/* Шрифты локально (Google Fonts: Unbounded, Golos Text, Caveat, JetBrains Mono — OFL), подмножества cyrillic + latin */
@font-face {
  font-family: 'Caveat';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/assets/fonts/caveat-cyrillic-9518b2.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'Caveat';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/assets/fonts/caveat-latin-947ed1.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Caveat';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/assets/fonts/caveat-cyrillic-9518b2.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'Caveat';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/assets/fonts/caveat-latin-947ed1.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Golos Text';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/fonts/golos-text-cyrillic-d324f9.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'Golos Text';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/fonts/golos-text-latin-e0c165.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Golos Text';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/assets/fonts/golos-text-cyrillic-d324f9.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'Golos Text';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/assets/fonts/golos-text-latin-e0c165.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Golos Text';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/assets/fonts/golos-text-cyrillic-d324f9.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'Golos Text';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/assets/fonts/golos-text-latin-e0c165.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/fonts/jetbrains-mono-cyrillic-eb83d8.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/fonts/jetbrains-mono-latin-cc27b3.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/assets/fonts/jetbrains-mono-cyrillic-eb83d8.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/assets/fonts/jetbrains-mono-latin-cc27b3.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Unbounded';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url(/assets/fonts/unbounded-cyrillic-a19d93.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'Unbounded';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url(/assets/fonts/unbounded-latin-9b3963.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Unbounded';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/assets/fonts/unbounded-cyrillic-a19d93.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'Unbounded';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/assets/fonts/unbounded-latin-9b3963.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Unbounded';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url(/assets/fonts/unbounded-cyrillic-a19d93.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'Unbounded';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url(/assets/fonts/unbounded-latin-9b3963.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* базовый сброс (в артефакт-версии его давал каркас просмотрщика) */
:root{color-scheme:light}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}
.foot-brand{display:flex;align-items:center;gap:10px}
.foot-brand img{flex:none;border-radius:6px}
:root{
  --paper:#F3F4F7; --sheet:#FFFFFF; --ink:#161C45; --ink-2:#454C72; --ink-3:#5F6687;
  --line:#D5DAE6; --grid:#E5E9F1;
  --pen:#E0452B; --pen-text:#C03A22;
  --blue:#2F3FB0; --blue-wash:rgba(47,63,176,.09); --blue-soft:#E4E7F8;
  --hl:#FFE45C; --hl-ink:#161C45;
  --phone:#151A40; --phone-2:#252C63; --phone-frame:#0A0D22;
  --shadow:0 1px 2px rgba(22,28,69,.06),0 12px 32px rgba(22,28,69,.10);
  --f-display:"Unbounded","Arial Black",system-ui,sans-serif;
  --f-body:"Golos Text",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-hand:"Caveat","Segoe Print","Comic Sans MS",cursive;
  --f-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#0F1328; --sheet:#161B33; --ink:#E7E9F4; --ink-2:#B4B9D1; --ink-3:#9097B4;
    --line:#2B3253; --grid:#151A33;
    --pen:#F0603F; --pen-text:#FF7E62;
    --blue:#7B88F0; --blue-wash:rgba(123,136,240,.13); --blue-soft:#232A55;
    --hl:#F2D94E;
    --phone:#0B0E22; --phone-2:#1B2154; --phone-frame:#05060F;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 12px 32px rgba(0,0,0,.35);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#0F1328; --sheet:#161B33; --ink:#E7E9F4; --ink-2:#B4B9D1; --ink-3:#9097B4;
  --line:#2B3253; --grid:#151A33;
  --pen:#F0603F; --pen-text:#FF7E62;
  --blue:#7B88F0; --blue-wash:rgba(123,136,240,.13); --blue-soft:#232A55;
  --hl:#F2D94E;
  --phone:#0B0E22; --phone-2:#1B2154; --phone-frame:#05060F;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 12px 32px rgba(0,0,0,.35);
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  background-color:var(--paper);
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:24px 24px;
  color:var(--ink);
  font-family:var(--f-body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0}
a{color:var(--blue);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:3px}
button{font:inherit;color:inherit}

