:root{
  --navy:#0b3a6f;--blue:#1769aa;--blue2:#2d86c9;--sky:#eaf5ff;--ink:#102033;--muted:#627286;
  --border:#d9e4ef;--green:#16834f;--green-bg:#eaf8f1;--red:#c63b37;--red-bg:#fff0ef;--white:#fff;
  --card:#ffffff;--soft:#f4f8fc;
}
*{box-sizing:border-box}
html{background:var(--soft)}
body{margin:0;background:linear-gradient(180deg,#eef7ff 0,#f6f9fc 260px,#f4f8fc 100%);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;min-height:100%}
button{font:inherit}.hidden{display:none!important}
.app-shell{max-width:780px;margin:0 auto;padding:18px 16px 48px}.screen{display:none}.screen.active{display:block}
.brandbar{display:flex;align-items:center;justify-content:space-between;gap:12px}.softix-logo{width:210px;max-width:62%;height:auto;border-radius:10px;display:block}.lang-switch{display:flex;padding:3px;background:#e0ecf7;border-radius:999px}.lang-btn{border:0;background:transparent;color:var(--navy);font-weight:800;padding:8px 11px;border-radius:999px;cursor:pointer;min-width:44px}.lang-btn.active{background:#fff;box-shadow:0 1px 4px rgba(16,32,51,.10)}
.hero{text-align:center;padding:22px 10px 14px}.road-badge{font-size:44px;line-height:1;margin-bottom:8px}.eyebrow{margin:0 0 6px;text-transform:uppercase;letter-spacing:.11em;font-size:12px;font-weight:900;color:var(--blue)}h1{margin:0;color:var(--navy);font-size:clamp(34px,8vw,56px);line-height:1.02}.subtitle{max-width:610px;margin:12px auto 0;color:var(--muted);font-size:16px;line-height:1.55}
.stats-strip{display:grid;grid-template-columns:repeat(3,1fr);background:#fff;border:1px solid var(--border);border-radius:18px;padding:12px;margin:12px 0 14px}.stats-strip div{text-align:center;padding:4px 6px;border-right:1px solid #e8eef4}.stats-strip div:last-child{border-right:0}.stats-strip strong{display:block;color:var(--navy);font-size:21px}.stats-strip span{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.mode-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.mode-card{display:flex;align-items:center;gap:12px;text-align:left;border:1px solid var(--border);background:#fff;border-radius:16px;padding:15px;cursor:pointer;min-height:82px}.mode-card .mode-icon{font-size:25px;width:35px;text-align:center}.mode-card strong{display:block;color:var(--navy);font-size:16px}.mode-card small{display:block;color:var(--muted);font-size:12px;margin-top:3px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:12px;margin:22px 2px 9px}.section-head h2{margin:0;color:var(--navy);font-size:18px}.section-head span{font-size:12px;color:var(--muted)}.set-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.set-btn{border:1px solid var(--border);background:#fff;border-radius:15px;padding:15px;text-align:left;cursor:pointer;min-height:88px}.set-btn strong{display:block;color:var(--navy);font-size:17px;margin-bottom:4px}.set-btn span{color:var(--muted);font-size:12px}.set-btn em{font-style:normal;color:var(--blue);font-weight:800;font-size:11px;display:block;margin-top:8px}
@media (hover:hover){.mode-card:hover,.set-btn:hover{border-color:#80b5dd;transform:translateY(-1px)}}button{transition:border-color .15s,transform .15s,background .15s}button:focus-visible{outline:3px solid #7ab8e7;outline-offset:3px}
.primary,.secondary,.install-btn{border:0;border-radius:14px;min-height:50px;padding:13px 18px;font-weight:850;cursor:pointer}.primary{background:var(--navy);color:#fff}.secondary{background:#fff;color:var(--navy);border:1px solid var(--border)}.wide{width:100%;margin-top:12px}.install-btn{width:100%;margin-top:16px;background:#e8f4ff;color:var(--navy);border:1px solid #a9cfee}.text-btn{display:block;margin:14px auto 0;border:0;background:transparent;color:#6b7d90;text-decoration:underline;cursor:pointer;font-size:12px}.note{text-align:center;color:var(--muted);font-size:11px;margin-top:10px}.footer-brand{text-align:center;color:#8190a1;font-size:11px;margin-top:16px}.footer-brand strong{color:#5d7186}
