:root{ --paper-deep:#fbfaf7; --card:#ffffff; --ink:#33302B; --ink-soft:#6B655B; --sage:#3F5E4E; --sage-deep:#31493D; --sage-tint:#E4EAE2; --terra:#A45C40; --terra-deep:#8C4B33; --terra-tint:#F3E2D8; --ochre:#8F6516; --ochre-tint:#F4E7CB; --line:rgba(51,48,43,.14); --shadow:0 4px 14px rgba(66,55,38,.10); --radius:10px; --sage-text:#31493D; --terra-text:#8C4B33; --ochre-text:#8F6516; --slate-text:#5C6B70; --card-2:#FBFAF7; --header-bg:rgba(251,250,247,.92); --shell-top:#ffffff; --shell-edge:#F3F1EC; --well:#F4F2ED; --track:#ECE9E2; --highlight:rgba(255,255,255,.9);}
:root[data-theme="dark"]{color-scheme:dark;  --paper-deep:#101112; --card:#1E2023; --card-2:#1A1C1F; --ink:#E6E7E6; --ink-soft:#9A9EA1; --sage:#5E8B72; --sage-deep:#4F7A62; --sage-text:#A6C6B2; --sage-tint:rgba(141,179,156,.16); --terra:#B5694C; --terra-deep:#C97A5C; --terra-text:#DFA083; --terra-tint:rgba(217,153,127,.16); --ochre:#B98A3A; --ochre-text:#D6AC5A; --ochre-tint:rgba(214,172,90,.16); --slate:#8A9BA0; --slate-text:#AEBCC0; --slate-tint:rgba(174,188,192,.14); --line:rgba(230,231,230,.14); --shadow:0 4px 14px rgba(0,0,0,.35); --shadow-lg:0 14px 38px rgba(0,0,0,.45); --header-bg:rgba(20,21,23,.92); --shell-top:#222428; --shell-edge:#17181B; --well:#17181B; --track:#0F1012; --highlight:rgba(255,255,255,.06);}
@media print{:root[data-theme="dark"]{color-scheme:light; --paper-deep:#ffffff;--card:#ffffff;--card-2:#ffffff; --ink:#33302B;--ink-soft:#6B655B;--line:rgba(51,48,43,.2); --sage:#3F5E4E;--sage-deep:#31493D;--sage-text:#31493D;--sage-tint:#E4EAE2; --terra:#A45C40;--terra-deep:#8C4B33;--terra-text:#8C4B33;--terra-tint:#F3E2D8; --ochre:#8F6516;--ochre-text:#8F6516;--ochre-tint:#F4E7CB;--slate:#5C6B70;--slate-text:#5C6B70;--slate-tint:#E3E8E8; --shadow:none;--shadow-lg:none;--highlight:transparent;}}
.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:2.2rem;height:2.2rem; border-radius:6px;border:1px solid transparent;background:transparent;color:var(--ink-soft);cursor:pointer; margin-left:.25rem;}
.theme-toggle:hover{background:var(--sage-tint);color:var(--sage-text)}
.theme-toggle svg{width:1.15rem;height:1.15rem;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.theme-toggle .moon{display:none}
:root[data-theme="dark"] .theme-toggle .sun{display:none}
:root[data-theme="dark"] .theme-toggle .moon{display:block}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{font-family:"Source Sans 3",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif; font-size:17px;line-height:1.65;color:var(--ink);background:var(--bg); -webkit-font-smoothing:antialiased;}
h1,h2,h3{font-family:var(--serif);line-height:1.2;font-weight:600}
a{color:var(--sage-text);text-underline-offset:2px}
a:hover{color:var(--terra-text)}
:focus-visible{outline:3px solid var(--terra);outline-offset:2px;border-radius:6px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.nav{display:flex;align-items:center;justify-content:space-between;padding:.7rem 0;gap:1rem}
.nav-links{display:flex;gap:.25rem;flex-wrap:wrap}
.nav-links a{text-decoration:none;color:var(--ink-soft);font-weight:600;font-size:.95rem; padding:.45rem .8rem;border-radius:6px;}
.nav-links a:hover{background:var(--sage-tint);color:var(--sage-text)}
.nav-links a.current{background:var(--terra-tint);color:var(--terra-text)}
@media (max-width:720px){.nav{flex-direction:column;align-items:center;gap:.55rem;padding:.6rem 0}.nav-links{justify-content:center}.nav-links a{padding:.45rem .75rem;font-size:.9rem}section[id]{scroll-margin-top:128px}}