.wrap{max-width:1120px;margin-inline:auto;padding-inline:20px}

/* reading progress: highlighter stroke */
.progress{position:fixed;left:0;right:0;top:0;height:calc(4px + env(safe-area-inset-top,0px));z-index:20;pointer-events:none}
.progress i{position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--hl);transform-origin:left;transform:scaleX(0)}

/* type */
.eyebrow{font-size:.74rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3)}
h2{font-family:var(--f-display);font-weight:600;font-size:clamp(1.5rem,1.05rem + 1.8vw,2.3rem);line-height:1.15;letter-spacing:-.01em;text-wrap:balance}
h3{font-family:var(--f-body);font-weight:600;font-size:1.12rem;line-height:1.3}
mark{color:var(--hl-ink);background:linear-gradient(100deg,transparent .12em,var(--hl) .12em,var(--hl) calc(100% - .12em),transparent calc(100% - .12em));padding:0 .18em;border-radius:.25em .45em .3em .5em;-webkit-box-decoration-break:clone;box-decoration-break:clone}
sup{line-height:0}
a.ref{font-size:.68em;font-weight:600;text-decoration:none;padding-inline:.12em;font-variant-numeric:tabular-nums}
a.ref::before{content:"["}
a.ref::after{content:"]"}
.muted{color:var(--ink-3)}

/* hero */
.hero{display:grid;gap:44px;padding-block:64px 48px;align-items:center}
@media (min-width:900px){.hero{grid-template-columns:minmax(0,1.35fr) minmax(0,.8fr);padding-block:88px 64px}}
.hero-text{display:flex;flex-direction:column;gap:22px;min-width:0}
h1{font-family:var(--f-display);font-weight:800;font-size:clamp(2.5rem,1.1rem + 6vw,6.1rem);line-height:1.02;letter-spacing:-.025em;padding-top:.62em;text-wrap:balance}
.struck{position:relative;display:inline-block;white-space:nowrap}
.strike{position:absolute;left:-3%;top:30%;width:106%;height:.4em;overflow:visible;pointer-events:none}
.strike path{fill:none;stroke:var(--pen);stroke-width:6;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1;animation:draw .7s .35s cubic-bezier(.6,.1,.3,1) forwards}
.fix{position:absolute;left:.12em;bottom:88%;font-family:var(--f-hand);font-weight:700;font-size:.54em;line-height:1;letter-spacing:0;color:var(--pen);transform:rotate(-5deg);transform-origin:left bottom;white-space:nowrap}
.fix.bump{animation:bump .45s ease-out}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes bump{0%{transform:rotate(-5deg) scale(.6);opacity:.2}60%{transform:rotate(-7deg) scale(1.08);opacity:1}100%{transform:rotate(-5deg) scale(1)}}
@media (prefers-reduced-motion:reduce){.strike path{animation:none;stroke-dashoffset:0}.fix.bump{animation:none}}
.lead{font-size:clamp(1.05rem,1rem + .3vw,1.22rem);line-height:1.55;color:var(--ink-2);max-width:40rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.btn{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 20px;border-radius:999px;font-weight:600;font-size:1rem;text-decoration:none;cursor:pointer;border:1.5px solid transparent;transition:transform .15s ease,background-color .15s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--blue);color:#fff}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--hl);color:var(--hl-ink);border-color:var(--hl-ink)}
.btn svg{width:20px;height:20px;flex:none}
.snooze-msg{font-family:var(--f-hand);font-size:1.45rem;line-height:1.2;color:var(--pen-text);min-height:1.2em}

