.bp-wrap,.chk-wrap{--c-ok:var(--success, #3ecf8e);--c-bad:var(--danger, #ef6a5e);--c-tint:color-mix(in srgb, var(--accent) 11%, transparent);--c-tint2:color-mix(in srgb, var(--accent) 20%, transparent);--c-line:color-mix(in srgb, var(--accent) 42%, transparent);--c-ok-tint:color-mix(in srgb, var(--c-ok) 13%, transparent);--c-bad-tint:color-mix(in srgb, var(--c-bad) 12%, transparent);--c-shadow:0 18px 40px -22px color-mix(in srgb, #000 55%, transparent);--c-radius:16px;-webkit-tap-highlight-color:transparent}.bp-wrap,.bp-wrap *,.chk-wrap,.chk-wrap *{box-sizing:border-box}.bp-wrap a,.bp-wrap button,.bp-wrap code,.chk-wrap button{font-family:inherit}.bp-wrap button,.chk-wrap button{touch-action:manipulation}.bp-wrap svg,.chk-wrap svg{display:block}body.chk-locked{overflow:hidden}@keyframes chk-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes chk-pop{0%{transform:scale(.94)}60%{transform:scale(1.03)}100%{transform:scale(1)}}.chk-wrap{position:fixed;inset:0;z-index:10050;display:none;flex-direction:column;background:radial-gradient(120% 60% at 15% -10%,color-mix(in srgb,var(--accent) 16%,transparent),transparent 60%),radial-gradient(90% 50% at 100% 100%,color-mix(in srgb,var(--accent) 7%,transparent),transparent 65%),var(--bg);background-attachment:fixed;color:var(--text-primary)}.chk-wrap.open{display:flex}.chk-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:calc(12px + env(safe-area-inset-top)) 16px 12px;border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--bg-card) 88%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);flex:none}.chk-head-main{min-width:0}.chk-eyebrow{font-size:.66rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--accent);margin-bottom:3px}.chk-title{font-size:1rem;font-weight:650;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chk-sub{font-size:.76rem;color:var(--text-muted);margin-top:2px}.chk-head-side{display:flex;align-items:center;gap:10px;flex:none}.chk-scorepill{display:flex;align-items:baseline;gap:3px;padding:6px 11px;border-radius:999px;background:var(--c-tint);border:1px solid var(--c-line);font-variant-numeric:tabular-nums}.chk-scorepill b{font-size:.95rem;font-weight:700;color:var(--text-primary)}.chk-scorepill span{font-size:.72rem;color:var(--text-muted)}.chk-close{display:flex;align-items:center;justify-content:center;width:36px;height:36px;flex:none;padding:0;cursor:pointer;background:var(--bg);border:1px solid var(--border);border-radius:50%;color:var(--text-secondary);transition:color .15s,border-color .15s,background .15s}.chk-close:hover{color:var(--text-primary);border-color:var(--accent)}.chk-bar{height:3px;background:var(--border);flex:none}.chk-bar span{display:block;height:100%;border-radius:0 3px 3px 0;background:linear-gradient(90deg,var(--accent),color-mix(in srgb,var(--accent) 65%,#fff));transition:width .35s cubic-bezier(.3, .8, .3, 1)}.chk-body{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:20px 16px 28px;display:flex;align-items:flex-start;justify-content:center}.chk-card{width:100%;max-width:680px;background:color-mix(in srgb,var(--bg-card) 94%,var(--accent) 6%);border:1px solid var(--border);border-radius:var(--c-radius);padding:22px;box-shadow:var(--c-shadow);animation:.26s ease-out both chk-in}.chk-wrap.chk-same .chk-card{animation:none}.chk-empty{font-size:.88rem;color:var(--text-secondary);line-height:1.6}.chk-muted{color:var(--text-muted)}.chk-state{display:flex;flex-direction:column;align-items:center;text-align:center;padding:14px 6px 4px}.chk-state-icon{width:52px;height:52px;border-radius:16px;margin-bottom:14px;display:flex;align-items:center;justify-content:center;background:var(--c-tint);border:1px solid var(--c-line);color:var(--accent)}.chk-state .chk-report-actions{justify-content:center}.chk-spinner{width:26px;height:26px;border-radius:50%;margin-bottom:14px;border:3px solid var(--border);border-top-color:var(--accent);animation:.8s linear infinite chk-spin}@keyframes chk-spin{to{transform:rotate(360deg)}}.chk-intro-lead{font-size:1.3rem;font-weight:700;letter-spacing:-.02em;line-height:1.25;margin-bottom:6px}.chk-intro-body{font-size:.88rem;line-height:1.6;color:var(--text-secondary)}.chk-intro-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0 6px}.chk-stat{display:flex;flex-direction:column;gap:2px;padding:12px 14px;border-radius:12px;background:var(--bg);border:1px solid var(--border);transition:border-color .2s,transform .2s}.chk-stat:hover{border-color:var(--c-line);transform:translateY(-1px)}.chk-stat b{font-size:1.45rem;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.chk-stat span{font-size:.68rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em}.chk-how{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-direction:column;gap:12px}.chk-how li{display:flex;gap:12px;align-items:flex-start;font-size:.85rem;line-height:1.5;color:var(--text-secondary)}.chk-how li b{color:var(--text-primary);font-weight:600}.chk-how-n{flex:none;width:24px;height:24px;border-radius:8px;margin-top:1px;display:flex;align-items:center;justify-content:center;background:var(--c-tint2);border:1px solid var(--c-line);color:var(--accent);font-size:.76rem;font-weight:700}.chk-trial{display:flex;gap:10px;align-items:flex-start;margin-top:18px;padding:11px 13px;border-radius:12px;background:var(--c-tint);border:1px solid var(--c-line);font-size:.82rem;line-height:1.5;color:var(--text-secondary)}.chk-trial svg{flex:none;margin-top:1px;color:var(--accent)}.chk-qmeta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-bottom:16px}.chk-qno{min-width:42px;height:34px;padding:0 9px;margin-right:4px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:var(--accent);color:#fff;font-size:.95rem;font-weight:700;letter-spacing:-.01em}.chk-chip{font-size:.72rem;font-weight:500;padding:4px 10px;border-radius:999px;border:1px solid var(--border);color:var(--text-secondary);background:var(--bg)}.chk-chip-chapter{border-color:var(--c-line);color:var(--accent);background:var(--c-tint)}.chk-answer{position:relative;border:1px solid var(--border);border-radius:12px;padding:14px 16px 14px 18px;background:var(--bg);margin-bottom:20px;overflow:hidden}.chk-answer::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent)}.chk-answer-label{display:flex;align-items:center;gap:6px;font-size:.66rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:8px}.chk-answer-label svg{color:var(--accent)}.chk-answer-text{font-size:.9rem;line-height:1.65;white-space:pre-wrap}.chk-qtext{font-size:.95rem;line-height:1.6;color:var(--text-primary);margin-bottom:16px;font-weight:450}.chk-split-label{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--text-muted);margin-bottom:10px}.chk-split{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}.chk-mark-chip{display:flex;align-items:center;gap:12px;text-align:left;width:100%;min-height:48px;padding:10px 12px;border:1px solid var(--border);border-radius:12px;background:var(--bg);color:var(--text-primary);font-size:.87rem;cursor:pointer;line-height:1.4;transition:border-color .15s,background .15s,transform .15s,box-shadow .15s}.chk-mark-chip:active{transform:scale(.992)}.chk-mark-chip i{font-style:normal;font-weight:700;font-size:.8rem;min-width:26px;height:26px;padding:0 6px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:var(--border);color:var(--text-secondary);flex:none;transition:background .15s,color .15s}.chk-mark-chip .chk-mark-text{flex:1;min-width:0}.chk-tick{flex:none;width:22px;height:22px;border-radius:50%;border:1.5px solid var(--border);color:transparent;display:flex;align-items:center;justify-content:center;transition:background .15s,border-color .15s,color .15s}.chk-mark-chip:hover{border-color:var(--c-line);transform:translateY(-1px)}.chk-mark-chip.on{border-color:var(--accent);background:var(--c-tint)}.chk-mark-chip.on i{background:var(--accent);color:#fff}.chk-mark-chip.on .chk-tick{background:var(--accent);border-color:var(--accent);color:#fff;animation:.22s ease-out chk-pop}.chk-stepper{display:flex;align-items:center;justify-content:center;gap:20px;padding:18px;border-radius:14px;border:1px solid var(--border);background:var(--bg);margin-bottom:4px}.chk-stepper-btn{flex:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:var(--bg-card);color:var(--text-primary);font-size:1.3rem;font-weight:700;line-height:1;cursor:pointer;transition:border-color .15s,background .15s,transform .15s}.chk-stepper-btn:hover:not(:disabled){border-color:var(--accent);transform:translateY(-1px)}.chk-stepper-btn:active:not(:disabled){transform:scale(.94)}.chk-stepper-btn:disabled{opacity:.35;cursor:default}.chk-stepper-value{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:80px}.chk-stepper-n{font-size:2rem;font-weight:800;color:var(--accent);line-height:1}.chk-stepper-of{font-size:.78rem;color:var(--text-secondary);font-weight:600}.chk-pick-label{font-size:.78rem;font-weight:600;line-height:1.45;color:var(--text-secondary);margin-bottom:12px}.chk-options{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:14px}.chk-option{position:relative;height:62px;border:1px