:root{--paper:var(--tg-theme-bg-color,#f7f2e6);--ink:var(--tg-theme-text-color,#1d1a15);--hint:var(--tg-theme-hint-color,#84796a);--accent:var(--tg-theme-button-color,#a8321c);--accent-ink:var(--tg-theme-button-text-color,#fff8ec);--card:var(--tg-theme-secondary-bg-color,#eee6d3);--ok:#1d8656;--bad:#cc3d27;--rule:color-mix(in srgb, var(--ink) 9%, transparent);--line:color-mix(in srgb, var(--ink) 16%, transparent);--serif:"Literata", Georgia, "Times New Roman", serif;--mono:"Martian Mono", ui-monospace, Menlo, monospace}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{-webkit-text-size-adjust:100%}body{background:var(--paper);color:var(--ink);font:400 17px/1.5 var(--serif);overflow-wrap:anywhere;margin:0}#app{max-width:620px;min-height:100vh;min-height:var(--tg-viewport-stable-height,100vh);padding:20px 18px calc(28px + env(safe-area-inset-bottom));margin:0 auto}h1,h2,p{margin:0}button,input,textarea{font:inherit;color:inherit}button{cursor:pointer;background:0 0;border:0;padding:0}button:disabled{cursor:default}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.label{font:600 10.5px/1.4 var(--mono);letter-spacing:.09em;text-transform:uppercase;color:var(--hint)}.mono{font-family:var(--mono);font-size:.8em}.hint{color:var(--hint);font-size:15px}.stack{gap:12px;display:grid}.masthead{border-bottom:2px solid var(--ink);margin-bottom:18px;padding:6px 0 18px}.masthead h1{letter-spacing:-.012em;margin-top:6px;font-size:31px;font-weight:700;line-height:1.12}.tabs{border-bottom:1px solid var(--line);scrollbar-width:none;gap:20px;margin-bottom:18px;display:flex;overflow-x:auto}.tabs a{font:600 11px/1.4 var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--hint);white-space:nowrap;border-bottom:2px solid #0000;margin-bottom:-1px;padding:8px 0 10px;text-decoration:none}.tabs a[aria-current=page]{color:var(--ink);border-color:var(--accent)}.row{text-align:left;border-bottom:1px solid var(--line);align-items:center;gap:14px;width:100%;padding:15px 2px;display:flex}a.row{color:inherit;text-decoration:none}.row .grow{flex:1;min-width:0}.row .title{font-weight:600;line-height:1.3}.row .chev{color:var(--hint);font-family:var(--mono)}.list{border-top:1px solid var(--line);animation:.28s both rise}.notice{border:1.5px solid var(--accent);border-radius:3px;gap:10px;margin-bottom:20px;padding:15px 16px;display:grid}.notice .title{font-size:18px;font-weight:700;line-height:1.3}.actions{flex-wrap:wrap;gap:10px;display:flex}.btn{font:600 12px/1.3 var(--mono);letter-spacing:.03em;border:1.5px solid var(--line);border-radius:3px;min-height:44px;padding:12px 18px}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn.danger{color:var(--bad);border-color:color-mix(in srgb,var(--bad) 45%,transparent)}.btn.small{min-height:36px;padding:7px 11px;font-size:11px}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.45}.sheet-page{min-height:inherit;flex-direction:column;display:flex}.paper{background-image:repeating-linear-gradient(to bottom,transparent 0 31px,var(--rule) 31px 32px);background-position:0 8px;flex:1}.topbar{justify-content:space-between;align-items:center;gap:12px;padding-bottom:12px;display:flex}.topbar .num{font:600 13px/1 var(--mono)}.topbar .num b{color:var(--accent);font-size:21px}.icon-btn{min-width:44px;min-height:44px;font:600 11px/1 var(--mono);border:1.5px solid var(--line);border-radius:3px;place-items:center;padding:0 10px;display:inline-grid}.timer{font:600 14px/1 var(--mono);color:var(--accent)}.timer.low{color:var(--bad);animation:1s ease-in-out infinite pulse}.progress{background:var(--line);height:3px;margin-bottom:8px}.progress i{background:var(--accent);height:100%;transition:width .25s;display:block}.tally{justify-content:space-between;margin-bottom:22px;display:flex}.tally span{font:600 11px/1.3 var(--mono)}.tally .good{color:var(--ok)}.tally .wrong{color:var(--bad)}.question{margin-bottom:24px;font-size:21px;font-weight:600;line-height:32px;animation:.22s both rise}.options{gap:4px;display:grid}.option,.options{background:var(--paper)}.option{text-align:left;border-radius:3px;align-items:flex-start;gap:14px;width:100%;min-height:56px;padding:12px 8px;transition:background .15s,opacity .2s;display:flex}.option:not(:disabled):active{background:var(--card)}.bubble{border:1.5px solid var(--ink);width:32px;height:32px;font:600 12px/1 var(--mono);border-radius:50%;flex:none;place-items:center;transition:background .15s,color .15s,border-color .15s,transform .18s;display:grid}.option .text{padding-top:3px;line-height:1.4}.option.dim{opacity:.42}.option.is-correct .bubble{background:var(--ok);border-color:var(--ok);color:#fff;transform:scale(1.08)}.option.is-correct .text{font-weight:600}.option.is-wrong .bubble{background:var(--bad);border-color:var(--bad);color:#fff}.option.is-wrong .text{text-decoration:line-through;text-decoration-thickness:1px}.feedback{background:var(--paper);font:600 12px/1.4 var(--mono);min-height:34px;padding-top:16px}.feedback.good{color:var(--ok)}.feedback.wrong{color:var(--bad)}.footer{padding:14px 0 calc(10px + env(safe-area-inset-bottom));background:var(--paper);grid-template-columns:auto 1fr;gap:10px;margin-top:20px;display:grid;position:sticky;bottom:0}.overlay{background:color-mix(in srgb,var(--ink) 45%,transparent);z-index:10;align-items:flex-end;animation:.18s both fade;display:flex;position:fixed;inset:0}.drawer{background:var(--paper);width:100%;max-width:620px;max-height:78vh;padding:18px 18px calc(18px + env(safe-area-inset-bottom));border-top:2px solid var(--ink);flex-direction:column;margin:0 auto;animation:.22s both up;display:flex}.drawer-head{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.grid{grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:7px;padding:2px;display:grid;overflow-y:auto}.cell{aspect-ratio:1;border:1.5px solid var(--line);font:600 10px/1 var(--mono);color:var(--hint);border-radius:50%}.cell.ok{background:var(--ok);border-color:var(--ok);color:#fff}.cell.bad{background:var(--bad);border-color:var(--bad);color:#fff}.cell.skipped{border-color:var(--hint);color:var(--ink)}.cell.now{border-color:var(--accent);color:var(--accent);border-width:2.5px}.result{text-align:center;padding-top:34px}.stamp{border:5px double var(--accent);width:196px;height:196px;color:var(--accent);border-radius:50%;align-content:center;place-items:center;margin:26px 0 24px;animation:.42s cubic-bezier(.2,1.5,.4,1) both stamp;display:inline-grid;transform:rotate(-7deg)}.stamp b{font:600 46px/1 var(--mono);letter-spacing:-.04em}.stamp span{font:600 10.5px/1.3 var(--mono);letter-spacing:.1em;text-transform:uppercase;margin-top:7px}.result .score{font-size:19px;font-weight:600}.result .actions{justify-content:center;margin-top:26px}.field{gap:6px;display:grid}.input{border:1.5px solid var(--line);background:0 0;border-radius:3px;width:100%;min-height:46px;padding:12px}.input:focus{border-color:var(--accent);outline:none}textarea.input{resize:vertical;min-height:92px}.answer-row{align-items:center;gap:10px;display:flex}.answer-row .bubble{background:0 0}.answer-row .bubble[aria-pressed=true]{background:var(--ok);border-color:var(--ok);color:#fff}.inline-form{gap:10px;margin-bottom:16px;display:flex}.inline-form .input{flex:1;min-width:0}.toggle{border:1.5px solid var(--ink);border-radius:50%;flex:none;width:26px;height:26px;transition:background .15s}.toggle[aria-checked=true]{background:var(--ok);border-color:var(--ok);box-shadow:inset 0 0 0 4px var(--paper)}.state{text-align:center;gap:12px;padding:60px 8px;display:grid}.state .big{font-size:24px;font-weight:700;line-height:1.25}.loader{border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;width:34px;height:34px;margin:90px auto;animation:.8s linear infinite spin}#toast{left:50%;bottom:calc(92px + env(safe-area-inset-bottom));background:var(--ink);color:var(--paper);width:max-content;max-width:88vw;font:600 12px/1.45 var(--mono);opacity:0;pointer-events:none;z-index:20;border-radius:3px;padding:10px 14px;transition:opacity .18s,transform .18s;position:fixed;transform:translate(-50%,12px)}#toast.on{opacity:1;transform:translate(-50%)}@keyframes rise{0%{opacity:0;transform:translateY(6px)}}@keyframes fade{0%{opacity:0}}@keyframes up{0%{transform:translateY(24px)}}@keyframes spin{to{transform:rotate(1turn)}}@keyframes pulse{50%{opacity:.55}}@keyframes stamp{0%{opacity:0;transform:rotate(-7deg)scale(1.7)}}@media (prefers-reduced-motion:reduce){*,:after,:before{transition-duration:.01ms!important;animation-duration:.01ms!important}}.link-btn{color:inherit;justify-content:center;align-items:center;text-decoration:none;display:inline-flex}.btn.primary.link-btn{color:var(--accent-ink)}a.icon-btn{color:inherit;text-decoration:none}.h-small{font-size:24px!important}.h-result{margin-top:8px;font-size:22px}.last-result{margin-bottom:16px}.list-label{margin:6px 0 8px}.list-label.spaced,.toolbar.spaced{margin-top:22px}.toolbar{margin-bottom:16px}.quiz-card{display:block}.quiz-card .stats{margin:2px 0 10px}.result .weak{margin-top:10px}