.page-head{padding:3rem 0 1.6rem;text-align:center}
.page-head h1{font-size:clamp(1.9rem,4.6vw,2.9rem);max-width:22ch;margin:0 auto .8rem}
.page-head p{max-width:40em;margin:0 auto;color:var(--ink-soft);font-size:1.08rem}
section{padding:2.4rem 0}
section.alt{background:var(--paper-deep);border-top:1px solid var(--line)}
.prose{max-width:calc(46em + 40px);margin:0 auto;padding-left:20px;padding-right:20px}
.prose p{margin-bottom:1rem}
.prose h2{font-size:clamp(1.45rem,3.2vw,1.9rem);margin:1.2rem 0 .8rem}
.prose h3{font-size:1.12rem;margin:1.5rem 0 .5rem}
.prose ul{margin:0 0 1rem 1.2rem}
.prose li{margin-bottom:.4rem}
.note{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--sage); padding:.9rem 1.1rem;border-radius:0 6px 6px 0;font-size:.95rem;margin:1.4rem 0;}
.ref-list{max-width:calc(46em + 40px);margin:0 auto;padding-left:20px;padding-right:20px;display:grid;gap:.8rem}
.ref{background:var(--card);border:1px solid var(--line);border-radius:10px; padding:.95rem 1.15rem;box-shadow:var(--shadow);font-size:.95rem;}
.ref .r-cite{margin-bottom:.25rem}
.ref .r-note{color:var(--ink-soft);font-size:.9rem}
.ref .r-links{margin-top:.35rem;font-size:.88rem}
.ref .r-links a{margin-right:.9rem;font-weight:600}
.jump{display:flex;justify-content:center;gap:.5rem;flex-wrap:wrap;margin-top:1.2rem}
.jump a{text-decoration:none;font-weight:600;font-size:.92rem;color:var(--sage-text); background:var(--sage-tint);padding:.45rem 1rem;border-radius:999px;}
.jump a:hover{background:var(--sage-deep);color:#fff}
section[id]{scroll-margin-top:72px}
.backline{text-align:center;padding:1.6rem 0 0}
.reviewed{text-align:center;font-size:.85rem;color:var(--ink-soft);padding:1rem 0 0}
@media print{body{background:#fff;font-size:11pt}.page-head{padding:0 0 .8rem}.jump{display:none}section{padding:.8rem 0}section.alt{background:none}.ref{box-shadow:none;break-inside:avoid}.note{background:none;border:1px solid #ccc}a{color:inherit;text-decoration:none}.r-links a{text-decoration:underline}}
.guide .page-head{padding-bottom:1rem}
.guide section{padding:2.6rem 0}
.g-intro{padding-top:1rem}
.glance{list-style:none;margin:1.8rem 0 .4rem!important;padding:0;counter-reset:gl;display:grid;gap:0}
.glance li{counter-increment:gl;display:grid;grid-template-columns:2.4rem 1fr;align-items:baseline;column-gap:.2rem;padding:.55rem 0;border-top:1px solid var(--line);margin:0!important}
.glance li:last-child{border-bottom:1px solid var(--line)}
.glance li::before{content:counter(gl);font-family:var(--serif);font-size:1.35rem;line-height:1;color:var(--ochre-text);grid-row:span 2}
.glance a{font-weight:600;text-decoration:none;color:var(--ink)}
.glance a:hover{text-decoration:underline;color:var(--sage-text)}
.glance span{display:block;grid-column:2;font-size:.9rem;color:var(--ink-soft)}
@media (min-width:860px){.glance{grid-auto-flow:column;grid-auto-columns:1fr;column-gap:1.4rem}.glance li{display:block;border-bottom:0!important;border-top:2px solid var(--ink);padding:.7rem 0 0}.glance li::before{display:block;font-size:2rem;margin-bottom:.35rem}.glance a{line-height:1.3;display:block}.glance span{margin-top:.25rem}}
.guide h2 .n{display:inline-block;min-width:1.25em;color:var(--ochre-text);font-variant-numeric:lining-nums}
.sdemo{max-width:calc(46em + 40px);margin:1.6rem auto 1.3rem;padding:0 20px}
.sd-shell{background:var(--shell-top);border:1px solid var(--rule);border-radius:14px;box-shadow:0 18px 40px rgba(8,30,40,.12);padding:1.3rem 1.3rem 1.6rem;display:flex;flex-direction:column;align-items:center;gap:1.3rem}