solid var(--border);border-radius:14px;background:var(--bg);color:var(--text-primary);font-size:1.15rem;font-weight:700;cursor:pointer;transition:border-color .15s,background .15s,transform .15s,box-shadow .15s}.chk-option:active{transform:scale(.97)}.chk-option:hover{border-color:var(--c-line);transform:translateY(-1px)}.chk-option.on{border-color:var(--accent);background:var(--c-tint)}.chk-option.right{border-color:var(--c-ok);border-width:1.5px;background:var(--c-ok-tint);color:var(--c-ok);box-shadow:0 6px 16px -8px color-mix(in srgb,var(--c-ok) 55%,transparent);animation:.25s ease-out chk-pop}.chk-option.wrong{border-color:var(--c-bad);border-width:1.5px;background:var(--c-bad-tint);color:var(--c-bad);box-shadow:0 6px 16px -8px color-mix(in srgb,var(--c-bad) 55%,transparent)}.chk-auto{display:flex;gap:8px;align-items:center;font-size:.76rem;color:var(--text-muted);border-top:1px solid var(--border);padding-top:12px}.chk-auto svg{flex:none;color:var(--accent)}.chk-actions{display:flex;gap:10px}.chk-actions .chk-btn-primary{flex:1}.chk-awarded{position:relative;margin-top:14px;padding:12px 14px 12px 18px;border-radius:12px;overflow:hidden;font-size:.85rem;line-height:1.55;color:var(--text-secondary);background:var(--bg);border:1px solid var(--border);animation:.2s ease-out both chk-in}.chk-awarded::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--border)}.chk-awarded b{color:var(--text-primary);font-weight:700}.chk-awarded.ok{background:var(--c-ok-tint);border-color:color-mix(in srgb,var(--c-ok) 35%,transparent);box-shadow:0 6px 16px -10px color-mix(in srgb,var(--c-ok) 50%,transparent)}.chk-awarded.ok::before{background:var(--c-ok)}.chk-awarded.ok b{color:var(--c-ok)}.chk-awarded.bad{background:var(--c-bad-tint);border-color:color-mix(in srgb,var(--c-bad) 35%,transparent);box-shadow:0 6px 16px -10px color-mix(in srgb,var(--c-bad) 50%,transparent)}.chk-awarded.bad::before{background:var(--c-bad)}.chk-awarded.bad b{color:var(--c-bad)}.chk-keys{display:none;margin-top:14px;font-size:.72rem;color:var(--text-muted)}.chk-keys kbd{font:inherit;font-weight:600;padding:1px 6px;margin:0 2px;border-radius:5px;border:1px solid var(--border);background:var(--bg);color:var(--text-secondary)}@media (hover:hover) and (pointer:fine){.chk-keys{display:block}}.chk-foot{display:flex;align-items:center;gap:12px;flex:none;padding:12px 16px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--border);background:color-mix(in srgb,var(--bg-card) 90%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.chk-nav-btn{display:inline-flex;align-items:center;gap:6px;flex:none;min-height:42px;padding:0 16px;border-radius:11px;border:1px solid var(--border);background:var(--bg);color:var(--text-primary);font-size:.85rem;font-weight:500;cursor:pointer;transition:border-color .15s,opacity .15s}.chk-nav-btn:hover:not(:disabled){border-color:var(--accent)}.chk-nav-btn:disabled{opacity:.4;cursor:default}.chk-nav-finish{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:650}.chk-nav-finish:hover:not(:disabled){border-color:var(--accent);filter:brightness(1.06)}.chk-dots{display:flex;flex-wrap:wrap;gap:8px;flex:1;justify-content:center;max-height:52px;overflow-y:auto;padding:4px}.chk-dot{width:10px;height:10px;border-radius:50%;padding:0;cursor:pointer;border:1px solid var(--border);background:var(--bg);transition:background .15s,border-color .15s,transform .15s}.chk-dot:hover{border-color:var(--accent)}.chk-dot.done{background:var(--accent);border-color:var(--accent)}.chk-dot.current{outline:2px solid var(--accent);outline-offset:2px;transform:scale(1.1)}.chk-btn-ghost,.chk-btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:12px;font-size:.88rem;font-weight:600;cursor:pointer;text-decoration:none;transition:filter .15s,border-color .15s,color .15s,transform .1s}.chk-btn-ghost:active,.chk-btn-primary:active{transform:scale(.985)}.chk-btn-primary{border:1px solid var(--accent);color:#fff;background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 88%,#fff),var(--accent));box-shadow:0 8px 20px -10px color-mix(in srgb,var(--accent) 80%,transparent)}.chk-btn-primary:hover{filter:brightness(1.07)}.chk-btn-ghost{border:1px solid var(--border);background:0 