@import url("/static/css/tokens.min.css");*,:after,:before{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--surface);color:var(--text);font-family:var(--font-sans);font-size:16.5px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}a{color:inherit;text-decoration:none}a:hover{color:var(--accent-dark)}img{max-width:100%}.serif,h1,h2,h3{font-family:var(--font-main);font-weight:400;margin:0;letter-spacing:-.015em;color:var(--text)}h1{font-size:clamp(2.6rem,5.2vw,4.25rem);line-height:1.04;max-width:900px}h1,h2{text-wrap:balance}h2{font-size:clamp(1.9rem,3.2vw,2.65rem);line-height:1.12;max-width:720px}h3{font-size:1.5rem;line-height:1.25;font-weight:500}h1 em,h2 em{font-style:italic;color:var(--accent-dark)}[data-theme=dark] h1 em,[data-theme=dark] h2 em{color:var(--accent)}p{margin:0}.lede,p{color:var(--text-secondary)}.lede{font-size:1.19rem;line-height:1.55;max-width:640px}.lede.c{margin-left:auto;margin-right:auto;text-align:center}.small{font-size:.875rem;line-height:1.5;color:var(--text-secondary)}.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.center{text-align:center}.c-ok{color:var(--success)}.c-warn{color:var(--warning)}.c-bad{color:var(--accent-dark)}[data-theme=dark] .c-bad{color:var(--accent)}b,strong{font-weight:600;color:var(--text)}u.claim{text-decoration-color:var(--accent);text-underline-offset:3px}.link{text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--border-hover)}.link:hover{text-decoration-color:var(--accent-dark)}.navbar{position:sticky;top:0;z-index:1;background:hsla(60,9%,98%,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}[data-theme=dark] .navbar{background:hsla(0,0%,6%,.92)}.nav-container{max-width:1280px;margin:0 auto;height:72px;padding:0 80px;display:flex;align-items:center;justify-content:space-between;position:relative}.navbar .logo,.navbar .logo-svg,.navbar .logo img{display:block;height:30px;width:auto}.nav-links{display:flex;align-items:center;gap:36px;font-size:.94rem;font-weight:500}.nav-links a{color:var(--text)}.nav-links a.on,.nav-links a:hover{color:var(--accent-dark)}.nav-links a.btn,.nav-links a.btn:hover{color:var(--text-inverse)}.nav-links .nav-signin{margin-left:8px}.mobile-menu-toggle{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 22px;border-radius:var(--radius-sm);font-family:var(--font-sans);font-size:.94rem;font-weight:500;border:1px solid var(--primary);background:var(--primary);white-space:nowrap;cursor:pointer;transition:border-color var(--transition-fast),background var(--transition-fast)}.btn,.btn:hover{color:var(--text-inverse)}.btn:hover{background:var(--primary-light)}.btn.ghost{border-color:var(--border-hover)}.btn.ghost,.btn.ghost:hover{background:transparent;color:var(--text)}.btn.ghost:hover{border-color:var(--text)}.btn.sm{height:40px;padding:0 18px;font-size:.875rem}.btn.wide{width:100%}.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:none;box-shadow:var(--focus-ring)}.actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.actions.left{justify-content:flex-start}.wrap{max-width:1280px;margin:0 auto;padding-inline:80px}.sec{padding-block:104px;border-top:1px solid var(--border)}.sec.tight{padding-block:72px}.sec.paper2{background:var(--surface-dark)}.sec.flush{padding-top:24px;border-top:0}.hero{padding:96px 0 64px;text-align:center}.hero .wrap{display:flex;flex-direction:column;align-items:center;gap:28px}.hero