:root[data-theme="dark"] .sd-shell{box-shadow:0 18px 40px rgba(0,0,0,.35)}
.sd-top{width:100%;display:flex;align-items:center;gap:1rem;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;font-weight:600;color:var(--ink-soft)}
.sd-top i{flex:1;height:4px;border-radius:4px;background:var(--track);position:relative;overflow:hidden}
.sd-top i b{position:absolute;left:0;top:0;bottom:0;background:var(--teal);border-radius:4px}
.sd-top .sd-prog{text-transform:none;letter-spacing:0;font-weight:400;font-size:.8rem}
.sd-deck{position:relative;width:min(100%,25rem)}
.sd-deck::before,.sd-deck::after{content:"";position:absolute;inset:0;border-radius:12px;background:var(--card-2);border:1px solid var(--rule)}
.sd-deck::before{transform:translate(3px,7px) rotate(1.2deg)}
.sd-deck::after{transform:translate(-2px,4px) rotate(-.8deg)}
.sd-card{position:relative;z-index:1;aspect-ratio:2/1;background:var(--card-2);border:1px solid var(--rule);border-radius:12px; box-shadow:0 1px 0 rgba(8,30,40,.06),0 10px 24px rgba(8,30,40,.10);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:1.2rem 1.1rem;gap:.35rem}
.sd-card b{font-family:var(--serif);font-weight:500;font-size:clamp(1.45rem,4.6vw,2rem);line-height:1.15;color:var(--ink)}
.sd-card .sd-desc{color:var(--ink-soft);font-size:1rem;line-height:1.4}
.sd-card .sd-n{position:absolute;top:.65rem;right:.85rem;font-size:.72rem;color:var(--ink-soft);font-variant-numeric:tabular-nums}
.sd-piles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(.45rem,2.6vw,1.6rem);width:100%;max-width:40rem}
.sd-pile{background:var(--bg);border:1px solid var(--rule);border-radius:12px;box-shadow:inset 0 2px 5px rgba(8,30,40,.05);padding:1rem .4rem .85rem;display:flex;flex-direction:column;align-items:center;text-align:center;gap:.1rem}
.sd-stack{position:relative;width:92px;height:56px;margin-bottom:.5rem}
.sd-stack i{position:absolute;inset:0;border-radius:6px;background:var(--card-2);border:1px solid var(--line);box-shadow:0 1px 2px rgba(8,30,40,.10)}
.sd-stack i:nth-child(2){transform:translateY(-4px) rotate(-1.4deg)}
.sd-stack i:nth-child(3){transform:translateY(-8px) rotate(1.1deg)}
.sd-stack b{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;padding:0 .35rem;font-family:var(--serif);font-weight:500;font-size:.66rem;line-height:1.2}
.sd-stack.l2 b{transform:translateY(-4px)}
.sd-stack.l3 b{transform:translateY(-8px)}
.sd-name{font-weight:600;font-size:.95rem;line-height:1.25}
.sd-count{font-size:.82rem;color:var(--ink-soft);font-variant-numeric:tabular-nums}
.sd-pile.vi .sd-name,.sd-pile.vi .sd-stack b{color:var(--sun-text)}
.sd-pile.imp .sd-name,.sd-pile.imp .sd-stack b{color:var(--sage-text)}
.sd-pile.ni .sd-name,.sd-pile.ni .sd-stack b{color:var(--slate-text)}
.sdemo figcaption{text-align:center;font-size:.9rem;color:var(--ink-soft);margin-top:.8rem}
@media (max-width:560px){.sd-shell{padding:1rem .8rem 1.2rem;gap:1rem}.sd-stack{display:none}.sd-pile{padding:.7rem .3rem}.sd-name{font-size:.82rem}.sd-card .sd-desc{font-size:.92rem}}
.resx{max-width:calc(39rem + 40px);margin:1.4rem auto 1.6rem;padding:0 20px}
.resx-h{font-family:var(--serif);font-weight:500;font-size:1.15rem;text-align:center;margin:0;padding:0 0 .7rem;border-bottom:1px solid var(--line)}
.resx ol{list-style:none;margin:0 0 1.6rem;padding:0;counter-reset:rs}
.resx li{counter-increment:rs;position:relative;padding:1.05rem 0 1.1rem 3.2rem;border-bottom:1px solid var(--line)}