/* phone */
.phone{justify-self:center;width:100%;max-width:330px;border:10px solid var(--phone-frame);border-radius:48px;padding:40px 14px 26px;color:#fff;
  background-color:var(--phone);
  background-image:radial-gradient(120% 70% at 80% 0%,var(--phone-2),transparent 70%),linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:auto,18px 18px,18px 18px;
  box-shadow:var(--shadow);position:relative;transform:rotate(2deg)}
.phone::before{content:"";position:absolute;top:10px;left:50%;width:92px;height:24px;margin-left:-46px;border-radius:999px;background:var(--phone-frame)}
.ph-top{text-align:center;display:flex;flex-direction:column;gap:2px;margin-bottom:22px}
.ph-date{font-size:.9rem;color:rgba(255,255,255,.78);text-transform:lowercase}
.ph-clock{font-family:var(--f-display);font-weight:300;font-size:4rem;line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.notifs{list-style:none;padding:0;display:flex;flex-direction:column;gap:8px}
.n{background:rgba(255,255,255,.13);border-radius:18px;padding:11px 14px 12px;font-size:.86rem;line-height:1.35;display:flex;flex-direction:column;gap:1px}
.n b{font-weight:600}
.n span:last-child{color:rgba(255,255,255,.82)}
.n-head{display:flex;justify-content:space-between;align-items:center;font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.7);margin-bottom:3px}
.n-app{display:inline-flex;align-items:center;gap:7px}
.n-app::before{content:"";width:16px;height:16px;border-radius:5px;background:#5B6BE0}
.n-chat::before{background:#3FB37F}
.n-feed::before{background:#F0603F}
.n-alarm::before{background:#FFE45C}
.n-time{text-transform:none;letter-spacing:0}

/* toc */
.toc{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:baseline;padding-block:18px 36px}
.toc a{color:var(--ink);text-decoration:none;font-weight:500;font-size:.95rem;background:linear-gradient(var(--hl),var(--hl)) no-repeat 0 88%/0 .38em;transition:background-size .2s ease}
.toc a:hover,.toc a:focus-visible{background-size:100% .38em}

/* sections */
.sec{display:grid;grid-template-columns:minmax(0,1fr);gap:26px;padding-block:60px;border-top:1px solid var(--line)}
@media (min-width:1024px){
  .sec{grid-template-columns:minmax(0,700px) minmax(0,1fr);column-gap:56px}
  .sec > .full{grid-column:1/-1}
  .note{border-left:2px solid color-mix(in srgb,var(--pen) 45%,transparent);padding-left:22px;align-self:start;margin-top:84px}
}
.main{display:flex;flex-direction:column;gap:16px;min-width:0}
.main p,.main li{max-width:66ch}
.note{font-family:var(--f-hand);font-size:1.5rem;line-height:1.2;color:var(--pen-text);transform:rotate(-1.2deg);display:flex;flex-direction:column;gap:12px;min-width:0}
.note small{font-size:.8em;display:block}

/* numbers */
.figs{display:grid;grid-template-columns:minmax(0,1fr);gap:24px 32px}
@media (min-width:640px){.figs{grid-template-columns:repeat(3,minmax(0,1fr))}}
.fig{display:flex;flex-direction:column;gap:8px}
.fig-n{font-family:var(--f-display);font-weight:600;font-size:clamp(2.2rem,1.6rem + 2.4vw,3.3rem);line-height:1;letter-spacing:-.02em}
.fig-n span{background:linear-gradient(transparent 62%,var(--hl) 62%,var(--hl) 92%,transparent 92%);padding-inline:.06em}
.fig figcaption{color:var(--ink-2);font-size:.98rem;line-height:1.45;max-width:24ch}

