:root{--bg:#f4f6fb;--card:#fff;--card-2:#eef2f9;--text:#0f172a;--muted:#52607a;--border:#d4dcea;--accent:#1d4ed8;--accent-text:#fff;--accent-soft:#e6edff;--good:#11672f;--good-bg:#e8f6ed;--good-line:#1f8a4a;--bad:#a3121a;--bad-bg:#fdecec;--bad-line:#cf3b43;--warn-bg:#fff6e3;--warn-line:#b6821a;--code-bg:#0f172a;--code-text:#e2e8f0;--focus:#1d4ed8;--shadow:0 1px 2px #0f172a0f, 0 8px 24px #0f172a0d;--bar-h:60px;--safe-b:env(safe-area-inset-bottom,0px);--safe-t:env(safe-area-inset-top,0px);--safe-l:env(safe-area-inset-left,0px);--safe-r:env(safe-area-inset-right,0px)}@media (prefers-color-scheme:dark){:root{--bg:#0b1220;--card:#141d31;--card-2:#1b2640;--text:#e8eef9;--muted:#a3b2cb;--border:#2a3752;--accent:#2f6df6;--accent-text:#fff;--accent-soft:#16264a;--good:#7ee2a8;--good-bg:#11291e;--good-line:#2f7d55;--bad:#ff9d9d;--bad-bg:#2d1417;--bad-line:#a8434a;--warn-bg:#2b2210;--warn-line:#8e7127;--code-bg:#060b16;--code-text:#dbe5f5;--focus:#7fa9ff;--shadow:0 1px 2px #0006}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}html,body{overscroll-behavior-y:none;max-width:100%;margin:0;padding:0;overflow-x:hidden}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.5}button,input,textarea,select{font-family:inherit}input,textarea,select{font-size:16px}:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px}@media (prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation-duration:.01ms!important}}.app{flex-direction:column;min-height:100dvh;display:flex}.page{width:100%;max-width:640px;padding:calc(14px + var(--safe-t)) calc(16px + var(--safe-r)) 24px calc(16px + var(--safe-l));flex:1;margin:0 auto}.page.with-nav{padding-bottom:calc(var(--bar-h) + var(--safe-b) + 24px)}.page.with-action{padding-bottom:calc(96px + var(--safe-b))}.stack{flex-direction:column;gap:14px;display:flex}.stack-s{flex-direction:column;gap:8px;display:flex}h1.title{letter-spacing:-.015em;margin:4px 0 2px;font-size:26px;line-height:1.2}h2.section{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:18px 0 0;font-size:15px}p.sub{color:var(--muted);margin:0;font-size:15px}.card{background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:16px;padding:16px}.card.flat{box-shadow:none}.btn{cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation;border:1px solid #0000;border-radius:14px;justify-content:center;align-items:center;gap:8px;width:100%;min-height:52px;padding:12px 18px;font-size:17px;font-weight:600;text-decoration:none;display:flex}.btn-primary{background:var(--accent);color:var(--accent-text)}.btn-primary:disabled{opacity:.45;cursor:not-allowed}.btn-secondary{background:var(--card);color:var(--text);border-color:var(--border)}.btn-danger{background:var(--card);color:var(--bad);border-color:var(--bad-line)}.btn-row{gap:10px;display:flex}.btn-row>*{flex:1}.link-btn{min-height:44px;color:var(--accent);cursor:pointer;text-align:left;background:0 0;border:none;padding:10px 0;font-size:15px;font-weight:600}.nav{z-index:30;background:var(--card);border-top:1px solid var(--border);padding-bottom:var(--safe-b);display:flex;position:fixed;bottom:0;left:0;right:0}.nav a{min-height:var(--bar-h);color:var(--muted);-webkit-tap-highlight-color:transparent;flex-direction:column;flex:1 1 0;justify-content:center;align-items:center;gap:3px;font-size:11px;font-weight:600;text-decoration:none;display:flex}.nav a[aria-current=page]{color:var(--accent)}.nav svg{width:23px;height:23px}.nav .badge{background:var(--bad-line);color:#fff;border-radius:999px;padding:3px 5px;font-size:10px;font-weight:700;line-height:1;position:absolute;transform:translate(16px,-14px)}.actionbar{z-index:30;background:var(--card);border-top:1px solid var(--border);padding:10px calc(16px + var(--safe-r)) calc(10px + var(--safe-b)) calc(16px + var(--safe-l));position:fixed;bottom:0;left:0;right:0}.actionbar>div{max-width:640px;margin:0 