[hidden]{display:none!important}
.linkbtn{font:inherit;background:none;border:0;padding:0;color:var(--teal);font-weight:600;text-decoration:underline;cursor:pointer}

/* Layout: a single reading column (~68ch) with full-bleed figure plates and a sticky module rail; teal = science, gold = practice, rust = caution */
:root{
  --bg:#F7F3EE; --surface:#FFFFFF; --ink:#1E2D2F; --muted:#5C6B6D; --line:#E2DCD2;
  --teal:#028090; --teal-soft:#E3F1F2; --gold:#9A7A22; --gold-soft:#F6EED8; --rust:#B23A0A; --rust-soft:#F8E6DD;
  --plate:#FFFFFF; --hero:#1E2D2F; --hero-ink:#F7F3EE;
  --serif:"Source Serif 4", Georgia, "Times New Roman", serif;
  --sans:"Inter", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#141C1D; --surface:#1C2627; --ink:#EAF0EF; --muted:#9FB0B1; --line:#2E3B3C;
  --teal:#4FC3C9; --teal-soft:#173336; --gold:#D8B860; --gold-soft:#2C2818; --rust:#F08A5D; --rust-soft:#33221B;
  --plate:#F4F1EC; --hero:#0E1516; --hero-ink:#EAF0EF; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#141C1D; --surface:#1C2627; --ink:#EAF0EF; --muted:#9FB0B1; --line:#2E3B3C;
  --teal:#4FC3C9; --teal-soft:#173336; --gold:#D8B860; --gold-soft:#2C2818; --rust:#F08A5D; --rust-soft:#33221B;
  --plate:#F4F1EC; --hero:#0E1516; --hero-ink:#EAF0EF; color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;margin:0}
a{color:var(--teal)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.col{max-width:70ch}
h1,h2,h3{font-family:var(--serif);text-wrap:balance;line-height:1.15;margin:0}
h2{font-size:clamp(28px,4vw,40px);font-weight:600}
h3{font-size:22px;font-weight:600}
p{margin:0}
.eyebrow{font-size:13px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--teal)}
.small{font-size:14px;color:var(--muted)}

/* hero */
.hero{background:var(--hero);color:var(--hero-ink)}
.hero .wrap{padding-block:56px 44px;display:grid;grid-template-columns:1.25fr .9fr;gap:40px;align-items:end}
.hero .eyebrow{color:#C9A84C}
.hero h1{font-size:clamp(40px,6.5vw,72px);font-weight:700;margin-top:10px}
.hero .lede{font-size:19px;color:#C9D6D5;margin-top:16px;max-width:52ch}
.meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.meta span{border:1px solid #3B4D4F;border-radius:999px;padding:4px 12px;font-size:13px;color:#C9D6D5}
.synapse{width:100%;max-width:420px;justify-self:end}
.credit{font-size:13px;color:#93A6A6;margin-top:20px;max-width:60ch}
.credit a{color:#C9A84C}

/* module rail */
.rail{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--surface);border-bottom:1px solid var(--line)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--hero)}
.rail .wrap{display:flex;gap:6px;overflow-x:auto;padding-block:10px;scrollbar-width:thin}
.rail a{flex:0 0 auto;text-decoration:none;color:var(--muted);font-size:14px;border:1px solid var(--line);border-radius:8px;padding:6px 12px;white-space:nowrap}
.rail a b{color:var(--ink);font-weight:600;margin-right:4px}
.rail a.here{background:var(--teal);border-color:var(--teal);color:#fff}
.rail a.here b{color:#fff}
.rail a:hover{border-color:var(--teal)}

main{padding-block:40px 80px}
section{padding-block:44px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:22px}
section:first-of-type{border-top:0}
.sec-head{display:flex;gap:18px;align-items:baseline}
.num{font-family:var(--serif);font-size:56px;font-weight:700;color:var(--teal);line-height:1;min-width:1.2ch}
.prose{display:flex;flex-direction:column;gap:14px;max-width:70ch}

/* objectives */
.obj{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.obj div{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px 18px}
.obj b{display:block;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--gold);margin-bottom:6px}