/* loop diagram */
.loop{background:var(--sheet);border:1px solid var(--line);border-radius:6px;padding:24px;display:grid;gap:24px}
@media (min-width:880px){.loop{grid-template-columns:minmax(0,560px) minmax(0,1fr);align-items:center}}
.loop svg{width:100%;height:auto;display:block}
.loop-svg{display:none}
.loop-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px;counter-reset:l}
.loop-list li{display:grid;grid-template-columns:28px 1fr;gap:10px;align-items:start}
.loop-list li::before{counter-increment:l;content:counter(l);font-family:var(--f-mono);font-size:.8rem;font-weight:600;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--blue-soft);color:var(--ink)}
.loop-list li:last-child::after{content:"↻ и снова к шагу 1";grid-column:2;font-family:var(--f-hand);font-size:1.3rem;color:var(--pen-text)}
@media (min-width:600px){.loop-svg{display:block}.loop-list{display:none}}
.loop-cap{display:flex;flex-direction:column;gap:12px;color:var(--ink-2);font-size:.98rem}
.d-circle{fill:none;stroke:var(--line);stroke-width:2}
.d-arrow{fill:var(--pen)}
.d-box{fill:var(--sheet);stroke:var(--ink-3);stroke-width:1.2}
.d-box-hl{fill:var(--hl);stroke:var(--hl-ink);stroke-width:1.2}
.d-t{fill:var(--ink);font-family:var(--f-body);font-weight:600;font-size:16px}
.d-s{fill:var(--ink-2);font-family:var(--f-body);font-size:13px}
.d-hl-t{fill:var(--hl-ink)}
.d-c1{fill:var(--ink-3);font-family:var(--f-body);font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.d-c2{fill:var(--pen-text);font-family:var(--f-hand);font-size:24px}

/* factors */
.factors{display:grid;grid-template-columns:minmax(0,1fr);gap:32px 48px}
@media (min-width:720px){.factors{grid-template-columns:repeat(2,minmax(0,1fr))}}
.factor{display:flex;flex-direction:column;gap:10px;padding-top:16px;border-top:2px solid var(--ink)}
.factor p{color:var(--ink-2)}
.factor-k{font-family:var(--f-mono);font-size:.78rem;color:var(--ink-3);letter-spacing:.02em}

/* glossary */
.gloss{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:0 40px}
.gloss > div{padding-block:18px;border-bottom:1px dashed var(--line);display:flex;flex-direction:column;gap:6px}
.gloss dt{font-family:var(--f-display);font-weight:600;font-size:1.08rem;line-height:1.3}
.gloss dt small{font-family:var(--f-mono);font-weight:400;font-size:.72rem;color:var(--ink-3);margin-left:6px;letter-spacing:0;white-space:nowrap}
.gloss dd{color:var(--ink-2);font-size:.98rem}
.gloss .origin{display:block;font-size:.84rem;color:var(--ink-3);margin-top:4px}

/* myths */
.myths{list-style:none;padding:0;display:flex;flex-direction:column;gap:28px}
.myth{display:grid;gap:8px}
.myth q{quotes:"«" "»";font-family:var(--f-display);font-weight:600;font-size:clamp(1.05rem,.95rem + .6vw,1.35rem);line-height:1.35;text-decoration:line-through;text-decoration-color:var(--pen);text-decoration-thickness:3px;color:var(--ink)}
.myth p{color:var(--ink-2)}
.tag{font-size:.7rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--pen-text)}