.resx li::before{content:counter(rs);position:absolute;left:0;top:1.15rem;width:2.1rem;height:2.1rem;border-radius:50%;background:var(--teal);color:var(--on-accent); display:flex;align-items:center;justify-content:center;font-size:.9rem;font-weight:600}
.resx .r-name{display:block;font-family:var(--serif);font-weight:500;font-size:1.35rem;line-height:1.2}
.resx .r-desc{display:block;color:var(--ink-soft);font-size:.92rem;margin-top:.1rem}
.resx .rl{margin:.75rem 0 .2rem;font-size:.68rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft)}
.resx li p{margin:0}
.resx .chips{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin:.9rem 0 0}
.chip{display:inline-block;padding:.38rem .8rem;border:1px solid var(--rule);border-radius:8px;background:var(--bg);font-weight:600;font-size:.88rem}
.checkin{list-style:none;margin:1.4rem auto 1.4rem;padding:0 20px;max-width:calc(46em + 40px);counter-reset:ck;display:grid;gap:0}
.checkin li{counter-increment:ck;position:relative;border-top:1px solid var(--line);padding:.95rem 0 .95rem 3rem;font-size:1rem}
.checkin li:last-child{border-bottom:1px solid var(--line)}
.checkin li::before{content:counter(ck);position:absolute;left:0;top:.7rem;font-family:var(--serif);font-size:1.9rem;line-height:1;color:var(--ochre-text)}
.checkin b{display:block;font-family:var(--serif);font-weight:500;font-size:1.12rem;margin-bottom:.15rem}
.prompts{list-style:none;margin:1.2rem 0 1.4rem!important;padding:0;counter-reset:pr}
.prompts li{counter-increment:pr;position:relative;padding:0 0 0 2.4rem;margin:0 0 1.05rem!important}
.prompts li::before{content:counter(pr);position:absolute;left:0;top:-.15rem;font-family:var(--serif);font-size:1.35rem;color:var(--ochre-text)}
.prompts b{font-family:var(--serif);font-weight:500;font-size:1.06rem}
.ws{margin:1rem auto 0;padding:0 20px;max-width:calc(46em + 40px);display:grid;grid-template-columns:minmax(0,210px) 1fr;gap:1.6rem;align-items:start}
.ws img{width:100%;height:auto;border:1px solid var(--rule);border-radius:6px;background:#fff;box-shadow:0 8px 22px rgba(8,30,40,.12)}
.ws figcaption p{margin:0 0 .9rem}
.ws .dlinks{list-style:none;padding:0;margin:0 0 .9rem}
.ws .dlinks li{margin:0 0 .45rem}
@media (max-width:620px){.ws{grid-template-columns:1fr}.ws img{max-width:220px}}
.guide .acts{margin:1.4rem 0 .4rem}
.guide .btn{display:inline-flex;align-items:center;padding:.8rem 1.3rem;border-radius:10px;font-weight:600;text-decoration:none;background:var(--petrol);border:1px solid var(--petrol);color:#fdfcf7;line-height:1.2}
.guide .btn:hover{background:var(--deep);border-color:var(--deep);color:#fdfcf7}
:root[data-theme="dark"] .guide .btn{background:#90c0d5;border-color:#90c0d5;color:#0c2632}
:root[data-theme="dark"] .guide .btn:hover{background:#c3d3da;border-color:#c3d3da;color:#0c2632}
.g-go .badge-row{margin-top:1rem}
.guide .faq-list{margin-top:.6rem}
details.faq summary{cursor:pointer;font-family:var(--serif);font-weight:500;font-size:1.08rem;padding:.85rem 0;list-style:none;display:flex;justify-content:space-between;align-items:baseline;gap:1rem}
details.faq{border-bottom:1px solid var(--line)}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";flex:none;color:var(--sage-text);font-weight:600}
details.faq[open] summary::after{content:"\2212"}
details.faq .faq-a{padding:0 0 1rem;color:var(--ink-soft);font-size:.97rem}
details.faq .faq-a p{margin-bottom:.6rem}
@media print{.sd-shell,.sd-card{box-shadow:none}.guide .acts,.g-go{display:none}}
.ws+.prose{margin-top:1.8rem}
.paper{max-width:calc(40rem + 40px);margin:1.4rem auto 1.4rem;padding:0 20px}
