:root{--blue:#2980b9;--dark:#2c3e50;--bg:#f4f7f6;--fr:#002395;--red:#e74c3c;--gold:#f1c40f}
*{box-sizing:border-box}
body{font-family:'Segoe UI',Tahoma,sans-serif;background:var(--bg);margin:0;padding:20px;color:var(--dark);line-height:1.55}
.container{max-width:650px;margin:0 auto}
.back-btn{text-decoration:none;color:var(--blue);font-weight:bold;font-size:14px;display:inline-block;margin-bottom:20px;border:1px solid var(--blue);padding:8px 15px;border-radius:10px}
.back-btn:hover{background:var(--blue);color:#fff}
.hero{background:var(--fr);color:#fff;border-radius:20px;padding:22px;text-align:center}
.hero small{color:var(--gold);font-weight:700}
.hero h1{margin:6px 0 4px;font-size:26px}
.card{background:#fff;border-radius:20px;padding:22px;box-shadow:0 5px 15px rgba(0,0,0,.05);margin-top:22px;border-left:10px solid var(--fr)}
.card h2{margin:0 0 6px;font-size:20px;color:var(--fr)}
.hint{background:#fffbe6;border:1px solid #ffe58f;color:#856404;border-radius:10px;padding:10px 12px;font-size:14px;margin:12px 0}
svg{width:100%;height:auto;display:block}
[data-say]{cursor:pointer}
[data-say]:hover .hl{stroke:var(--gold);stroke-width:3}
.words{display:grid;gap:10px;margin-top:12px}
.w{display:flex;align-items:center;gap:12px;border:1px solid #eee;border-radius:15px;padding:10px 14px;background:#fff;text-align:left;font:inherit;width:100%}
.w:hover,.w:focus-visible{border-color:var(--blue);background:#f0faff;outline:none}
.w .ico{font-size:22px}
.w b{font-size:18px;color:var(--fr);display:block}
.w span{font-size:13px;color:#666}
.w em{margin-left:auto;font-style:normal;background:#eef3ff;color:var(--fr);border-radius:8px;padding:3px 9px;font-size:13px;white-space:nowrap}
table{width:100%;border-collapse:collapse;font-size:14px;margin-top:10px}
th{background:#f0f3f9;text-align:left;padding:8px}td{padding:8px;border-bottom:1px solid #eee}
.dlg p{margin:6px 0}
.q{font-weight:600;margin:12px 0}
.opts{display:grid;gap:8px}
.opt{border:2px solid #e3e8ef;background:#fff;border-radius:12px;padding:11px 14px;font:inherit;font-weight:600;cursor:pointer;text-align:left}
.opt:hover{border-color:var(--blue)}
.opt.ok{border-color:#27ae60;background:#eafaf0}.opt.no{border-color:var(--red);background:#fdeeee}
.btn{background:var(--fr);color:#fff;border:0;border-radius:10px;padding:10px 18px;font:inherit;font-weight:700;cursor:pointer;margin-top:12px}
.btn.alt{background:#fff;color:var(--fr);border:2px solid var(--fr)}
#fb{min-height:24px;font-weight:600;margin-top:10px}
#bar{height:8px;background:#e3e8ef;border-radius:8px;overflow:hidden}#bar i{display:block;height:100%;background:#27ae60;width:0;transition:width .3s}
.note{font-size:12px;color:#95a5a6;text-align:center;margin-top:30px}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

.lessons{display:grid;gap:12px;margin-top:14px}
.lesson{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--dark);border:1px solid #eee;border-radius:15px;padding:14px 16px;background:#fff}
.lesson:hover,.lesson:focus-visible{border-color:var(--blue);background:#f0faff;outline:none}
.lesson .no{background:var(--fr);color:#fff;border-radius:12px;width:44px;height:44px;display:flex;align-items:center;justify-content:center;font-weight:700;flex:none}
.lesson b{display:block;font-size:16px}.lesson span{font-size:13px;color:#666}
.lesson.soon{opacity:.55;pointer-events:none}.lesson.soon .no{background:#95a5a6}
.nav{display:flex;justify-content:space-between;gap:10px;margin-top:26px;flex-wrap:wrap}
.nav a{text-decoration:none;color:var(--blue);font-weight:700;font-size:14px;border:1px solid var(--blue);padding:8px 15px;border-radius:10px}
.nav a:hover{background:var(--blue);color:#fff}