:root{--paper:#f7f5f0;--ink:#24222a;--muted:#5f5b66;--line:rgba(36,34,42,.14);--navy:#182b48;--gold:#f1c84b;--white:#fffefa;--ok:#2f7d4f;--bad:#b3261e;--serif:Georgia,"Times New Roman",serif;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.55}
a{color:var(--navy)}
.shell{width:min(1120px,calc(100% - 32px));margin:0 auto}
.top{background:var(--white);border-bottom:1px solid var(--line)}
.head{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;flex-wrap:wrap;padding:8px 0}
.brand img{display:block;width:176px;height:auto}
.head-right{display:flex;align-items:center;gap:12px}

main{padding:40px 0 60px}
.grid-2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:start}
.card{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:28px}
.kicker{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#596c87;font-weight:700;margin:0 0 6px}
h1{font:clamp(32px,4.5vw,46px)/1.05 var(--serif);letter-spacing:-.02em;margin:0 0 18px}
h2{font:clamp(26px,3vw,34px)/1.1 var(--serif);margin:0 0 12px}
h3{font:22px/1.2 var(--serif);margin:0 0 6px}
.field{display:block;margin:0 0 14px}
.field span{display:block;font-weight:650;margin-bottom:6px}
.field input,.admin input{width:100%;min-height:48px;border:1px solid #c9c5bd;border-radius:6px;padding:10px 12px;font:inherit;background:#fff}
.field input:focus,.admin input:focus{outline:3px solid var(--gold);outline-offset:1px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 20px;background:var(--navy);color:#fff;border:1px solid var(--navy);border-radius:6px;font:inherit;font-weight:650;cursor:pointer;text-decoration:none}
.button:hover{background:#24446f}
.button:disabled{opacity:.6;cursor:wait}
.button.secondary{background:transparent;color:var(--navy)}
.button.revolut{width:100%;margin-top:6px}
.auth .button,.unlock .button{width:100%}
.unlock .button.secondary{margin-top:6px}
.button:focus-visible,.link-btn:focus-visible,.answer:focus-visible,.sound:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.link-btn{background:none;border:0;padding:8px 0;color:var(--navy);font:inherit;text-decoration:underline;text-underline-offset:3px;cursor:pointer;min-height:44px}
.auth-links{display:flex;flex-direction:column;align-items:flex-start;margin-top:12px}
.notice{background:#eaf4ec;border-left:4px solid var(--ok);padding:12px 14px;border-radius:4px}
.error{background:#fbeaea;border-left:4px solid var(--bad);padding:12px 14px;border-radius:4px}
.price{font-weight:700;color:var(--navy)}
.small{font-size:14px;color:var(--muted);margin:6px 0 16px;text-align:center}
.intro p{color:var(--muted)}
.locked-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}
.locked-list li{display:flex;gap:14px;align-items:flex-start;background:var(--white);border:1px solid var(--line);border-radius:8px;padding:14px}
.locked-list .num{flex:0 0 34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:700}
.locked-list strong,.locked-list small{display:block}
.locked-list small{color:var(--muted)}
.steps{padding-inline-start:0;list-style:none;margin:16px 0}
.steps li{margin:0 0 6px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:22px}
.progress{background:var(--white);border:1px solid var(--line);border-radius:8px;padding:10px 16px;text-align:center}
.progress span{display:block;font-size:13px;color:var(--muted)}
.progress strong{font-size:22px}
.lesson-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.lesson-card{background:var(--white);border:1px solid var(--line);border-top:4px solid var(--gold);border-radius:8px;padding:20px;display:flex;flex-direction:column}
.lesson-card p{color:var(--muted)}
.lesson-card .button{margin-top:auto}
.lesson-card.done{border-top-color:var(--ok)}
.meta{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#596c87;font-weight:700;margin:0 0 6px}
dialog.lesson{width:min(640px,calc(100% - 24px));max-height:calc(100% - 24px);border:0;border-radius:12px;padding:28px;background:var(--white);color:var(--ink)}
dialog.lesson::backdrop{background:rgba(24,43,72,.6)}
.close{position:absolute;inset-inline-end:14px;top:10px;width:44px;height:44px;border:0;background:none;font-size:28px;cursor:pointer;color:var(--ink)}
.phrases{display:grid;gap:10px;margin:18px 0}
.phrase{display:flex;justify-content:space-between;align-items:center;gap:12px;background:#f2f0ea;border-radius:8px;padding:14px}
.phrase strong{font-size:19px}
.voice{display:block;color:var(--muted);margin-top:4px}
.sound{flex:0 0 48px;height:48px;border-radius:50%;border:1px solid var(--navy);background:#fff;color:var(--navy);font-size:18px;cursor:pointer}
.question{font-weight:650}
.answers{display:grid;gap:8px;margin:10px 0}
.answer{min-height:48px;text-align:start;padding:10px 14px;border:1px solid #c9c5bd;border-radius:6px;background:#fff;font:inherit;cursor:pointer}
.answer.correct{border-color:var(--ok);background:#eaf4ec}
.answer.wrong{border-color:var(--bad);background:#fbeaea}
.feedback{min-height:1.5em;font-weight:650}
.admin{margin-top:36px;border-left:4px solid var(--gold)}
.admin-list{list-style:none;padding:0;margin:0 0 20px;display:grid;gap:8px}
.admin-list li{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;border:1px solid var(--line);border-radius:6px;padding:10px 12px;background:#fff}
.admin-list small{display:block;color:var(--muted)}
.admin-list.compact li{padding:6px 10px}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.row input{flex:1 1 220px}
.admin .button{width:auto}
.loading{color:var(--muted)}
.foot{border-top:1px solid var(--line);padding:22px 0;font-size:14px;color:var(--muted);background:var(--white)}
.foot-inner{display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between}
[dir=rtl] .steps,[dir=rtl] .answer{text-align:right}
@media(max-width:860px){.grid-2{grid-template-columns:1fr}.lesson-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.lesson-grid{grid-template-columns:1fr}.card{padding:20px}main{padding:24px 0 40px}.brand img{width:150px}dialog.lesson{padding:22px 16px}}
.narrow{max-width:760px}
.lang-pick{position:relative}
.lang-pick summary{list-style:none;display:inline-flex;align-items:center;gap:4px;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--navy);font-weight:650;cursor:pointer;white-space:nowrap}
.lang-pick summary::-webkit-details-marker{display:none}
.lang-pick summary:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.lang-panel{position:absolute;z-index:20;inset-inline-end:0;top:calc(100% + 8px);width:min(320px,calc(100vw - 32px));display:grid;grid-template-columns:1fr 1fr;gap:2px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 30px rgba(24,43,72,.18)}
.lang-panel button{min-height:44px;text-align:start;padding:8px 10px;border:0;border-radius:6px;background:none;font:inherit;color:var(--ink);cursor:pointer}
.lang-panel button:hover,.lang-panel button:focus-visible{background:#f2f0ea;outline:none}
.lang-panel button.current{background:var(--navy);color:#fff;font-weight:650}