/* self-scan & checklist */
.scan{display:flex;flex-direction:column;gap:8px}
.q{display:flex;justify-content:space-between;gap:16px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 16px}
.q p{min-width:0}
.seg{display:flex;flex:0 0 auto;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{font:inherit;font-size:14px;border:0;background:transparent;color:var(--ink);padding:6px 12px;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--teal);color:#fff}
.seg button.no[aria-pressed="true"]{background:var(--rust)}
.meter{height:8px;background:var(--line);border-radius:99px;overflow:hidden}
.meter i{display:block;height:100%;width:0;background:var(--teal);transition:width .3s}

/* figures */
figure{margin:0;display:flex;flex-direction:column;gap:10px}
.plate{background:var(--plate);border:1px solid var(--line);border-radius:12px;padding:16px;overflow-x:auto}
.plate img{display:block;width:100%;min-width:640px;height:auto}
figcaption{font-size:14px;color:var(--muted);max-width:80ch}
svg text{font-family:var(--sans)}

/* timeline */
.tl{overflow-x:auto}
.tl svg{min-width:720px;width:100%;height:auto}

/* callouts */
.callout{border-radius:10px;padding:16px 18px;display:flex;flex-direction:column;gap:6px;max-width:80ch}
.callout b{font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.callout.caution{background:var(--rust-soft);border-left:4px solid var(--rust)}
.callout.caution b{color:var(--rust)}
.callout.practice{background:var(--gold-soft);border-left:4px solid var(--gold)}
.callout.practice b{color:var(--gold)}
.callout.science{background:var(--teal-soft);border-left:4px solid var(--teal)}
.callout.science b{color:var(--teal)}

/* tables */
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--surface)}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:15px}
th,td{text-align:left;vertical-align:top;padding:10px 14px;border-bottom:1px solid var(--line)}
th{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:var(--bg)}
tr:last-child td{border-bottom:0}
.grade{display:inline-block;font-weight:700;font-size:13px;border-radius:6px;padding:2px 8px}
.gA{background:var(--teal-soft);color:var(--teal)} .gB{background:var(--gold-soft);color:var(--gold)} .gD{background:var(--rust-soft);color:var(--rust)}

/* two-up */
.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.two>div{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px;display:flex;flex-direction:column;gap:8px;min-width:0}
.two ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px}

/* idea cards */
.ideas{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.ideas div{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:6px}
.ideas h4{margin:0;font-family:var(--serif);font-size:18px}
.ideas p{font-size:15px;color:var(--muted)}

/* principles */
.principles{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.principles details{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:0}
.principles summary{list-style:none;cursor:pointer;padding:16px;display:flex;gap:12px;align-items:flex-start}
.principles summary::-webkit-details-marker{display:none}
.principles summary span{font-family:var(--serif);font-size:30px;font-weight:700;color:var(--gold);line-height:1;min-width:1.4ch}
.principles summary b{font-family:var(--serif);font-size:17px;font-weight:600;line-height:1.3}
.principles details[open]{border-color:var(--gold)}
.principles .body{padding:0 16px 16px;font-size:15px;display:flex;flex-direction:column;gap:8px}
.principles .body i{font-style:normal;font-size:13px;color:var(--muted)}

/* quiz */
.quiz{display:flex;flex-direction:column;gap:14px}
.item{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px;display:flex;flex-direction:column;gap:10px}
.item .opts{display:flex;flex-wrap:wrap;gap:8px}
.item .opts button{font:inherit;font-size:15px;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px 14px;cursor:pointer;text-align:left}
.item .opts button:hover{border-color:var(--teal)}
.item .opts button.right{background:var(--teal);border-color:var(--teal);color:#fff}
.item .opts button.wrong{background:var(--rust-soft);border-color:var(--rust);color:var(--rust)}
.item .fb{font-size:15px;color:var(--muted)}
.score{font-family:var(--serif);font-size:22px}
.reset{font:inherit;font-size:14px;background:transparent;border:1px solid var(--line);color:var(--ink);border-radius:8px;padding:6px 12px;cursor:pointer;align-self:flex-start}

/* series */
.series{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
.series a{display:flex;gap:14px;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px}
.series a:hover{border-color:var(--teal)}
.series a span{font-family:var(--serif);font-size:30px;font-weight:700;color:var(--teal);line-height:1}
.series a b{display:block;font-family:var(--serif);font-size:18px}
.series a small{color:var(--muted);font-size:14px}
.refs{font-size:14px;color:var(--muted);columns:2 320px;column-gap:32px}
.refs p{break-inside:avoid;margin-bottom:8px}