.pp{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(.7rem,3.4vw,2.4rem)}
.pp .pcol{display:flex;flex-direction:column;align-items:center;--ch:12.6rem;--peek:3rem}
.pc{box-sizing:border-box;width:100%;max-width:9.6rem;height:var(--ch);background:#fff;color:#0d3646;border-radius:4px; box-shadow:0 1px 0 rgba(13,54,70,.06),0 6px 16px rgba(13,54,70,.10);border:1px solid rgba(13,54,70,.08); display:flex;flex-direction:column;align-items:center;text-align:center;padding:.85rem .7rem;gap:.45rem;position:relative}
.pc b{font-family:var(--serif);font-weight:500;font-size:1.08rem;line-height:1.15;color:#0d3646}
.pc i{display:block;width:1.6rem;height:2px;background:#86660a;flex:none}
.pc span{font-size:.78rem;line-height:1.35;color:#486470}
.pc:not(.pile){margin-top:calc(var(--peek) - var(--ch))}
.pc.pile+.pc{margin-top:.9rem}
.pcol .pc:nth-child(3){transform:rotate(-1.1deg)}
.pcol .pc:nth-child(4){transform:rotate(.9deg)}
.pc.pile{align-items:flex-start;justify-content:space-between;text-align:left;padding:.85rem .85rem}
.pc.pile b{font-size:1.22rem;line-height:1.1}
.pc.pile small{display:flex;align-items:center;gap:.45rem;font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;color:#486470;font-weight:600}
.pc.pile small::before{content:"";width:.75rem;height:1rem;border-radius:2px;background:var(--sw)}
.pc.vi{--sw:#f3cf48}
.pc.imp{--sw:#a2b5bf}
.pc.ni{--sw:#7d9aa8}
:root[data-theme="dark"] .pc{box-shadow:0 8px 22px rgba(0,0,0,.4);border-color:transparent}
.paper figcaption{text-align:center;font-size:.9rem;color:var(--ink-soft);margin-top:.9rem}
@media (max-width:560px){.pp .pcol{--ch:9.6rem;--peek:2.6rem}.pc{padding:.6rem .45rem;gap:.3rem}.pc b{font-size:.86rem}.pc.pile b{font-size:.9rem}.pc span{font-size:.66rem}.pc.pile small{font-size:.48rem;letter-spacing:.06em}}
dl.times{margin:.4rem 0 1.4rem;display:grid;grid-template-columns:4.2rem 1fr;border-top:1px solid var(--line)}
dl.times dt,dl.times dd{margin:0;padding:.65rem 0;border-bottom:1px solid var(--line)}
dl.times dt{font-family:var(--serif);color:var(--ochre-text);font-variant-numeric:lining-nums tabular-nums;padding-top:.7rem}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){color-scheme:dark;  --paper-deep:#101112; --card:#1E2023; --card-2:#1A1C1F; --ink:#E6E7E6; --ink-soft:#9A9EA1; --sage:#5E8B72; --sage-deep:#4F7A62; --sage-text:#A6C6B2; --sage-tint:rgba(141,179,156,.16); --terra:#B5694C; --terra-deep:#C97A5C; --terra-text:#DFA083; --terra-tint:rgba(217,153,127,.16); --ochre:#B98A3A; --ochre-text:#D6AC5A; --ochre-tint:rgba(214,172,90,.16); --slate:#8A9BA0; --slate-text:#AEBCC0; --slate-tint:rgba(174,188,192,.14); --line:rgba(230,231,230,.14); --shadow:0 4px 14px rgba(0,0,0,.35); --shadow-lg:0 14px 38px rgba(0,0,0,.45); --header-bg:rgba(20,21,23,.92); --shell-top:#222428; --shell-edge:#17181B; --well:#17181B; --track:#0F1012; --highlight:rgba(255,255,255,.06);}}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .theme-toggle .sun{display:none}}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .theme-toggle .moon{display:block}}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .sd-shell{box-shadow:0 18px 40px rgba(0,0,0,.35)}}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .guide .btn{background:#90c0d5;border-color:#90c0d5;color:#0c2632}}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .guide .btn:hover{background:#c3d3da;border-color:#c3d3da;color:#0c2632}}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .pc{box-shadow:0 8px 22px rgba(0,0,0,.4);border-color:transparent}}