h1{margin-inline:auto}.stack{display:flex;flex-direction:column;gap:14px}.stack.g24{gap:24px}.stack.g40{gap:40px}.cols2,.stack.g64{gap:64px}.cols2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.cols2.wide{gap:80px}.cols2.top{align-items:start}.cols3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:48px}.cols4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:40px}.cols5{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:32px}.rule{border-top:1px solid var(--border)}.row{display:flex;align-items:center;justify-content:space-between;gap:16px}.caption{font-size:.875rem;color:var(--text-secondary);margin-top:16px}.sticky-col{position:sticky;top:96px}.stepcard{min-height:180px;display:flex;flex-direction:column;justify-content:space-between;padding:24px}.frame{background:var(--surface-elevated);border:1px solid var(--border);border-radius:var(--radius-md)}.frame.lift{box-shadow:0 24px 60px rgba(26,26,26,.08)}.frame.pad{padding:28px 32px}.sheet-top{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:18px 28px;border-bottom:1px solid var(--border);font-size:.875rem;color:var(--text-secondary)}.sheet-top b{color:var(--text);font-weight:600}.trow{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:14px 0;border-bottom:1px solid var(--border);font-size:.97rem;color:var(--text)}.trow:last-child{border-bottom:0}.trow .v{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:.94rem;white-space:nowrap}.trow.g2{display:grid;grid-template-columns:160px 1fr;gap:20px;padding:18px 0}.trow.g2.n{grid-template-columns:40px 1fr}.trow.g2.w{grid-template-columns:260px 1fr;padding:22px 0}.trow.g2 .v{white-space:normal;overflow-wrap:anywhere}.trow.total{font-weight:600}.trow .strike{text-decoration:line-through;text-decoration-color:var(--accent);color:var(--text-tertiary)}.trow.small{font-size:.875rem;padding:8px 0}.mark{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:10px;vertical-align:1px}.mark.ok{background:var(--success)}.mark.warn{background:var(--warning)}.mark.bad{background:var(--accent)}.mark.dim{background:transparent;border:1px solid var(--text-tertiary)}.chip{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-elevated);font-size:.875rem;color:var(--text)}.chips{display:flex;gap:10px;flex-wrap:wrap}.bignum{font-family:var(--font-main);font-size:clamp(72px,9vw,120px);line-height:.9;letter-spacing:-.03em;font-variant-numeric:tabular-nums;color:var(--text)}.doc{background:var(--surface-elevated);border:1px solid var(--border);border-radius:8px;padding:24px 26px}.doc.actual{border-color:var(--text)}.doc h4{margin:0 0 4px;font-family:var(--font-main);font-weight:500;font-size:1.35rem;color:var(--text)}.doc .src{font-size:.8rem;margin-bottom:14px}.doc .src,.doc ol{color:var(--text-secondary)}.doc ol{margin:0;padding-left:20px;font-size:.94rem;line-height:1.7}.doc .ev{display:block;margin-top:14px;font-size:.78rem;color:var(--text-secondary)}.doc .ev,.pg{font-family:var(--font-mono)}.pg{display:inline-block;font-size:.8rem;font-weight:600;width:36px}.pg.pg1,.pg.pg2{color:var(--success)}.pg.pg3{color:var(--warning)}.pg.pg4,.pg.pg5{color:var(--error)}.step{display:flex;gap:12px;align-items:baseline;font-size:.94rem;line-height:1.5;padding:8px 0;border-bottom:1px solid var(--border-light);color:var(--text)}.step .n{font-family:var(--font-mono);font-size:.75rem;color:var(--text-tertiary);width:22px;flex:none}.step.sw{color:var(--error)}.timeline{height:10px;border-radius:5px;background:linear-gradient(90deg,var(--success),var(--success) 40%,var(--warning) 0,var(--warning) 60%,var(--accent) 0,var(--accent))}.ticks{display:flex;justify-content:space-between;font-size:.8rem;color:var(--text-secondary);margin-top:10px;font-family:var(--font-mono)}.ladder{display:flex;align-items:flex-end;gap:10px;height:150px}.ladder.tall{height:300px;gap:14px}.ladder.tall .lab{font-size:.78rem;flex-direction:column;align-items:flex-start;gap:2px}.ladder.tall .lab b{font-size:.85rem;color:var(--text)}.ladder .bar{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:flex-end;gap:8px;height:100%}.ladder .fill{background:var(--text);border-radius:3px 3px 0 0;transform-origin:bottom}.ladder .fill.disc{background:transparent;border:1px dashed var(--text-tertiary);border-bottom:0}.ladder .lab{font-size:.66rem;letter-spacing:-.01em;color:var(--text-secondary);display:flex;justify-content:space-between;gap:6px;white-space:nowrap}.ladder .lab b{font-family:var(--font-mono)}.mini-ladder{display:flex;flex-direction:column;gap:4px}.mini-ladder .r{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:.8rem;color:var(--text-secondary)}.mini-ladder .r span:first-child{width:100px}.mini-ladder .r i{display:inline-block;height:6px;background:var(--text);border-radius:2px}.mini-ladder .r i.disc{background:var(--border-hover)}.mini-ladder .r b{width:24px;text-align:right;font-family:var(--font-mono);font-size:.75rem}.sheet{max-width:1120px;margin:0 auto}.sheet-body{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;padding:36px 40px 40px}.sheet-label{font-size:.875rem;font-weight:600;color:var(--text);margin-bottom:14px}.depts{display:flex;gap:28px;flex-wrap:wrap;padding:16px 40px;border-top:1px solid var(--border);font-size:.85rem;color:var(--text-secondary)}.print .a{animation:a .52s cubic-bezier(.2,.7,.2,1) both;animation-delay:var(--d,0ms)}.print .ladder .fill{animation:b .6s cubic-bezier(.2,.7,.2,1) both;animation-delay:var(--d,0ms)}@keyframes a{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes b{0%{transform:scaleY(0)}to{transform:scaleY(1)}}.compare{position:relative;background:var(--surface-dark);border:1px solid var(--border);border-radius:var(--radius-md);padding:28px;overflow:hidden;user-select:none}.compare .pane{display:flex;justify-content:center}.compare .pane .doc{width:100%;max-width:560px}.compare .over{position:absolute;inset:0;padding:28px;clip-path:inset(0 0 0 var(--cut,52%))}.compare .doc{background:var(--surface-elevated);border:1px solid var(--border);border-radius:8px;padding:24px 26px;min-height:300px}.compare .under .doc{background:var(--surface);border-style:dashed}.compare .under .doc,.compare .under .doc h4,.compare .under .doc ol{color:var(--text-tertiary)}.compare .under .doc .miss{color:var(--error);text-decoration:line-through;text-decoration-color:var(--error)}.compare .over .doc{border-color:var(--text)}.compare .over .doc h4,.compare .over .doc ol{color:var(--text)}.compare .handle{position:absolute;top:0;bottom:0;left:var(--cut,52%);width:2px;background:var(--accent);pointer-events:none}.compare .handle i{top:50%;left:50%;width:36px;height:36px;margin:-18px 0 0 -18px;border-radius:50%;border:2px solid var(--accent);box-shadow:0 2px 8px rgba(0,0,0,.18);display:flex;align-items:center;justify-content:center;font-size:.7rem;color:var(--accent-dark);letter-spacing:-1px}.compare .handle i,.compare .tag{position:absolute;background:var(--surface-elevated)}.compare .tag{top:10px;font-size:.72rem;font-family:var(--font-mono);color:var(--text-secondary);padding:3px 8px;border-radius:4px;border:1px solid var(--border);pointer-events:none}.compare .tag.l{left:12px}.compare .tag.r{right:12px;color:var(--accent-dark);border-color:var(--accent)}.compare input[type=range]{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;appearance:none}.compare input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:48px;height:100%}.compare .hint{margin-top:12px;font-size:.85rem;color:var(--text-secondary);text-align:center}.compare.live{--cut:52%}@media (max-width:560px){.compare,.compare .over{padding:16px}.compare .doc{padding:18px 16px;min-height:300px}.compare .tag{top:4px}}.crop{position:relative;height:240px;background:var(--surface-dark);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden}.crop .ui{position:absolute;left:24px;right:24px;bottom:-10px;background:var(--surface-elevated);border:1px solid var(--border);border-radius:8px 8px 0 0;padding:16px 18px 24px;box-shadow:0 8px 24px rgba(26,26,26,.06)}.crop .ui-h{font-size:.75rem;color:var(--text-secondary);font-family:var(--font-mono);margin-bottom:12px;display:flex;justify-content:space-between;gap:8px}.crop .ui-t{font-weight:600;font-size:.94rem;color:var(--text)}.crop .ui-m{font-size:.8rem;color:var(--text-secondary);margin-top:2px}.day{position:relative;padding-bottom:34px}.day .blocks{display:flex;gap:4px}.day .blocks span{height:30px;border-radius:4px;background:var(--surface-dark);border:1px solid var(--border);font-size:.72rem;color:var(--text-secondary);display:flex;align-items:center;padding:0 8px;white-space:nowrap;overflow:hidden}.day .blocks span.in{background:var(--surface-elevated)}.day .bracket{right:0;top:36px;height:10px;border:1.5px solid var(--accent);border-top:0;border-radius:0 0 4px 4px;transform-origin:left}.day .bracket,.day .found{position:absolute;left:34%}.day .found{top:52px;font-size:.75rem;color:var(--text);white-space:nowrap}.day .found b{font-family:var(--font-mono);font-size:.7rem;color:var(--accent-dark);margin-left:6px;font-weight:600}.crop.live .day .bracket{transform:scaleX(0);transition:transform .7s cubic-bezier(.2,.7,.2,1) .2s}.crop.live .day .found{opacity:0;transition:opacity .4s .9s}.crop.live.on .day .bracket{transform:none}.crop.live.on .day .found{opacity:1}.acts{display:flex;gap:8px;align-items:center;margin-top:14px;flex-wrap:nowrap}.acts .btn.sm{height:36px;padding:0 14px;font-size:.82rem}.acts .link{font-size:.82rem;color:var(--text-secondary);white-space:nowrap}.rungs{display:flex;flex-direction:column;gap:0;margin-top:8px}.rungs span{display:flex;align-items:center;gap:10px;font-size:.82rem;color:var(--text-tertiary);padding:5px 0;border-bottom:1px solid var(--border-light)}.rungs span:last-child{border-bottom:0}.rungs span.done{color:var(--text-secondary)}.rungs span.now{color:var(--text);font-weight:600}.rungs i{width:8px;height:8px;border-radius:50%;border:1px solid var(--border-hover);flex:none}.rungs span.done i{background:var(--text-secondary);border-color:var(--text-secondary)}.rungs span.now i{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,88,88,.18)}.rungs span em{font-style:normal;margin-left:auto;font-family:var(--font-mono);font-size:.7rem;color:var(--text-tertiary)}.stage{position:relative;height:180px;overflow:hidden}.stage .dot{position:absolute;left:0;top:0;width:10px;height:10px;border-radius:50%;background:var(--text);transition:transform .9s cubic-bezier(.2,.7,.2,1)}.stage .bound{left:18px;top:54px;width:76px;height:60px;border:1.5px solid var(--accent);border-radius:6px;transform:scale(1.3);transition:opacity .4s .9s,transform .5s cubic-bezier(.2,.7,.2,1) .9s}.stage .bound,.stage .chip{position:absolute;opacity:0}.stage .chip{left:24px;bottom:24px;transform:translateY(6px);transition:opacity .4s 1.3s,transform .4s 1.3s}.stage.on .bound{opacity:1;transform:scale(1)}.stage.on .chip{opacity:1;transform:none}.stage.still .dot{transition:none}.stage.still .bound,.stage.still .chip{transition:none;opacity:1;transform:none}.slider{margin-top:24px;display:flex;flex-direction:column;gap:10px}.slider input[type=range]{appearance:none;width:100%;height:8px;border-radius:4px;outline:none;margin:0;background:linear-gradient(90deg,var(--success),var(--success) 40%,var(--warning) 0,var(--warning) 60%,var(--accent) 0,var(--accent))}.slider input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--text);border:3px solid var(--surface);box-shadow:0 1px 4px rgba(0,0,0,.3);cursor:pointer}.slider input[type=range]::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:var(--text);border:3px solid var(--surface);cursor:pointer}.slider .ticks{margin-top:0}.exchange{display:flex;flex-direction:column;gap:18px}.exchange .labs{display:flex;gap:8px;flex-wrap:wrap}.exchange .labs .chip{transition:border-color var(--transition-base),color var(--transition-base);color:var(--text-secondary)}.exchange .labs .chip.on{border-color:var(--accent);color:var(--text)}.ex-thread{display:flex;flex-direction:column;gap:12px}.ex-msg{display:grid;grid-template-columns:92px 1fr;gap:16px;align-items:baseline;font-size:.94rem;color:var(--text)}.ex-msg .who{font-size:.78rem;color:var(--text-secondary);font-family:var(--font-mono);white-space:nowrap}.ex-msg .who.record{color:var(--accent-dark)}.ex-msg .body{min-height:1.5em}.ex-msg .body .small{display:block;margin-top:4px}.ex-msg .steps{display:flex;flex-direction:column;gap:4px;margin-top:6px}.ex-msg .steps span{display:block;padding-left:14px;border-left:1px solid var(--border);font-size:.875rem;color:var(--text-secondary)}.ex-msg .steps span b{font-family:var(--font-mono);font-size:.75rem;margin-right:8px}.exchange.live .ex-msg{opacity:0;transform:translateY(4px);transition:opacity .4s,transform .4s}.exchange.live .ex-msg.in{opacity:1;transform:none}.exchange.live .ex-msg.in .steps span{animation:a .4s both}.exchange.live .ex-msg.in .steps span:nth-child(2){animation-delay:.15s}.exchange.live .ex-msg.in .steps span:nth-child(3){animation-delay:.3s}.exchange.live .ex-msg.in .steps span:nth-child(4){animation-delay:.45s}.ex-foot{border-top:1px solid var(--border);padding-top:12px;font-size:.85rem;color:var(--text-secondary)}.caret:after{content:"";display:inline-block;width:1px;height:1em;background:var(--text);margin-left:2px;vertical-align:-2px;animation:c .9s steps(1) infinite}@keyframes c{50%{opacity:0}}.squares{display:grid;grid-template-columns:repeat(auto-fill,minmax(26px,1fr));gap:6px}.squares i{display:block;aspect-ratio:1;border-radius:3px;background:var(--success)}.squares i.g3{background:var(--warning)}.squares i.g4{background:var(--error)}.squares i.g5{background:var(--accent)}.legend{display:flex;gap:18px;flex-wrap:wrap;font-size:.8rem;color:var(--text-secondary);margin-top:12px}.gradecard{display:flex;flex-direction:column;gap:22px}.grade-top{display:grid;grid-template-columns:auto 1fr;gap:32px;align-items:end}.grade-letter{font-family:var(--font-main);font-size:96px;line-height:.85;letter-spacing:-.03em;color:var(--text)}.grade-dir{font-size:.875rem;color:var(--text-secondary);margin-top:10px;white-space:nowrap}.spark{width:100%;height:88px;display:block;overflow:visible}.spark .area{fill:var(--warning);opacity:.12}.spark .line{fill:none;stroke:var(--warning);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}.spark .end{fill:var(--warning)}.spark .grid{stroke:var(--border);stroke-width:1}.spark-cap{display:flex;justify-content:space-between;gap:12px;font-size:.75rem;color:var(--text-secondary);font-family:var(--font-mono);margin-top:6px}.spark-cap .mid{text-align:center}.band{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:4px}.band span{display:flex;flex-direction:column;gap:8px;font-size:.75rem;color:var(--text-secondary);font-family:var(--font-mono);white-space:nowrap}.band span em{font-style:normal}.band span i{display:block;height:6px;border-radius:3px;background:var(--border);position:relative}.band span.on i{background:var(--warning)}.band span.on{color:var(--text)}.band span.on i:after{content:"";position:absolute;top:-5px;left:var(--at,50%);width:16px;height:16px;margin-left:-8px;border-radius:50%;background:var(--text);border:3px solid var(--surface-elevated);box-shadow:0 1px 3px rgba(0,0,0,.25)}.tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.tile{border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 18px;display:flex;flex-direction:column;gap:6px}.tile b{font-family:var(--font-main);font-size:2rem;line-height:1;font-weight:500;letter-spacing:-.02em}.tile span{font-size:.8rem;color:var(--text-secondary);line-height:1.4}.faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 64px}.faq details{border-bottom:1px solid var(--border)}.faq summary{list-style:none;cursor:pointer;padding:22px 0;display:flex;justify-content:space-between;gap:24px;font-size:1.06rem;font-weight:500;color:var(--text)}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";color:var(--text-tertiary);font-weight:400;flex:none}.faq details[open] summary:after{content:"\2212"}.faq details p{padding:0 0 22px;font-size:.94rem;color:var(--text-secondary)}.form{background:var(--surface-elevated);border:1px solid var(--border);border-radius:var(--radius-md);padding:36px;gap:18px}.field,.form{display:flex;flex-direction:column}.field{gap:6px}.field label{font-size:.85rem;font-weight:500;color:var(--text)}.field input,.field select,.field textarea{font-family:inherit;font-size:.94rem;padding:12px 14px;border:1px solid var(--border-hover);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);width:100%}.field textarea{min-height:110px;resize:vertical}.form .note{font-size:.85rem;color:var(--text-secondary)}.success-message h2{font-size:1.8rem;margin-bottom:8px}.error-message{border:1px solid var(--error);color:var(--error);border-radius:var(--radius-sm);padding:12px 14px;font-size:.9rem}.auth-wrap{padding:96px 0 120px;display:flex;justify-content:center}.auth-card{width:100%;max-width:440px}.auth-card .form{gap:16px}.auth-card h2{font-size:2.1rem}.auth-tabs{display:flex;gap:24px;border-bottom:1px solid var(--border)}.auth-tab{background:none;border:0;padding:0 0 12px;font-family:inherit;font-size:.94rem;color:var(--text-secondary);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}.auth-tab.active{color:var(--text);border-bottom-color:var(--text);font-weight:500}.auth-form{display:none;flex-direction:column;gap:16px}.auth-form.active{display:flex}.auth-providers{display:flex;flex-direction:column;gap:10px}.auth-provider{display:inline-flex;align-items:center;gap:12px;height:48px;padding:0 18px;border:1px solid var(--border-hover);border-radius:var(--radius-sm);font-size:.94rem;font-weight:500;color:var(--text)}.auth-provider:hover{border-color:var(--text);color:var(--text)}.auth-provider-mark{display:inline-flex}.auth-provider-mark,.auth-provider-mark svg{width:18px;height:18px}.auth-divider{display:flex;align-items:center;gap:12px;font-size:.85rem;color:var(--text-secondary)}.auth-divider:after,.auth-divider:before{content:"";flex:1;border-top:1px solid var(--border)}.form-submit{position:relative}.form-submit .btn-spinner{display:none}.form-submit.loading .btn-text{visibility:hidden}.form-submit.loading .btn-spinner{display:block;position:absolute;width:18px;height:18px;border:2px solid hsla(0,0%,100%,.4);border-top-color:#fff;border-radius:50%;animation:d .7s linear infinite}@keyframes d{to{transform:rotate(1turn)}}.form-footer{font-size:.85rem;color:var(--text-secondary);display:flex;flex-direction:column;gap:6px}.form-footer a{text-decoration:underline;text-underline-offset:3px}.auth-card .auth-card{border:0;padding:0;box-shadow:none;background:transparent}.auth-header{display:flex;flex-direction:column;gap:6px;margin-bottom:8px}.auth-header h1{font-size:2.1rem}.auth-header p{font-size:.875rem}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.form-label{font-size:.85rem;font-weight:500;color:var(--text)}.form-input{font-family:inherit;font-size:.94rem;padding:12px 14px;border:1px solid var(--border-hover);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);width:100%}.form-input.code-input{font-family:var(--font-mono);font-size:1.4rem;letter-spacing:.3em;text-align:center}.form-actions{display:flex;flex-direction:column;gap:10px}.auth-card .form-submit:not(.btn),.form-actions .form-submit{display:inline-flex;align-items:center;justify-content:center;width:100%;height:48px;padding:0 22px;border-radius:var(--radius-sm);font-family:var(--font-sans);font-size:.94rem;font-weight:500;border:1px solid var(--primary);background:var(--primary);color:var(--text-inverse);cursor:pointer}.form-status{font-size:.85rem;color:var(--text-secondary);min-height:1.2em}.tabs{display:flex;gap:24px;flex-wrap:wrap}.tab{background:none;border:0;padding:8px 0;font-family:inherit;font-size:.9rem;color:var(--text-secondary);border-bottom:2px solid transparent;cursor:pointer}.tab.active{color:var(--text);border-bottom-color:var(--text);font-weight:500}.tab[data-type]{text-transform:capitalize}.pub{display:grid;grid-template-columns:1fr 280px;gap:32px;padding:22px 0;border-bottom:1px solid var(--border);align-items:baseline}.pub:last-child{border-bottom:0}.pub .t{font-family:var(--font-main);font-size:1.5rem;font-weight:500;color:var(--text)}.pub .m{font-family:var(--font-mono);font-size:.78rem;color:var(--text-secondary)}.pub:hover .t{color:var(--accent-dark)}.pub[hidden]{display:none}.article-shell{padding:64px 0 96px}.article-shell .article-header{background:transparent;border:0;padding:0 0 40px}.article-shell .article-body,.article-shell .article-content,.article-shell .article-header-content{max-width:760px;margin:0}.lg-hero{padding:88px 0 40px;border-bottom:1px solid var(--border)}.lg-hero-inner{max-width:760px;display:flex;flex-direction:column;gap:20px}.lg-h1{font-size:clamp(2.4rem,4.5vw,3.5rem)}.lg-subtitle{font-family:var(--font-main);font-style:italic;font-size:1.2rem}.lg-meta,.lg-subtitle{color:var(--text-secondary)}.lg-meta{display:flex;gap:24px;flex-wrap:wrap;font-size:.875rem}.lg-lede{font-size:1.06rem;line-height:1.6;color:var(--text-secondary)}.lg-layout{display:grid;grid-template-columns:260px minmax(0,680px);gap:96px;align-items:start;padding:56px 0 96px}.lg-toc{position:sticky;top:96px;display:flex;flex-direction:column;gap:10px;font-size:.9rem;color:var(--text-secondary);max-height:calc(100vh - 120px);overflow-y:auto}.lg-toc-label{font-size:.85rem;font-weight:600;margin-bottom:4px}.lg-toc-label,.lg-toc a:hover{color:var(--text)}.lg-body{min-width:0;color:var(--text-secondary);line-height:1.65;font-size:1.02rem}.lg-body h2{font-size:1.6rem;font-weight:500;margin:48px 0 14px;padding-top:24px;border-top:1px solid var(--border);scroll-margin-top:96px}.lg-body