@media (max-width:760px){
  .hero .wrap{grid-template-columns:1fr}
  .synapse{justify-self:start;max-width:300px}
  .two{grid-template-columns:1fr}
  .num{font-size:40px}
  .q{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

.obj{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.game{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;max-width:720px}
.game button{font:inherit;font-size:14px;min-height:84px;border-radius:10px;border:1px solid var(--line);background:var(--teal);color:#fff;cursor:pointer;padding:8px;line-height:1.3}
.game button.up{background:var(--surface);color:var(--ink);border-color:var(--teal)}
.game button.done{background:var(--teal-soft);color:var(--teal);border-color:var(--teal);cursor:default}
.gamebar{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.kernel{display:inline-block;font-size:12px;font-weight:600;color:var(--gold);background:var(--gold-soft);border-radius:6px;padding:1px 7px;margin-left:6px}
.dia{overflow-x:auto}
.dia svg{width:100%;min-width:640px;height:auto;display:block}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;counter-reset:s}
.steps div{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:6px}
.steps div::before{counter-increment:s;content:counter(s);font-family:var(--serif);font-size:28px;font-weight:700;color:var(--gold);line-height:1}
.steps h4{margin:0;font-family:var(--serif);font-size:18px}
.steps p{font-size:15px;color:var(--muted)}
.serie{display:flex;flex-direction:column;gap:6px}.serie .small{padding-left:4px}
.cases{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px}
.case{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:10px;min-width:0}
.case .tag{font-size:12px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;color:var(--gold)}
.case ol{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:4px;font-size:15px}
.case details{border-top:1px dashed var(--line);padding-top:10px}
.case summary{cursor:pointer;font-weight:600;color:var(--teal)}
.case details p{margin-top:8px;font-size:15px}
.space{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
.space div{border:1px solid var(--line);border-radius:10px;padding:12px;background:var(--surface);display:flex;flex-direction:column;gap:4px;opacity:.55}
.space div.on{opacity:1;border-color:var(--teal);background:var(--teal-soft)}
.space b{font-family:var(--serif);font-size:28px;color:var(--teal);line-height:1}
.space span{font-size:13px;font-weight:600}
.space small{font-size:12px;color:var(--muted)}
.research{background:var(--hero);color:var(--hero-ink);border-radius:12px;padding:22px;display:flex;flex-direction:column;gap:10px}
.research .eyebrow{color:#C9A84C}
.research p{color:#C9D6D5;max-width:75ch}
.research a{color:#C9A84C}
.task{display:grid;grid-template-columns:1fr 1.2fr;gap:14px}
.task>div{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:10px;min-width:0}
textarea{font:inherit;font-size:15px;width:100%;min-height:150px;border:1px solid var(--line);border-radius:8px;padding:10px;background:var(--bg);color:var(--ink);resize:vertical}
.btn{font:inherit;font-size:15px;font-weight:600;border:0;border-radius:8px;padding:9px 16px;background:var(--teal);color:#fff;cursor:pointer;align-self:flex-start}
.btn[disabled]{opacity:.5;cursor:default}
.status{font-size:14px;color:var(--muted)}
.passbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.pill{font-size:13px;font-weight:600;border-radius:999px;padding:3px 10px;background:var(--line);color:var(--ink)}
.pill.ok{background:var(--teal);color:#fff}
.lmsbar{background:var(--surface);border-bottom:1px solid var(--line)}
.lmsbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-block:8px;flex-wrap:wrap;font-size:14px}
.lmsbar a{color:var(--teal);font-weight:600;text-decoration:none}
@media (max-width:760px){.space{grid-template-columns:repeat(2,minmax(0,1fr))}.task{grid-template-columns:1fr}}
@media (max-width:560px){.game{grid-template-columns:repeat(3,minmax(0,1fr))}}

.ba td:first-child{font-weight:600}
.ba td:nth-child(2){color:var(--rust)} .ba td:nth-child(3){color:var(--teal)}
.further{display:flex;flex-direction:column;gap:10px}
.further>div{display:flex;gap:14px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px 16px}
.further span{flex:0 0 auto;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--gold);background:var(--gold-soft);border-radius:6px;padding:2px 8px;margin-top:3px}
.further p{font-size:15px;min-width:0;flex:1}
.further a{font-size:14px;white-space:nowrap}
.terms{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}
.terms div{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.terms b{display:block;font-family:var(--serif);font-size:16px;color:var(--teal)}
.terms p{font-size:14px;color:var(--muted)}
.tutor-cta{background:var(--hero);color:var(--hero-ink);border-radius:12px;padding:20px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.tutor-cta p{max-width:60ch;color:#C9D6D5}
.tutor-cta a{background:#C9A84C;color:#1E2D2F;text-decoration:none;font-weight:600;border-radius:8px;padding:10px 16px}
@media (max-width:560px){.further>div{flex-direction:column;gap:6px}}

