:root{--navy:#071b35;--navy2:#0d2c55;--orange:#ff7a1a;--orange2:#ff9c55;--ink:#13243a;--muted:#68778b;--surface:#fff;--soft:#f3f6fa;--line:#dce4ee;--good:#14804a;--bad:#b33a3a;--shadow:0 16px 44px rgba(7,27,53,.12);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#eaf0f7}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:linear-gradient(165deg,#eef3f8,#dfe8f2);-webkit-tap-highlight-color:transparent}.app-shell{width:min(100%,520px);min-height:100vh;margin:auto;background:var(--soft);position:relative;padding-bottom:88px;box-shadow:0 0 60px rgba(7,27,53,.14)}.topbar{height:76px;padding:calc(10px + env(safe-area-inset-top)) 18px 10px;display:flex;align-items:center;gap:12px;background:var(--navy);color:#fff;position:sticky;top:0;z-index:10}.brand-mark{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(145deg,var(--orange),#ffad69);font-weight:900;color:#10213a;box-shadow:0 7px 18px rgba(255,122,26,.3)}.brand-copy{display:flex;flex:1;min-width:0;flex-direction:column;line-height:1.15}.brand-copy strong{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.brand-copy span{font-size:11px;color:#b9c9db;margin-top:4px}.icon-button{border:0;color:#fff;background:#ffffff12;width:42px;height:42px;border-radius:13px;font-size:22px;cursor:pointer}.hidden{visibility:hidden}main{padding:20px 18px 28px}.hero{background:linear-gradient(145deg,var(--navy),var(--navy2));color:#fff;border-radius:28px;padding:28px 24px;box-shadow:var(--shadow);overflow:hidden;position:relative}.hero:after{content:"";position:absolute;width:190px;height:190px;border-radius:50%;right:-80px;top:-90px;background:#ff7a1a20}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:var(--orange2);font-weight:800}.hero h1{font-size:31px;line-height:1.05;margin:12px 0}.hero p{color:#c7d3e2;line-height:1.55;margin:0 0 22px}.primary,.secondary{width:100%;min-height:58px;border:0;border-radius:17px;font-size:16px;font-weight:800;cursor:pointer}.primary{background:var(--orange);color:#12213a;box-shadow:0 9px 22px rgba(255,122,26,.25)}.secondary{background:#fff;color:var(--navy);border:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;align-items:end;margin:26px 2px 13px}.section-head h2{font-size:20px;margin:0}.section-head span{font-size:12px;color:var(--muted)}.menu-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.menu-card{min-height:142px;border:1px solid var(--line);background:#fff;border-radius:21px;padding:18px;text-align:left;cursor:pointer;box-shadow:0 8px 24px rgba(7,27,53,.06)}.menu-card .symbol{font-size:25px;display:block;margin-bottom:18px}.menu-card strong{display:block;font-size:15px;line-height:1.25}.menu-card small{display:block;color:var(--muted);margin-top:7px;line-height:1.35}.menu-card.wide{grid-column:1/-1;min-height:auto;display:flex;align-items:center;gap:14px}.menu-card.wide .symbol{margin:0}.progress-strip{margin-top:14px;padding:17px;background:#fff;border:1px solid var(--line);border-radius:19px}.progress-row{display:flex;justify-content:space-between;font-size:13px;font-weight:700}.bar{height:9px;background:#e5ebf2;border-radius:99px;margin-top:11px;overflow:hidden}.bar i{height:100%;display:block;background:linear-gradient(90deg,var(--orange),#ffb16d);border-radius:inherit}.screen-title{margin:4px 0 5px;font-size:27px}.screen-sub{color:var(--muted);line-height:1.45;margin:0 0 20px}.body-language{border:2px solid #f0a052;background:#fff7ed;border-radius:19px;padding:15px 17px;margin:0 0 14px}.body-language strong{display:block;color:#9d4c0d;font-size:12px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px}.body-language span{font-weight:700}.customer-card{background:var(--navy);color:#fff;border-radius:24px;padding:22px;margin-bottom:19px;box-shadow:var(--shadow)}.customer-card small{color:#9fb3cb;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.customer-card blockquote{font-size:22px;line-height:1.35;margin:12px 0 0;font-weight:750}.task-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-bottom:8px}.question{font-size:20px;line-height:1.3;margin:12px 0 15px}.answers{display:grid;gap:11px}.answer{width:100%;min-height:68px;padding:16px 17px;border:2px solid var(--line);border-radius:18px;background:#fff;text-align:left;color:var(--ink);font:inherit;font-weight:680;line-height:1.35;cursor:pointer}.answer:active{transform:scale(.988)}.answer.correct{border-color:#42a875;background:#eefaf3}.answer.wrong{border-color:#d96a6a;background:#fff2f2}.feedback{margin-top:18px;padding:20px;border-radius:21px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}.feedback.good{border-top:5px solid var(--good)}.feedback.bad{border-top:5px solid var(--bad)}.feedback h3{margin:0 0 8px;font-size:19px}.feedback p{line-height:1.5;color:#44566c;margin:0 0 18px}.tip{padding:16px;background:#fff7ed;border-radius:16px;margin-bottom:16px}.tip strong{display:block;color:#9d4c0d;margin-bottom:5px}.bottom-nav{position:fixed;bottom:0;width:min(100%,520px);height:74px;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);z-index:12}.bottom-nav button{border:0;background:transparent;color:#78879a;font-size:11px;font-weight:750;cursor:pointer}.bottom-nav button span{display:block;font-size:22px;margin-bottom:3px}.bottom-nav button.active{color:var(--orange)}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stat{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px}.stat b{font-size:27px;display:block}.stat span{font-size:12px;color:var(--muted)}.list{display:grid;gap:10px}.list button{background:#fff;border:1px solid var(--line);border-radius:17px;padding:16px;text-align:left;font:inherit;font-weight:700;color:var(--ink);cursor:pointer}.empty{color:var(--muted);text-align:center;padding:40px 20px}@media(max-width:360px){main{padding-left:14px;padding-right:14px}.hero h1{font-size:27px}.menu-grid{grid-template-columns:1fr}.menu-card.wide{grid-column:auto}.customer-card blockquote{font-size:19px}}@media(prefers-reduced-motion:no-preference){.hero,.menu-card,.customer-card,.feedback{animation:rise .3s ease-out}@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}}