auto}.progress-row{color:var(--muted);font-variant-numeric:tabular-nums;align-items:center;gap:12px;font-size:14px;display:flex}.progress{background:var(--border);border-radius:999px;flex:1;height:8px;overflow:hidden}.progress>span{background:var(--accent);border-radius:999px;height:100%;transition:width .25s;display:block}.chip{background:var(--card-2);color:var(--muted);border-radius:999px;padding:4px 10px;font-size:13px;font-weight:600;display:inline-block}.chip-row{flex-wrap:wrap;gap:8px;display:flex}.qprompt{margin:10px 0 0;font-size:19px;font-weight:600;line-height:1.45}.code{background:var(--code-bg);color:var(--code-text);-webkit-overflow-scrolling:touch;border-radius:12px;max-width:100%;margin:14px 0 0;padding:12px 14px;overflow-x:auto}.code pre{white-space:pre-wrap;overflow-wrap:anywhere;tab-size:2;margin:0;font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:13.5px;line-height:1.6}.options{flex-direction:column;gap:10px;margin-top:18px;display:flex}.option{text-align:left;border:2px solid var(--border);background:var(--card);width:100%;min-height:52px;color:var(--text);cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation;border-radius:14px;align-items:flex-start;gap:12px;padding:13px 14px;font-size:16px;line-height:1.45;display:flex}.option:disabled{cursor:default}.option .mark{border:2px solid var(--border);border-radius:50%;flex:0 0 26px;place-items:center;width:26px;height:26px;margin-top:1px;font-size:15px;font-weight:800;line-height:1;display:grid}.option .otext{overflow-wrap:anywhere;min-width:0}.why-item .olabel.mono{overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:13.5px;font-weight:600}.option .otext.mono{font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:13.5px;line-height:1.5}.option .otext code,.inline-code{background:var(--card-2);border-radius:5px;padding:1px 5px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.95em}.option.selected{border-color:var(--accent);background:var(--accent-soft)}.option.selected .mark{border-color:var(--accent);background:var(--accent);color:var(--accent-text)}.option.is-correct{border-color:var(--good-line);background:var(--good-bg)}.option.is-correct .mark{border-color:var(--good-line);background:var(--good-line);color:#fff}.option.is-wrong{border-color:var(--bad-line);background:var(--bad-bg)}.option.is-wrong .mark{border-color:var(--bad-line);background:var(--bad-line);color:#fff}.feedback{border:1px solid var(--border);background:var(--card);border-radius:16px;margin-top:18px;padding:16px}.verdict{align-items:center;gap:10px;margin:0 0 4px;font-size:18px;font-weight:700;display:flex}.verdict.good{color:var(--good)}.verdict.bad{color:var(--bad)}.verdict .dot{color:#fff;border-radius:50%;flex:0 0 28px;place-items:center;width:28px;height:28px;font-size:16px;display:grid}.verdict.good .dot{background:var(--good-line)}.verdict.bad .dot{background:var(--bad-line)}.why{border-top:1px solid var(--border);margin-top:12px;padding-top:12px}.why h3{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 8px;font-size:13px}.why-item{gap:10px;padding:8px 0;font-size:15px;line-height:1.5;display:flex}.why-item+.why-item{border-top:1px dashed var(--border)}.why-item .tag{flex:none;font-size:13px;font-weight:800}.why-item.ok .tag{color:var(--good)}.why-item.no .tag{color:var(--bad)}.why-item .body{overflow-wrap:anywhere;min-width:0}.why-item .body b{font-weight:650;display:block}.why-item .body span{color:var(--muted)}.hint{background:var(--accent-soft);border:1px solid var(--border);border-radius:12px;margin-top:14px;padding:12px 14px;font-size:15px}.tile{border:1px solid var(--border);background:var(--card);width:100%;min-height:60px;color:var(--text);text-align:left;cursor:pointer;border-radius:14px;align-items:center;gap:14px;padding:13px 14px;text-decoration:none;display:flex}.tile .grow{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.tile .name{font-size:16px;font-weight:650}.tile .meta{color:var(--muted);font-size:13.5px}.tile .count{color:var(--muted);font-variant-numeric:tabular-nums;font-size:14px}.tile .arrow{color:var(--muted)}.empty{text-align:center;color:var(--muted);padding:28px 16px}.empty .big{margin-bottom:10px;font-size:40px;line-height:1}.banner{background:var(--accent-soft);border:1px solid var(--accent);color:var(--text);border-radius:14px;align-items:center;gap:12px;padding:14px;text-decoration:none;display:flex}.banner .grow{flex:1;min-width:0}.banner strong{display:block}.banner small{color:var(--muted)}.notice{background:var(--card-2);border:1px solid var(--border);color:var(--text);border-radius:12px;padding:12px 14px;font-size:15px}.big-number{letter-spacing:-.03em;font-variant-numeric:tabular-nums;font-size:44px;font-weight:800;line-height:1}.row-between{justify-content:space-between;align-items:center;gap:12px;display:flex}.score-ring{border:8px solid var(--accent);font-variant-numeric:tabular-nums;border-radius:50%;place-items:center;width:108px;height:108px;margin:4px auto 0;font-size:30px;font-weight:800;display:grid}.review-item{border-top:1px solid var(--border)}.review-item .head{text-align:left;width:100%;min-height:52px;color:var(--text);cursor:pointer;background:0 0;border:none;align-items:flex-start;gap:12px;padding:14px 0;font-size:16px;display:flex}.review-item .mark{color:#fff;border-radius:50%;flex:0 0 28px;place-items:center;width:28px;height:28px;font-size:14px;font-weight:700;display:grid}.review-item.ok .mark{background:var(--good-line)}.review-item.no .mark{background:var(--bad-line)}.review-item .text{overflow-wrap:anywhere;flex:1;gap:3px;min-width:0;display:grid}.review-item .text span{color:var(--muted);font-size:15px}.review-item .feedback{margin-bottom:14px}.pagehead{align-items:center;gap:8px;display:flex}.pagehead .back{width:44px;height:44px;color:var(--text);cursor:pointer;background:0 0;border:none;border-radius:12px;flex:0 0 44px;place-items:center;margin-left:-10px;display:grid}.pagehead h1{letter-spacing:-.02em;overflow-wrap:anywhere;flex:1;min-width:0;margin:0;font-size:22px;font-weight:800}.pagehead .right{flex:none;align-items:center;display:flex}.clock{background:var(--card-2);border:1px solid var(--border);font-variant-numeric:tabular-nums;border-radius:999px;align-items:center;gap:6px;min-height:40px;padding:8px 14px;font-weight:700;display:inline-flex}.clock.low{background:var(--bad-bg);border-color:var(--bad-line);color:var(--bad)}.flagbtn{border:1px solid var(--border);width:44px;height:44px;color:var(--muted);cursor:pointer;background:0 0;border-radius:12px;place-items:center;display:grid}.flagbtn.on{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.notice.good{background:var(--good-bg);border-color:var(--good-line)}.notice.bad{background:var(--bad-bg);border-color:var(--bad-line)}.notice.warn{background:var(--warn-bg);border-color:var(--warn-line)}.tile.flat{border:none;border-top:1px solid var(--border);box-shadow:none;background:0 0;border-radius:0;padding:12px 0}textarea{border:1px solid var(--border);background:var(--card-2);width:100%;min-height:96px;color:var(--text);resize:vertical;border-radius:12px;margin:8px 0;padding:12px;font-family:inherit}details summary{min-height:44px;color:var(--accent);cursor:pointer;align-items:center;font-weight:600;display:flex}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.update-toast{left:12px;right:12px;bottom:calc(var(--bar-h) + var(--safe-b) + 12px);z-index:40;background:var(--text);color:var(--bg);box-shadow:var(--shadow);border-radius:14px;align-items:center;gap:12px;padding:12px 14px;font-size:15px;display:flex;position:fixed}.update-toast button{background:var(--accent);min-height:40px;color:var(--accent-text);cursor:pointer;border:none;border-radius:10px;margin-left:auto;padding:8px 14px;font-weight:700}.steps{margin:0;padding-left:20px}.steps li{margin-bottom:6px}.steps li:last-child{margin-bottom:0}