:root{--sage:#E8F0EA;--sage-ink:#2F5D50;--air:#FBFAF7}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--sage:#1A2925;--sage-ink:#9CCBB8;--air:#182122}}
:root[data-theme="dark"]{--sage:#1A2925;--sage-ink:#9CCBB8;--air:#182122}
body{font-size:18px;line-height:1.72}
.prose{max-width:66ch;gap:18px}
.prose p,.prose li{text-wrap:pretty}
main section{padding-block:52px;gap:26px}
.eyebrow{letter-spacing:.1em;font-size:12.5px}
h2{font-size:clamp(26px,3.4vw,36px)}
.hero .wrap{padding-block:48px 40px}
.hero .lede{max-width:46ch}
.hero .credit{display:none}
.resume{display:inline-flex;gap:8px;align-items:center;margin-top:18px;background:#C9A84C;color:#1E2D2F;text-decoration:none;font-weight:600;border-radius:999px;padding:10px 18px;font-size:15px}
.resume[hidden]{display:none}
#np-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--teal);z-index:20;transition:width .2s linear}
.mins{font-size:14px;color:var(--muted);margin-top:-14px}
.sec-head+.mins,.sec-head .mins{margin-top:-6px}
/* path */
.path{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:28px;margin-top:40px;gap:18px}
main .path{padding-block:28px}
.path-head{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;align-items:flex-end}
.path-head h2{font-size:clamp(22px,2.6vw,28px);max-width:26ch}
.path-tip{max-width:46ch;font-size:15px;color:var(--muted)}
.path-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.path-list a{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;text-decoration:none;color:var(--ink);border-radius:12px;padding:12px 14px;background:var(--air);border:1px solid transparent}
.path-list a:hover{border-color:var(--teal)}
.path-list .tick{width:22px;height:22px;border-radius:50%;border:2px solid var(--line);display:inline-block}
.path-list li.done .tick{background:var(--teal);border-color:var(--teal);box-shadow:inset 0 0 0 4px var(--surface)}
.path-list li.here a{border-color:var(--teal)}
.path-list .pl{display:flex;flex-direction:column;min-width:0}
.path-list small{color:var(--muted);font-size:14px;line-height:1.4}
.path-list em{font-style:normal;font-size:14px;color:var(--muted);white-space:nowrap}
.path-more{font-size:15px;color:var(--muted)}
/* stages */
.stage{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;margin-top:56px;padding:26px 0 8px;border-top:2px solid var(--ink);scroll-margin-top:70px}
.stage-n{width:52px;height:52px;border-radius:50%;background:var(--teal);color:#fff;display:grid;place-items:center;font-family:var(--serif);font-size:26px;font-weight:700}
.stage-k{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;color:var(--muted)}
.stage-h{font-size:clamp(30px,4.4vw,44px)}
.stage-p{color:var(--muted);font-size:16px;margin-top:4px;max-width:60ch}
.stage-time{font-size:14px;color:var(--muted);white-space:nowrap}
.stage+section,.session-mark+section{border-top:0}
.session-mark{display:flex;gap:12px;align-items:baseline;margin-top:28px;scroll-margin-top:70px}
.session-mark span{font-weight:700;color:var(--teal);font-size:15px;letter-spacing:.04em}
.session-mark em{font-style:normal;color:var(--muted);font-size:14px}
/* pauses and breaks */
.pause{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;background:var(--sage);color:var(--ink);border-radius:16px;padding:18px 22px;margin:8px 0}
.pause b{color:var(--sage-ink);font-size:15px}
.pause p{font-size:16px;margin-top:2px;max-width:62ch}
.pause-dot{width:18px;height:18px;border-radius:50%;background:var(--sage-ink);opacity:.55;animation:breathe 10s ease-in-out infinite}
.pause-btn{font:inherit;font-size:14px;font-weight:600;color:var(--sage-ink);background:transparent;border:1px solid var(--sage-ink);border-radius:999px;padding:7px 14px;cursor:pointer;white-space:nowrap}
.pause+section{border-top:0}
.sbreak{background:var(--surface);border:1px solid var(--line);border-left:6px solid var(--gold);border-radius:16px;padding:24px 26px;margin:20px 0 8px;display:flex;flex-direction:column;gap:10px}