0;color:var(--text-secondary);font-weight:500}.chk-btn-ghost:hover{color:var(--text-primary);border-color:var(--accent)}.chk-btn-sm{min-height:34px;padding:0 13px;font-size:.78rem;border-radius:9px;box-shadow:none}.chk-score{display:flex;gap:22px;align-items:center;margin-bottom:22px;flex-wrap:wrap}.chk-score-ring{position:relative;width:140px;height:140px;flex:none}.chk-ring{width:100%;height:100%}.chk-ring-track{fill:none;stroke:var(--border);stroke-width:8}.chk-ring-fill{fill:none;stroke:url(#chkGrad);stroke-width:8;stroke-linecap:round;transition:stroke-dashoffset .9s cubic-bezier(.25, .8, .25, 1)}.chk-score-inner{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.chk-score-num{font-size:1.75rem;font-weight:750;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums}.chk-score-num span{font-size:.88rem;color:var(--text-muted);font-weight:500;letter-spacing:0}.chk-score-pct{font-size:.8rem;font-weight:600;color:var(--accent);margin-top:4px}.chk-score-side{flex:1;min-width:210px}.chk-score-note{font-size:.86rem;color:var(--text-secondary);line-height:1.55}.chk-score-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.chk-pill{font-size:.76rem;font-weight:600;padding:5px 11px;border-radius:999px;border:1px solid var(--border);color:var(--text-secondary);background:var(--bg);font-variant-numeric:tabular-nums}.chk-pill.bad{color:var(--c-bad);background:var(--c-bad-tint);border-color:color-mix(in srgb,var(--c-bad) 30%,transparent)}.chk-pill.ok{color:var(--c-ok);background:var(--c-ok-tint);border-color:color-mix(in srgb,var(--c-ok) 30%,transparent)}.chk-score-actions{margin-top:14px}.chk-h{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin:0 0 10px}.chk-sec-list{display:flex;flex-direction:column;gap:12px;margin-bottom:22px;padding:14px;border-radius:12px;background:var(--bg);border:1px solid var(--border)}.chk-sec-row{display:flex;align-items:center;gap:12px}.chk-sec-name{font-size:.8rem;font-weight:500;min-width:84px;color:var(--text-secondary)}.chk-sec-bar{flex:1;height:8px;border-radius:999px;background:var(--border);overflow:hidden}.chk-sec-bar span{display:block;height:100%;border-radius:999px;background:var(--accent);transition:width .7s cubic-bezier(.25, .8, .25, 1)}.chk-sec-bar span.weak{background:var(--c-bad)}.chk-sec-val{font-size:.78rem;font-weight:600;color:var(--text-secondary);min-width:58px;text-align:right;font-variant-numeric:tabular-nums}.chk-verdict{display:flex;gap:12px;align-items:flex-start;font-size:.87rem;line-height:1.55;padding:14px 16px;border-radius:12px;background:var(--c-tint);border:1px solid var(--c-line);color:var(--text-secondary);margin-bottom:16px}.chk-verdict svg{flex:none;margin-top:2px;color:var(--accent)}.chk-verdict b{color:var(--text-primary)}.chk-verdict-good{background:var(--c-ok-tint);border-color:color-mix(in srgb,var(--c-ok) 35%,transparent)}.chk-verdict-good svg{color:var(--c-ok)}.chk-chapter-list{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.chk-chapter-row{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--border);border-radius:12px;background:var(--bg)}.chk-chapter-row.worst{border-color:var(--c-line);background:var(--c-tint)}.chk-chapter-info{flex:1;min-width:0}.chk-chapter-name{font-size:.9rem;font-weight:600}.chk-chapter-sub{font-size:.74rem;color:var(--text-muted);margin-top:2px}.chk-lost{font-size:.82rem;font-weight:700;color:var(--c-bad);background:var(--c-bad-tint);padding:4px 9px;border-radius:8px;font-variant-numeric:tabular-nums}.chk-report-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.chk-mb-group{border-top:1px solid var(--border);padding:16px 0 6px}.chk-mb-group:first-child{border-top:none;padding-top:0}.chk-mb-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;gap:10px}.chk-mb-count{font-size:.72rem;font-weight:700;color:var(--accent);background:var(--c-tint);border-radius:999px;padding:2px 9px;font-variant-numeric:tabular-nums}.chk-mb-row{display:flex;align-items:center;gap:10px;font-size:.82rem;color:var(--text-secondary);padding:8px 10px;margin:0 -10px;border-radius:10px}.chk-mb-row:nth-child(2n){background:color-mix(in srgb,var(--bg) 70%,transparent)}.chk-mb-q{font-weight:700;color:var(--text-primary);min-width:36px}.chk-mb-meta{flex:1;min-width:0;color:var(--text-muted);font-size:.76rem}.chk-mb-marks{font-size:.76rem;font-weight:700;color:var(--c-bad);background:var(--c-bad-tint);padding:2px 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