*{box-sizing:border-box;margin:0;padding:0}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#eef2ff;--card:#fff;--text:#312e81;--text-body:#3f3f6e;--muted:#64748b;--primary:#4f46e5;--primary-dark:#4338ca;--primary-soft:#e0e7ff;--on-primary:#fff;--secondary:#818cf8;--green:#16a34a;--green-soft:#dcfce7;--red:#dc2626;--red-soft:#fee2e2;--amber:#d97706;--amber-soft:#fef3c7;--border:#c7d2fe;--border-soft:#e0e7ff;--radius:14px;--radius-sm:10px;--topbar-h:57px;--shadow-sm:0 1px 2px #312e810f;--shadow-md:0 4px 12px #312e811a;--shadow-lg:0 8px 24px #312e8124;--space-1:4px;--space-2:8px;--space-3:16px;--space-4:24px;--space-5:32px;--space-6:48px;--ease:cubic-bezier(.22, 1, .36, 1);--dur:.2s;--nav-bg:#ffffffeb;--surface-tint:#f8faff}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#12132b;--card:#1c1e3d;--text:#e0e7ff;--text-body:#c3c6e8;--muted:#8f95b8;--primary:#818cf8;--primary-dark:#6366f1;--primary-soft:#2b2d5e;--on-primary:#1e1b4b;--secondary:#a5b4fc;--green:#4ade80;--green-soft:#143224;--red:#f87171;--red-soft:#3d1a1a;--amber:#fbbf24;--amber-soft:#3a2c10;--border:#3b3e77;--border-soft:#2a2c55;--shadow-sm:0 1px 2px #0006;--shadow-md:0 4px 12px #00000073;--shadow-lg:0 8px 24px #00000080;--nav-bg:#12132beb;--surface-tint:#22244a}body{background:var(--bg);color:var(--text-body);font-family:Open Sans,Segoe UI,system-ui,sans-serif;font-size:16px;line-height:1.6}h1,h2,h3,h4{color:var(--text);letter-spacing:-.01em;font-family:Poppins,Segoe UI,system-ui,sans-serif;line-height:1.3}h1{font-size:1.6rem;font-weight:700}h2{font-size:1.2rem;font-weight:600}h3{font-size:1.05rem;font-weight:600}a{color:var(--primary);text-decoration:none}:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}.container{max-width:960px;padding:var(--space-4) var(--space-3);padding-left:max(var(--space-3), env(safe-area-inset-left));padding-right:max(var(--space-3), env(safe-area-inset-right));margin:0 auto}.sidebar{background:var(--nav-bg);-webkit-backdrop-filter:blur(8px);border-right:1px solid var(--border-soft);width:232px;padding:14px 12px;padding-left:max(12px, env(safe-area-inset-left));z-index:100;flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0;overflow-y:auto}.sidebar .brand{color:var(--text);white-space:nowrap;align-items:center;gap:8px;padding:4px 10px 14px;font-family:Poppins,sans-serif;font-size:1.05rem;font-weight:700;display:flex}.side-nav{flex-direction:column;flex:1;gap:2px;display:flex}.sidebar a.nav-link{color:var(--muted);white-space:nowrap;border-radius:var(--radius,10px);min-height:40px;transition:color var(--dur) var(--ease), background var(--dur) var(--ease);align-items:center;gap:10px;padding:9px 10px;font-size:.95rem;font-weight:600;display:flex}.sidebar a.nav-link:hover{color:var(--primary);background:var(--bg)}.sidebar a.nav-link.router-link-active{color:var(--primary);background:var(--primary-soft)}.sidebar .nav-link .icon{flex-shrink:0}.side-bottom{border-top:1px solid var(--border-soft);flex-direction:column;gap:2px;margin-top:10px;padding-top:12px;display:flex}.topbar{z-index:60;padding:10px var(--space-3);padding-right:max(var(--space-3), env(safe-area-inset-right));background:var(--nav-bg);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--border-soft);align-items:center;gap:12px;min-height:56px;display:flex;position:sticky;top:0}.topbar .spacer{flex:1}.topbar .brand{color:var(--text);white-space:nowrap;align-items:center;gap:6px;font-family:Poppins,sans-serif;font-size:1.05rem;font-weight:700;display:none}.with-sidebar .main-area{margin-left:232px}.menu-btn,.menu-backdrop{display:none}@media (width<=1024px){.with-sidebar .main-area{margin-left:0}.sidebar{visibility:hidden;width:264px;transition:transform .22s var(--ease,ease), visibility 0s .22s;transform:translate(-100%);box-shadow:12px 0 32px #312e811f}.sidebar.open{visibility:visible;transition:transform .22s var(--ease,ease), visibility 0s 0s;transform:none}.topbar .brand{display:inline-flex}.menu-btn{border-radius:var(--radius,10px);min-width:44px;min-height:44px;color:var(--text);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;margin:-6px 0;display:inline-flex}.menu-btn:active{background:var(--border-soft)}.menu-backdrop{z-index:90;background:#312e8140;display:block;position:fixed;inset:0}}.card{background:var(--card);border:1px solid var(--border-soft);border-radius:var(--radius);padding:var(--space-4);margin-bottom:var(--space-3);box-shadow:var(--shadow-sm);transition:border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease)}.card h2{margin-bottom:var(--space-2)}.card h3{margin-bottom:6px}a.card{cursor:pointer}a.card:hover{border-color:var(--border);box-shadow:var(--shadow-md);transform:translateY(-2px)}a.card:active{transform:translateY(0)scale(.99)}.grid{gap:var(--space-3);grid-template-columns:repeat(auto-fill,minmax(260px,1fr));display:grid}.btn{background:var(--primary);color:var(--on-primary);border-radius:var(--radius-sm);cursor:pointer;min-height:44px;box-shadow:var(--shadow-sm);transition:background var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);border:none;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-family:inherit;font-size:1rem;font-weight:600;display:inline-flex}.btn:hover{background:var(--primary-dark);box-shadow:var(--shadow-md)}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none}.btn.secondary{color:var(--primary);border:1px solid var(--primary);box-shadow:none;background:0 0}.btn.secondary:hover{background:var(--primary-soft)}.btn.danger{background:var(--red);color:#fff}.btn.danger:hover{background:#b91c1c}.btn.small{min-height:40px;padding:8px 14px;font-size:.85rem}label{margin-bottom:var(--space-1);color:var(--text);font-size:.9rem;font-weight:600;display:block}input,textarea,select{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--card);width:100%;min-height:44px;color:var(--text-body);transition:border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);margin-bottom:14px;padding:10px 12px;font-family:inherit;font-size:1rem}textarea{min-height:auto}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft);outline:none}::placeholder{color:var(--muted);opacity:1}input:disabled,textarea:disabled,select:disabled{opacity:.6;cursor:not-allowed}option{background:var(--card);color:var(--text-body)}input:-webkit-autofill{-webkit-box-shadow:0 0 0 1000px var(--card) inset;-webkit-text-fill-color:var(--text-body);caret-color:var(--text-body)}input:-webkit-autofill:hover{-webkit-box-shadow:0 0 0 1000px var(--card) inset;-webkit-text-fill-color:var(--text-body);caret-color:var(--text-body)}input:-webkit-autofill:focus{-webkit-box-shadow:0 0 0 1000px var(--card) inset;-webkit-text-fill-color:var(--text-body);caret-color:var(--text-body)}:root[data-theme=dark] ::-webkit-calendar-picker-indicator{filter:invert()}.badge{border-radius:999px;align-items:center;gap:4px;padding:2px 10px;font-size:.78rem;font-weight:700;display:inline-flex}.icon-inline{vertical-align:-.125em}h1 .icon-inline,h2 .icon-inline{color:var(--primary);margin-right:4px}.badge.blue{background:var(--primary-soft);color:var(--primary-dark)}.badge.green{background:var(--green-soft);color:#15803d}.badge.amber{background:var(--amber-soft);color:var(--amber)}.badge.gray{background:var(--border-soft);color:var(--muted)}.badge.red{background:var(--red-soft);color:var(--red)}.muted{color:var(--muted);font-size:.9rem}.error-msg{color:var(--red);margin-bottom:12px;font-size:.92rem}.info-msg{background:var(--primary-soft);color:var(--text);border-radius:var(--radius-sm);margin-bottom:12px;padding:10px 14px;font-size:.92rem}.success-msg{color:var(--green);margin-bottom:12px;font-size:.92rem}.progress-bar{background:var(--border-soft);height:8px;margin:var(--space-2) 