.sbreak h3{font-size:24px}
.sbreak p{max-width:64ch}
.sbreak-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.sbreak .btn{text-decoration:none}
.btn.ghost{background:transparent;color:var(--teal);border:1px solid var(--teal)}
.sbreak-msg{font-size:14px;color:var(--muted)}
/* folded material */
details.more{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin:10px 0}
details.more>summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px 22px}
details.more>summary::-webkit-details-marker{display:none}
details.more>summary span{display:flex;flex-direction:column}
details.more>summary b{font-family:var(--serif);font-size:20px}
details.more>summary small{color:var(--muted);font-size:15px}
details.more>summary em{font-style:normal;color:var(--muted);font-size:14px;white-space:nowrap;display:flex;gap:10px;align-items:center}
details.more>summary em::after{content:"+";font-size:22px;color:var(--teal);font-weight:600;line-height:1}
details.more[open]>summary em::after{content:"–"}
details.more>section{padding:4px 22px 26px;border-top:0}
details.more>section>.eyebrow,details.more>section>h2:first-of-type{display:none}
.deeper{display:flex;flex-direction:column}
/* one-minute pause overlay */
.np-pause{position:fixed;inset:0;z-index:50;background:rgba(20,30,31,.94);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:grid;place-items:center;color:#F1F5F3;padding:24px}
.np-pause[hidden]{display:none}
.np-pause-in{display:flex;flex-direction:column;align-items:center;gap:22px;text-align:center;max-width:420px}
.np-orb{width:170px;height:170px;border-radius:50%;background:radial-gradient(circle at 40% 35%,#9CCBB8,#2F5D50);animation:breathe 10s ease-in-out infinite}
.np-cue{font-family:var(--serif);font-size:28px}
.np-left{font-size:15px;color:#B8C7C3}
.np-pause button{font:inherit;color:#F1F5F3;background:transparent;border:1px solid #B8C7C3;border-radius:999px;padding:8px 18px;cursor:pointer}
@keyframes breathe{0%,100%{transform:scale(.72)}40%{transform:scale(1)}}
@media (prefers-reduced-motion: reduce){.np-orb,.pause-dot{animation:none}#np-progress{transition:none}}
@media (max-width:640px){
 .pause{grid-template-columns:1fr;gap:10px;padding:16px}
 .pause-dot{display:none}
 .pause-btn{justify-self:start}
 .stage{grid-template-columns:auto 1fr;gap:14px}
 .stage-time{grid-column:2}
 .stage-n{width:42px;height:42px;font-size:21px}
 .path{padding:20px}
 .path-list a{grid-template-columns:auto 1fr;gap:10px}
 .path-list em{grid-column:2}
 details.more>summary{padding:16px}
 details.more>section{padding:4px 16px 22px}
}
@media print{.pause,.sbreak,#np-progress,.path,.np-pause{display:none!important}details.more{border:0}}

.checkin fieldset{border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin:0;display:flex;flex-direction:column;gap:8px;background:var(--surface)}
.checkin legend{font-weight:600;font-size:15px;padding:0 6px}
.ck-scale{display:flex;gap:8px;flex-wrap:wrap}
.ck-r{position:relative}
.ck-r input{position:absolute;opacity:0;inset:0;cursor:pointer}
.ck-r span{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);font-weight:700;font-size:17px;background:var(--bg);cursor:pointer}
.ck-r input:checked+span{background:var(--teal);color:#fff;border-color:var(--teal)}
.ck-r input:focus-visible+span{outline:2px solid var(--teal);outline-offset:2px}
.ck-ends{display:flex;justify-content:space-between;max-width:290px}
.checkin textarea{min-height:80px}
.ck-status{font-size:15px}
.ck-status .ok-line{color:var(--teal);font-weight:600}
.ck-status .todo{color:var(--rust)}
.ck-reply{background:var(--gold-soft);border:2px solid var(--gold);border-radius:14px;padding:16px 18px;display:flex;flex-direction:column;gap:6px}
.ck-reply.ask{background:var(--rust-soft);border-color:var(--rust)}
.ck-reply.ask>b{color:var(--rust)}