border-color:#f0a8a8;background:#fff0f0}.feedback{border-radius:18px;padding:14px 16px;margin:16px 0;font-weight:800}.feedback.ok{background:#eef9f3;border:1px solid #9ddab7;color:#0f6a3d}.feedback.bad{background:#fff0f0;border:1px solid #f0a8a8;color:#9d101a}.feedback.info{background:#eef4ff;border:1px solid #b9c9ed;color:#173b8f}.trainer-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}.summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0}.metric{background:var(--soft);border:1px solid var(--line);border-radius:18px;padding:16px;text-align:center}.metric b{display:block;font-size:30px;color:var(--blue)}.metric span{color:var(--muted);font-weight:800}.mistakes-list{padding-left:24px}.mistakes-list li{margin:8px 0}.missing{font-size:18px;color:#6b7486}@media(max-width:880px){.topbar{padding:14px 18px;align-items:flex-start}.brand strong{font-size:18px}.brand small{font-size:13px}.nav{gap:9px;font-size:14px}.hero{grid-template-columns:1fr;margin-top:40px}.cards,.photo-grid,.features,.contact-grid,.about-box{grid-template-columns:1fr}.summary-grid{grid-template-columns:repeat(2,1fr)}.trainer-head{flex-direction:column}.pills{justify-content:flex-start}.footer{padding:22px}.qtext{font-size:20px}.option{font-size:16px;grid-template-columns:36px 1fr}.hero-text h1{font-size:38px}.section{padding:0 18px}.hero{padding:0 18px}.mini-stats{grid-template-columns:1fr}}


/* UI fix 2026-06-10: robust trainer layout, even if browser caches older markup */
.trainer-main,
.trainer-shell,
.question-card {
  max-width: 100%;
  overflow-x: hidden;
}
#title,
#subtitle,
.qtext,
.qtopic,
.feedback,
.mistakes-list li {
  overflow-wrap: anywhere;
  word-break: normal;
}
.pills {
  align-items: center;
}
#modePill,
#langPill,
#timerPill,
.pill {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid var(--line) !important;
  background: #fff !important;
  border-radius: 999px !important;
  padding: 8px 13px !important;
  font-weight: 900 !important;
  color: #314157 !important;
  line-height: 1.2 !important;
  margin: 0 4px 6px 0;
}
.options {
  display: flex !important;
  flex-direction: column !important;
  gap: 12px !important;
  width: 100%;
  margin-top: 14px;
}
.options button,
.option {
  appearance: none;
  -webkit-appearance: none;
  width: 100% !important;
  min-height: 56px;
  display: grid !important;
  grid-template-columns: 44px minmax(0, 1fr) !important;
  align-items: center !important;
  gap: 12px !important;
  text-align: left !important;
  border: 1px solid var(--line) !important;
  border-radius: 18px !important;
  background: #fbfdff !important;
  color: var(--ink) !important;
  padding: 12px 14px !important;
  font-size: 18px !important;
  font-family: inherit !important;
  line-height: 1.35 !important;
  white-space: normal !important;
  box-shadow: 0 6px 18px rgba(23,59,143,.05);
  cursor: pointer;
}
.options button:hover,
.option:hover {
  border-color: #9db4eb !important;
  background: #f4f8ff !important;
  transform: translateY(-1px);
}
.options button:disabled,
.option:disabled {
  cursor: default;
  transform: none;
  opacity: 1;
}
.letter {
  height: 36px !important;
  width: 36px !important;
  min-width: 36px !important;
  border-radius: 50% !important;
  display: grid !important;
  place-items: center !important;
  background: #e8eef8 !important;
  font-weight: 900 !important;
  color: #173b8f !important;
}
.option span:last-child,
.options button span:last-child {
  min-width: 0;
  overflow-wrap: anywhere;
}
.option.correct,
.options button.correct {
  border-color: #84d2a4 !important;
  background: #effaf4 !important;
}
.option.wrong,
.options button.wrong {
  border-color: #f0a8a8 !important;
  background: #fff0f0 !important;
}
@media(max-width: 640px) {
  .trainer-main { padding: 0 12px; margin-top: 22px; }
  .trainer-shell { padding: 18px; border-radius: 18px; }
  .question-card { padding: 16px; border-radius: 18px; }
  .qtext { font-size: 18px; line-height: 1.42; }
  .options button, .option {
    grid-template-columns: 38px minmax(0, 1fr) !important;
    font-size: 16px !important;
    padding: 11px 12px !important;
  }
  .letter { height: 32px !important; width: 32px !important; min-width: 32px !important; }
}