.quiz-header{display:grid;grid-template-columns:48px 1fr auto;align-items:center;gap:12px;margin:8px 0 12px}.icon-btn{width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:#fff;color:var(--navy);font-size:24px;cursor:pointer}.quiz-meta h2{margin:0;color:var(--navy);font-size:20px}.quiz-meta .eyebrow{margin-bottom:2px}.score-pill{background:var(--sky);color:var(--navy);font-weight:850;border-radius:999px;padding:9px 12px;white-space:nowrap}.progress-track{height:8px;background:#dfeaf4;border-radius:999px;overflow:hidden;margin:0 0 18px}.progress-bar{height:100%;width:0;background:linear-gradient(90deg,var(--blue),var(--blue2));transition:width .25s ease}.question-card,.learn-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:14px;overflow:hidden}.question-fallback{font-size:18px;font-weight:850;color:var(--navy);margin:4px 4px 10px;text-align:center}.prompt-image{display:block;width:100%;height:auto;border-radius:10px;border:1px solid #edf2f7;margin-bottom:16px}.options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.option-btn{position:relative;border:2px solid var(--border);border-radius:14px;background:#fff;padding:8px;min-width:0;cursor:pointer;display:flex;flex-direction:column;align-items:stretch;gap:7px}.option-btn img{width:100%;height:150px;object-fit:contain;display:block;background:#fff;border-radius:8px}.option-label{text-align:center;font-weight:850;color:var(--navy);font-size:14px}.option-btn.correct{border-color:var(--green);background:var(--green-bg)}.option-btn.wrong{border-color:var(--red);background:var(--red-bg)}.option-btn:disabled{cursor:default;opacity:1}.feedback{margin-top:14px;min-height:0;border-radius:14px;padding:0;font-weight:850;text-align:center}.feedback.show{padding:12px 14px}.feedback.correct{background:var(--green-bg);color:var(--green)}.feedback.wrong{background:var(--red-bg);color:var(--red)}
.learn-card{text-align:center;padding:22px}.learn-meaning{font-size:24px;color:var(--navy);font-weight:900;margin:0 0 18px}.learn-sign{width:min(330px,80%);height:260px;object-fit:contain;background:#fff;border:1px solid #edf2f7;border-radius:16px;padding:12px}.learn-hint{color:var(--muted);font-size:14px;line-height:1.5;margin:16px auto 0;max-width:500px}.learn-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.result-card{background:#fff;border:1px solid var(--border);border-radius:20px;padding:24px 20px;text-align:center;margin-top:20px}.result-logo{width:170px;max-width:70%;border-radius:9px;margin-bottom:10px}.result-icon{font-size:48px}.result-card h2{margin:6px 0;color:var(--navy);font-size:28px}.big-score{font-size:64px;font-weight:900;color:var(--navy);line-height:1.1}.slash{color:#a9b6c5;padding:0 6px}.result-message{color:var(--muted);font-size:16px;margin:10px auto 20px;max-width:500px}.result-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:18px 0}.result-stats div{background:#f6f9fc;border-radius:12px;padding:12px 6px}.result-stats strong{display:block;color:var(--navy);font-size:22px}.result-stats span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
html[dir="rtl"] .mode-card,html[dir="rtl"] .set-btn{text-align:right}html[dir="rtl"] .quiz-header{grid-template-columns:auto 1fr 48px}html[dir="rtl"] #backBtn,html[dir="rtl"] #learnBackBtn{grid-column:3}html[dir="rtl"] .quiz-meta{grid-column:2;grid-row:1}html[dir="rtl"] .score-pill{grid-column:1;grid-row:1}
@media(max-width:520px){.app-shell{padding:12px 10px 34px}.softix-logo{width:185px}.hero{padding-top:17px}.stats-strip{padding:10px 4px}.mode-grid,.set-grid{grid-template-columns:1fr 1fr}.mode-card{padding:12px;min-height:76px;gap:8px}.mode-card .mode-icon{font-size:22px;width:29px}.mode-card strong{font-size:14px}.set-btn{padding:13px;min-height:84px}.question-card{padding:10px}.options{gap:6px}.option-btn{padding:5px;border-radius:11px}.option-btn img{height:105px}.option-label{font-size:12px}.prompt-image{margin-bottom:12px}.question-fallback{font-size:16px}.quiz-header{grid-template-columns:44px 1fr auto;gap:8px}.score-pill{font-size:13px;padding:8px 9px}.learn-sign{height:220px}.learn-meaning{font-size:21px}}
@media(max-width:360px){.mode-grid,.set-grid{grid-template-columns:1fr}.options{gap:4px}.option-btn img{height:90px}.option-label{font-size:11px}.question-card{padding:8px}.softix-logo{width:160px}.lang-btn{min-width:40px;padding:7px}}