.checklist-bar{position:sticky;top:var(--nav-h);z-index:10;display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:2rem;padding:.75rem 0;border-bottom:1px solid var(--border);background:var(--bg)}.checklist-bar[hidden]{display:none}.checklist-reset{border:1px solid var(--border-strong);border-radius:6px;background:transparent;padding:.4rem .85rem;font:inherit;font-size:.875rem;color:var(--text);cursor:pointer;transition:background-color .15s,border-color .15s}.checklist-reset:hover{background:var(--bg-subtle);border-color:var(--text-dim)}.checklist-step{margin:0 0 3rem;padding:0;border:0;min-width:0}.checklist-heading{display:flex;align-items:baseline;gap:.75rem;margin:0;font-size:1.375rem;font-weight:600;line-height:1.25;letter-spacing:-.015em;color:var(--text)}.checklist-num{flex:none;min-width:1.5rem;color:var(--accent);font-weight:600}.checklist-intro{margin:.5rem 0 1.25rem;max-width:60ch;color:var(--text-muted)}.checklist-list{margin:0;padding:0;list-style:none;border-top:1px solid var(--border)}.checklist-list>li{border-bottom:1px solid var(--border)}.checklist-item{display:flex;align-items:flex-start;gap:.9rem;padding:.85rem .25rem;color:var(--text);line-height:1.55;cursor:pointer}.checklist-item input{flex:none;width:1.25rem;height:1.25rem;margin:.2rem 0 0;accent-color:var(--accent);cursor:pointer}.checklist-item:has(input:checked)>span{color:var(--text-muted);text-decoration:line-through;text-decoration-color:var(--text-dim)}.checklist-item:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:-2px;border-radius:6px}.checklist-note{margin-top:1rem;padding:1.5rem;border:1px solid var(--border);border-left:2px solid var(--accent);border-radius:8px;background:var(--bg-subtle)}.checklist-note p{margin:.75rem 0 0;max-width:62ch;color:var(--text)}.checklist-note code{padding:.1em .35em;border:1px solid var(--border);border-radius:3px;background:var(--bg);font-family:var(--font-mono);font-size:.86em}.checklist-credit{margin:2rem 0 0;font-size:.875rem;color:var(--text-dim)}.checklist-credit a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}@media screen{.crc>header{position:relative;border-bottom:0;padding-top:calc(var(--nav-h) + clamp(3rem,7vw,6rem))}.crc>header:before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(50% 60% at 80% 0%,color-mix(in srgb,var(--accent) 12%,transparent),transparent 70%)}.crc>header>div{padding-top:1.4rem;border-top:1px solid var(--line)}.crc-idx{display:flex;align-items:center;gap:.75rem;margin:0 0 1.4rem;font:.78rem/1.4 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted)}.crc-idx span{color:var(--accent-text)}.crc-idx span:after{content:"";display:inline-block;vertical-align:middle;width:2rem;height:1px;margin-left:.75rem;background:currentColor;opacity:.6}.crc h1{font-size:clamp(2.6rem,6.5vw,5.5rem);line-height:.96;letter-spacing:-.055em;font-weight:650;text-wrap:balance}.crc-pt{color:var(--accent)}.crc>header p.text-lg{margin-top:1.6rem;font-size:clamp(1.1rem,1.5vw,1.3rem);line-height:1.55;letter-spacing:-.01em}.checklist-bar{top:calc(var(--nav-h) + .5rem);margin-bottom:2.5rem;padding:.55rem .6rem .55rem 1.2rem;border:1px solid var(--line);border-radius:999px;background:var(--glass);backdrop-filter:blur(16px) saturate(1.2);-webkit-backdrop-filter:blur(16px) saturate(1.2);box-shadow:inset 0 1px 0 var(--glass-edge),0 20px 40px -28px var(--shadow)}.checklist-bar [data-progress]{font-family:var(--font-mono);font-size:.8rem;letter-spacing:.06em;color:var(--text)}.checklist-reset{min-height:2.5rem;padding:.4rem 1.1rem;border-radius:999px;border-color:var(--border);font-weight:600}.checklist-reset:hover{background:transparent;border-color:var(--text-muted)}.checklist-reset:disabled{opacity:.55;cursor:default}.checklist-reset:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:999px}.checklist-step{margin-bottom:1.25rem;padding:clamp(1.25rem,3vw,2rem);border:1px solid var(--line);border-radius:var(--r-lg);background:var(--glass);box-shadow:inset 0 1px 0 var(--glass-edge),0 30px 60px -44px var(--shadow)}.checklist-heading{align-items:center;gap:.9rem;font-size:clamp(1.4rem,2.4vw,1.85rem);font-weight:640;letter-spacing:-.035em;line-height:1.15}.checklist-num{display:inline-grid;place-items:center;min-width:0;width:2.4rem;height:2.4rem;border-radius:50%;background:var(--accent);color:var(--accent-ink);font:600 .85rem var(--font-mono)}#h-ai:before{content:"+";content:"+" / "";display:inline-grid;place-items:center;flex:none;width:2.4rem;height:2.4rem;border-radius:50%;border:2px solid var(--accent);color:var(--accent-text);font:600 1rem var(--font-mono)}.checklist-intro{margin:.75rem 0 1.25rem}.checklist-list{border-top-color:var(--line)}.checklist-list>li{border-bottom-color:var(--line)}.checklist-list>li:last-child{border-bottom:0}.checklist-item{padding:.9rem .5rem;border-radius:12px}.checklist-item:hover{background:color-mix(in srgb,var(--text) 5%,transparent)}.checklist-item input{width:1.3rem;height:1.3rem}.checklist-note{margin-top:2.5rem;padding:clamp(1.25rem,3vw,2rem);border-color:var(--line);border-radius:0 var(--r-lg) var(--r-lg) 0}.checklist-note .checklist-heading{font-size:clamp(1.3rem,2.2vw,1.6rem)}.checklist-note code{border-radius:6px}.checklist-credit{font-size:.875rem;color:var(--text-muted)}.checklist-credit a{color:var(--accent-text)}}@media print{header.border-b{padding-top:0!important;padding-bottom:1rem!important}.checklist-bar{display:none!important}.checklist-step{-moz-column-break-inside:avoid;break-inside:avoid;margin-bottom:1.5rem}.checklist-item{padding:.4rem 0}.checklist-item input{-webkit-appearance:auto;-moz-appearance:auto;appearance:auto;print-color-adjust:exact;-webkit-print-color-adjust:exact}.checklist-note{-moz-column-break-inside:avoid;break-inside:avoid}}