/* calculator */
.calc{background:var(--sheet);border:1px solid var(--line);border-radius:6px;padding:clamp(18px,3vw,32px);display:grid;gap:28px;box-shadow:var(--shadow)}
@media (min-width:960px){.calc{grid-template-columns:minmax(0,320px) minmax(0,1fr);column-gap:40px}}
.formula{font-family:var(--f-mono);font-size:.95rem;line-height:1.5;padding:14px 16px;border-radius:4px;background:var(--blue-soft);color:var(--ink);overflow-x:auto}
.formula .frac{display:inline-flex;flex-direction:column;align-items:center;vertical-align:middle;margin-inline:.3em}
.formula .frac span:first-child{border-bottom:1.5px solid var(--ink);padding:0 .3em}
.presets{display:flex;flex-wrap:wrap;gap:8px}
.chip-btn{min-height:36px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--paper);cursor:pointer;font-size:.88rem;font-weight:500}
.chip-btn:hover{border-color:var(--ink)}
.chip-btn[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.controls{display:flex;flex-direction:column;gap:18px}
.ctl{display:grid;grid-template-columns:1fr auto;gap:4px 12px;align-items:baseline}
.ctl label{font-weight:500;font-size:.95rem}
.ctl output{font-family:var(--f-mono);font-size:.86rem;font-weight:600;font-variant-numeric:tabular-nums;color:var(--ink)}
.ctl input{grid-column:1/-1;width:100%;accent-color:var(--blue);height:24px;margin:0}
.ctl .hint{grid-column:1/-1;font-size:.8rem;color:var(--ink-3);line-height:1.35}
.chart-side{display:flex;flex-direction:column;gap:16px;min-width:0}
.verdict{font-size:1.12rem;font-weight:500;line-height:1.45}
.legend{display:flex;flex-wrap:wrap;gap:6px 20px;font-size:.88rem;color:var(--ink-2)}
.legend span{display:inline-flex;align-items:center;gap:8px}
.legend i{width:18px;height:0;border-top:2px solid;display:inline-block}
.legend .k-task{border-color:var(--blue)}
.legend .k-tempt{border-color:var(--pen)}
.legend .k-zone{width:14px;height:12px;border:0;background:var(--blue-wash);outline:1px solid var(--line)}
.chart-wrap{position:relative;width:100%;min-width:0}
.chart-wrap svg{display:block;width:100%;height:auto;touch-action:pan-y}
.c-grid{stroke:var(--line);stroke-width:1}
.c-axis{stroke:var(--ink-3);stroke-width:1}
.c-tick{fill:var(--ink-3);font-family:var(--f-body);font-size:12px;font-variant-numeric:tabular-nums}
.c-title{fill:var(--ink-3);font-family:var(--f-body);font-size:12px}
.c-zone{fill:var(--blue-wash)}
.c-zone-label{fill:var(--ink-2);font-family:var(--f-body);font-size:12px;font-weight:500}
.c-task{fill:none;stroke:var(--blue);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.c-tempt{stroke:var(--pen);stroke-width:2;stroke-linecap:round}
.c-dot-task{fill:var(--blue);stroke:var(--sheet);stroke-width:2}
.c-dot-tempt{fill:var(--pen);stroke:var(--sheet);stroke-width:2}
.c-cross{fill:var(--ink);stroke:var(--sheet);stroke-width:2}
.c-end{fill:var(--ink-2);font-family:var(--f-body);font-size:12px;font-variant-numeric:tabular-nums}
.c-ann{fill:var(--ink);font-family:var(--f-body);font-size:12.5px;font-weight:600}
.c-vline{stroke:var(--ink-3);stroke-width:1}
.chart-wrap svg:focus-visible{outline:2px solid var(--blue);outline-offset:4px}
.tip{position:absolute;top:8px;pointer-events:none;background:var(--sheet);border:1px solid var(--line);border-radius:6px;box-shadow:var(--shadow);padding:8px 12px;font-size:.84rem;line-height:1.4;min-width:150px;z-index:2}
.tip-h{color:var(--ink-3);font-size:.78rem;margin-bottom:4px}
.tip-r{display:flex;align-items:center;gap:8px}
.tip-r i{width:14px;height:0;border-top:2px solid}
.tip-r b{font-variant-numeric:tabular-nums;font-weight:600;min-width:2.6em}
.tip-r span{color:var(--ink-2)}
.tip-w{margin-top:4px;font-weight:600;font-size:.8rem}
.live-formula{font-family:var(--f-mono);font-size:.82rem;color:var(--ink-2);line-height:1.6;overflow-x:auto}
details.tbl summary{cursor:pointer;font-weight:500;font-size:.92rem;color:var(--blue)}
.tbl-scroll{overflow-x:auto;max-height:280px;overflow-y:auto;margin-top:10px;border:1px solid var(--line);border-radius:4px}
.tbl-scroll table{border-collapse:collapse;width:100%;font-size:.86rem;font-variant-numeric:tabular-nums}
.tbl-scroll th,.tbl-scroll td{padding:6px 12px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl-scroll th{position:sticky;top:0;background:var(--sheet);font-weight:600;color:var(--ink-2)}
.tbl-scroll td:last-child,.tbl-scroll th:last-child{text-align:left}