0;border-radius:999px;overflow:hidden}.progress-bar>div{background:linear-gradient(90deg, var(--primary), var(--secondary));height:100%;transition:width .4s var(--ease);border-radius:999px}.auth-wrap{max-width:400px;padding:0 var(--space-3);margin:60px auto}.auth-wrap .card{padding:var(--space-5)}.auth-wrap h1{text-align:center;margin-bottom:var(--space-1);font-size:1.4rem}.auth-wrap .sub{text-align:center;color:var(--muted);margin-bottom:20px;font-size:.92rem}.auth-logo{background:var(--primary-soft);width:56px;height:56px;color:var(--primary);border-radius:16px;justify-content:center;align-items:center;margin:0 auto 10px;display:flex}.pass-wrap{position:relative}.pass-wrap input{padding-right:42px}.pass-toggle{width:32px;height:32px;color:var(--muted);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;justify-content:center;align-items:center;display:flex;position:absolute;top:7px;right:6px}.pass-toggle:hover{color:var(--text);background:var(--border-soft)}.caps-warn{color:var(--amber);margin:-8px 0 10px;font-size:.82rem}.strength{align-items:center;gap:10px;margin:-8px 0 12px;font-size:.82rem;font-weight:600;display:flex}.strength-bar{background:var(--border-soft);border-radius:999px;flex:1;height:6px;overflow:hidden}.strength-bar>div{height:100%;transition:width .25s var(--ease), background .25s var(--ease);border-radius:999px}.field-hint{margin:-8px 0 12px;font-size:.82rem}.field-hint.bad{color:var(--red)}.field-hint.good{color:var(--green)}.btn-spinner{border:2px solid color-mix(in srgb, var(--on-primary) 40%, transparent);border-top-color:var(--on-primary);vertical-align:-2px;border-radius:50%;width:15px;height:15px;margin-right:6px;animation:.7s linear infinite btn-spin;display:inline-block}@keyframes btn-spin{to{transform:rotate(360deg)}}.lesson-content{white-space:pre-wrap}.lesson-content h2,.lesson-content h3{margin:12px 0 6px}.option{border:1px solid var(--border-soft);border-radius:var(--radius-sm);min-height:44px;margin-bottom:var(--space-2);cursor:pointer;transition:border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);align-items:center;gap:10px;padding:12px 14px;display:flex}.option:hover{border-color:var(--primary);background:var(--surface-tint)}.option:active{transform:scale(.99)}.option.selected{border-color:var(--primary);background:var(--primary-soft)}.option.correct{border-color:var(--green);background:var(--green-soft)}.option.wrong{border-color:var(--red);background:var(--red-soft)}.option input{width:auto;min-height:auto;accent-color:var(--primary);margin:0}.question-block{border-top:1px solid var(--border-soft);padding-top:var(--space-3);margin-top:var(--space-3)}.passage{background:var(--surface-tint);border:1px solid var(--border-soft);border-radius:var(--radius-sm);padding:var(--space-3);overflow-wrap:anywhere;margin:12px 0;font-size:.97rem}.timer{font-variant-numeric:tabular-nums;color:var(--primary-dark);font-weight:700}.timer.warning{color:var(--red)}table.simple{border-collapse:collapse;width:100%}@media (width<=1024px){table.simple.wide{-webkit-overflow-scrolling:touch;display:block;overflow-x:auto}}table.simple th,table.simple td{text-align:left;border-bottom:1px solid var(--border-soft);padding:10px;font-size:.93rem}table.simple th{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:.8rem;font-weight:600}table.simple td{font-variant-numeric:tabular-nums}.result-hero{text-align:center;padding:var(--space-5) var(--space-3)}.result-hero .cefr{background:linear-gradient(135deg, var(--primary), var(--secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-family:Poppins,sans-serif;font-size:3rem;font-weight:700}.result-hero .pct{color:var(--muted);font-size:1.3rem}@media (width<=480px){.container{padding:var(--space-3) 12px}.card{padding:var(--space-3)}h1{font-size:1.35rem}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}