h2:first-of-type{margin-top:0;padding-top:0;border-top:0}.lg-body h3{font-size:1.15rem;margin:28px 0 10px}.lg-body p{margin:0 0 16px}.lg-body ul{margin:0 0 20px;padding-left:20px}.lg-body li{margin:6px 0}.lg-body a{text-decoration:underline;text-underline-offset:3px}.lg-callout{margin:0 0 32px;font-size:.94rem}.lg-allcaps,.lg-callout{border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:16px 0}.lg-allcaps{font-size:.9rem;line-height:1.7;margin:16px 0 24px}.lg-table{width:100%;border-collapse:collapse;margin:16px 0 32px;font-size:.9rem}.lg-table td,.lg-table th{text-align:left;padding:12px 14px 12px 0;border-top:1px solid var(--border);vertical-align:top}.lg-table th{font-weight:600;color:var(--text);border-bottom:1px solid var(--border)}.foot{padding:56px 0 32px;border-top:1px solid var(--border);background:var(--surface)}.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}.foot .logo-svg,.foot .logo img{height:26px;width:auto;display:block;margin-bottom:14px}.foot h4{margin:0 0 12px;font-size:.85rem;font-weight:600;color:var(--text)}.foot .fl{display:flex;flex-direction:column;gap:8px;font-size:.9rem;color:var(--text-secondary)}.foot .fl a:hover{color:var(--accent-dark)}.foot-base{margin-top:48px;padding-top:20px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.85rem;color:var(--text-secondary)}@media (max-width:1100px){.nav-container,.wrap{padding-inline:40px}.cols4,.cols5{grid-template-columns:repeat(2,minmax(0,1fr))}.foot-grid{grid-template-columns:1fr 1fr}.lg-layout{grid-template-columns:220px minmax(0,1fr);gap:48px}}@media (max-width:860px){.nav-container{justify-content:center;padding-inline:24px}.navbar .logo{position:absolute;left:50%;transform:translateX(-50%)}.mobile-menu-toggle{display:flex;flex-direction:column;justify-content:space-between;position:absolute;left:24px;width:28px;height:20px;background:transparent;border:0;padding:0;cursor:pointer;z-index:3}.mobile-menu-toggle span{display:block;width:100%;height:2px;background:var(--text);border-radius:2px;transition:transform var(--transition-base),opacity var(--transition-base);transform-origin:center}.mobile-menu-toggle.active span:first-child{transform:translateY(9px) rotate(45deg)}.mobile-menu-toggle.active span:nth-child(2){opacity:0}.mobile-menu-toggle.active span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}.nav-links{position:fixed;inset:0;height:100vh;flex-direction:column;justify-content:center;gap:28px;background:var(--surface);transform:translateX(-100%);transition:transform var(--transition-base);z-index:2;font-size:1.2rem}.nav-links.active{transform:none}body.menu-open{overflow:hidden}.cols2,.cols2.wide,.cols3,.faq{grid-template-columns:1fr;gap:40px}.sticky-col{position:static}.sec{padding-block:72px}.hero{padding:64px 0 48px}.sheet-body{grid-template-columns:1fr;padding:28px 24px}.depts{padding-inline:24px}.lg-layout{grid-template-columns:1fr;gap:32px}.lg-toc{position:static;max-height:none;flex-direction:row;flex-wrap:wrap;gap:8px 20px}.pub,.trow.g2,.trow.g2.w{grid-template-columns:1fr;gap:6px}.trow.g2.n{grid-template-columns:40px 1fr}.grade-top{gap:16px}.grade-top,.tiles{grid-template-columns:1fr}.band span em,.spark-cap .mid{display:none}}@media (max-width:560px){.nav-container,.wrap{padding-inline:16px}.mobile-menu-toggle{left:16px}.cols4,.cols5,.foot-grid{grid-template-columns:1fr}.form,.frame.pad{padding:22px 18px}.actions .btn,.btn.wide{width:100%}.actions{flex-direction:column;align-items:stretch}.ladder-visual{display:none}.row,.trow{flex-wrap:wrap}.ladder .lab span{display:none}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}