/* quiz */
.quiz{display:grid;gap:28px}
@media (min-width:960px){.quiz{grid-template-columns:minmax(0,1fr) minmax(0,340px);align-items:start}}
.qs{display:flex;flex-direction:column;gap:14px;min-width:0}
.q{border:0;padding:16px 0 18px;margin:0;border-bottom:1px dashed var(--line);min-width:0}
.q legend{padding:0;font-weight:500;font-size:1.02rem;line-height:1.4;margin-bottom:12px;display:flex;gap:10px}
.q legend .qn{font-family:var(--f-mono);font-size:.78rem;color:var(--ink-3);padding-top:.25em;flex:none}
.scale{display:flex;flex-wrap:wrap;gap:6px;position:relative}
.scale input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.scale label{min-height:38px;padding:0 13px;display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:999px;background:var(--sheet);font-size:.88rem;cursor:pointer;user-select:none;transition:background-color .12s ease,border-color .12s ease}
.scale label:hover{border-color:var(--ink)}
.scale input:checked + label{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.scale input:focus-visible + label{outline:2px solid var(--blue);outline-offset:2px}
.result{background:var(--sheet);border:1px solid var(--line);border-radius:6px;padding:22px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow)}
@media (min-width:960px){.result{position:sticky;top:calc(24px + env(safe-area-inset-top,0px))}}
.qprog{font-family:var(--f-mono);font-size:.82rem;color:var(--ink-3)}
.qbar{height:6px;border-radius:3px;background:var(--line);overflow:hidden}
.qbar i{display:block;height:100%;background:var(--ink);width:0;transition:width .2s ease}
.band-scale{position:relative;padding-top:18px}
.band-track{display:grid;grid-template-columns:9fr 12fr 12fr;gap:2px;height:12px}
.band-track span{border-radius:2px}
.band-track span:nth-child(1){background:var(--blue-soft)}
.band-track span:nth-child(2){background:color-mix(in srgb,var(--blue) 35%,var(--sheet))}
.band-track span:nth-child(3){background:color-mix(in srgb,var(--blue) 65%,var(--sheet))}
.band-labels{display:grid;grid-template-columns:9fr 12fr 12fr;gap:2px;font-size:.72rem;color:var(--ink-3);margin-top:4px;font-variant-numeric:tabular-nums}
.band-marker{position:absolute;top:0;width:0;height:0;border-left:7px solid transparent;border-right:7px solid transparent;border-top:10px solid var(--pen);transform:translateX(-7px);transition:left .25s ease}
.q-score{font-family:var(--f-display);font-weight:600;font-size:2rem;line-height:1}
.q-score small{font-family:var(--f-body);font-weight:400;font-size:.9rem;color:var(--ink-3);margin-left:6px}
.q-band{font-weight:600;font-size:1.1rem}
.q-text{color:var(--ink-2);font-size:.95rem}
.q-tips{list-style:none;padding:0;display:flex;flex-direction:column;gap:12px}
.q-tips li{padding:12px 14px;border-radius:4px;background:var(--blue-soft);display:flex;flex-direction:column;gap:4px;font-size:.92rem}
.q-tips b{font-weight:600}
.q-tips a{font-size:.85rem}
.q-note{font-size:.8rem;color:var(--ink-3);line-height:1.45}
.linkbtn{background:none;border:0;padding:0;color:var(--blue);cursor:pointer;text-decoration:underline;text-underline-offset:.18em;font-size:.88rem;align-self:flex-start}

/* help cards */
.cards{display:grid;grid-template-columns:minmax(0,1fr);gap:18px}
@media (min-width:720px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
.card{background:var(--sheet);border:1px solid var(--line);border-radius:6px;padding:20px 22px;display:flex;flex-direction:column;gap:10px;scroll-margin-top:24px}
.card:target{outline:2px solid var(--hl);outline-offset:3px}
.card p{font-size:.96rem;color:var(--ink-2)}
.card .do{color:var(--ink)}
.ev{display:inline-flex;align-items:center;gap:7px;font-size:.74rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3)}
.ev i{width:9px;height:9px;border-radius:50%;border:1.5px solid var(--blue);display:inline-block}
.ev i.on{background:var(--blue)}
.ev-legend{display:flex;flex-wrap:wrap;gap:8px 22px}

/* start timer */
.start{display:grid;gap:26px;background:var(--ink);color:var(--paper);border-radius:6px;padding:clamp(22px,4vw,44px)}
@media (min-width:880px){.start{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center}}
.start h2{color:var(--paper)}
.start p{color:color-mix(in srgb,var(--paper) 82%,var(--ink))}
.start .readtime{font-family:var(--f-mono);font-weight:600;background:var(--hl);color:var(--hl-ink);padding:0 .3em;border-radius:3px}
.timer{display:flex;flex-direction:column;gap:14px}
.timer label{font-size:.9rem;font-weight:500}
.timer input[type=text]{width:100%;min-height:46px;border-radius:4px;border:1px solid color-mix(in srgb,var(--paper) 30%,var(--ink));background:color-mix(in srgb,var(--paper) 8%,var(--ink));color:var(--paper);padding:0 14px;font:inherit;font-size:1rem}
.timer input[type=text]::placeholder{color:color-mix(in srgb,var(--paper) 55%,var(--ink))}
.t-display{font-family:var(--f-mono);font-weight:600;font-size:clamp(3.4rem,2.4rem + 5vw,5.6rem);line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.t-bar{height:6px;border-radius:3px;background:color-mix(in srgb,var(--paper) 18%,var(--ink));overflow:hidden}
.t-bar i{display:block;height:100%;background:var(--hl);width:100%}
.t-actions{display:flex;flex-wrap:wrap;gap:10px}
.btn-hl{background:var(--hl);color:var(--hl-ink)}
.btn-hl:hover{background:var(--paper);color:var(--ink)}
.btn-line{background:transparent;color:var(--paper);border-color:color-mix(in srgb,var(--paper) 45%,var(--ink))}
.btn-line:hover{border-color:var(--paper)}
.t-msg{font-family:var(--f-hand);font-size:1.5rem;line-height:1.2;color:var(--hl);min-height:1.2em}

/* sources */
.sources{padding-left:1.6em;display:flex;flex-direction:column;gap:10px;font-size:.88rem;color:var(--ink-2);line-height:1.5}
.sources li::marker{font-family:var(--f-mono);font-size:.8rem;color:var(--ink-3)}
.sources li:target{background:color-mix(in srgb,var(--hl) 45%,transparent);border-radius:3px}
.sources i{font-style:italic}
footer{padding-block:32px 72px;border-top:1px solid var(--line);color:var(--ink-3);font-size:.86rem;display:flex;flex-direction:column;gap:6px}

/* floating chip */
.float{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:15;display:flex;align-items:center;gap:2px;background:var(--ink);color:var(--paper);border-radius:999px;box-shadow:var(--shadow);font-size:.86rem;padding:4px 4px 4px 14px}
.float a{color:inherit;text-decoration:none;font-weight:500;white-space:nowrap}
.float a b{font-family:var(--f-mono);font-weight:600;color:var(--hl);font-variant-numeric:tabular-nums}
.float button{width:32px;height:32px;border-radius:50%;border:0;background:transparent;color:inherit;cursor:pointer;font-size:1.1rem;line-height:1}
.float button:hover{background:color-mix(in srgb,var(--paper) 15%,var(--ink))}