/* Generated by tools/build_site.py from src/. Edit the source files, not this one. */
[hidden]{display:none!important}img{max-width:100%}:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px)}

/* ===== src/styles/01-tokens-and-base.css ===== */
/* Tokens (light and dark), base typography */
:root{
  --bg:#f4f3f8; --surface:#ffffff; --ink:#1b1830; --muted:#5c5873; --line:#dcd9e8;
  --accent:#5a3fb0; --accent-soft:#ece8fb; --on-accent:#ffffff;
  --hi:#8f5400; --hi-soft:#fbefd9;
  --ok:#17703f; --ok-soft:#e1f2e8; --bad:#b3261e; --bad-soft:#fbe6e4;
  --display:"IBM Plex Sans Condensed","Arial Narrow",system-ui,sans-serif;
  --body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#12101c; --surface:#1b1829; --ink:#e8e6f2; --muted:#a29dba; --line:#2e2a44;
    --accent:#b4a2ff; --accent-soft:#2a2247; --on-accent:#150f2e;
    --hi:#e6ad4d; --hi-soft:#30250f;
    --ok:#52c98f; --ok-soft:#0f2b1f; --bad:#f27a6f; --bad-soft:#371917;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#12101c; --surface:#1b1829; --ink:#e8e6f2; --muted:#a29dba; --line:#2e2a44;
  --accent:#b4a2ff; --accent-soft:#2a2247; --on-accent:#150f2e;
  --hi:#e6ad4d; --hi-soft:#30250f;
  --ok:#52c98f; --ok-soft:#0f2b1f; --bad:#f27a6f; --bad-soft:#371917;
  color-scheme:dark;
}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.6;margin:0}
a{color:var(--accent);text-underline-offset:2px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.wrap{max-width:72rem;margin-inline:auto;padding-inline:clamp(16px,4vw,40px)}
h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0}
h1{font-size:clamp(2.1rem,5.4vw,3.4rem);font-weight:700;line-height:1.02;letter-spacing:-.01em}
h2{font-size:clamp(1.6rem,3.2vw,2.1rem);font-weight:700;line-height:1.1}
h3{font-size:1.3rem;font-weight:600;line-height:1.2}
.eyebrow{font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0}
code,.mono{font-family:var(--mono);font-size:.9em}
p{margin:0}

/* ===== src/styles/02-page-sections.css ===== */
/* Headings, ticket strip, section heads, tags */
/* header */
.top{background:var(--surface);border-bottom:1px solid var(--line)}
.top .wrap{display:grid;gap:18px;padding-block:36px 28px}
.lede{max-width:62ch;color:var(--muted);font-size:1.05rem}
.ticket{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,190px),1fr));border:1px dashed var(--line);border-radius:10px;background:var(--bg)}
.ticket div{padding:12px 16px;border-right:1px dashed var(--line);min-width:0}
.ticket div:last-child{border-right:0}
.ticket dt{font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.ticket dd{margin:2px 0 0;font-weight:600;font-variant-numeric:tabular-nums}
.ticket dd small{display:block;font-weight:400;color:var(--muted);font-size:.82rem}
#countdown{color:var(--accent)}

/* tabs */
.tabs{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--bg);border-bottom:1px solid var(--line)}
.tabs .wrap{padding-block:10px}
.tablist{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;flex:1;min-width:0}
.tabs a{flex:none;font-family:var(--mono);font-size:.82rem;text-decoration:none;color:var(--ink);padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface)}
.tabs a:hover{border-color:var(--accent);color:var(--accent)}

/* sections */
section{scroll-margin-top:64px}
section > .wrap{display:grid;gap:22px;padding-block:44px}
.sec-head{display:grid;gap:6px}
.sec-head p{max-width:68ch;color:var(--muted)}
.tag{display:inline-block;font-family:var(--mono);font-size:.66rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;background:var(--hi-soft);color:var(--hi);padding:1px 6px;border-radius:4px;margin-right:6px;vertical-align:2px}

/* ===== src/styles/03-content-pages.css ===== */
/* Study plan, formula cards, worked examples, week notes */
/* plan */
.days{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:14px}
.day{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px;display:grid;gap:10px;align-content:start}
.day .when{font-family:var(--mono);font-size:.78rem;color:var(--accent);letter-spacing:.04em}
.day ul{margin:0;padding-left:1.1em;display:grid;gap:4px}
.callout{background:var(--accent-soft);border-radius:10px;padding:16px 18px;max-width:80ch}

/* formulas */
.fgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,330px),1fr));gap:14px}
.fcard{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px;display:grid;gap:10px;align-content:start;min-width:0}
.fcard p,.fcard li{font-size:.95rem}
.fcard ul{margin:0;padding-left:1.1em;display:grid;gap:4px}
pre.f{margin:0;font-family:var(--mono);font-size:.84rem;line-height:1.55;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px 12px;overflow-x:auto;white-space:pre}
.tbl{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.92rem;font-variant-numeric:tabular-nums}
th,td{text-align:left;padding:7px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:500}

/* worked numericals */
.tag.p{background:var(--ok-soft);color:var(--ok)}
.wx-head{margin-top:34px}
.wgroup{display:grid;gap:10px;margin-top:22px}
.wgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,440px),1fr));gap:14px;align-items:start}
.wx{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px;display:grid;gap:8px;align-content:start;min-width:0}
.wx .wmeta{display:flex;align-items:center;gap:4px}
.wx h4{margin:0;font-size:1.05rem;line-height:1.3}
.wx .wq{margin:0;font-size:.95rem}
.wsol{min-width:0}
.wsol summary{cursor:pointer;list-style:none;display:inline-flex;align-items:center;gap:8px;margin-top:4px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--bg);font-family:var(--mono);font-size:.8rem;color:var(--accent)}
.wsol summary::-webkit-details-marker{display:none}
.wsol summary::before{content:"";width:0;height:0;border-left:6px solid currentColor;border-top:4px solid transparent;border-bottom:4px solid transparent;transition:transform .15s}
.wsol[open] summary::before{transform:rotate(90deg)}
.wsteps{margin:14px 0 0;padding:0;list-style:none;counter-reset:ws;display:grid;gap:10px}
.wsteps li{counter-increment:ws;display:grid;grid-template-columns:24px minmax(0,1fr);gap:10px;font-size:.93rem;line-height:1.45}
.wsteps li::before{content:counter(ws);width:24px;height:24px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-family:var(--mono);font-size:.72rem;font-weight:600;display:grid;place-items:center}
.wsteps li > div{min-width:0}
.calc{display:block;margin-top:5px;font-family:var(--mono);font-size:.84rem;line-height:1.6;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:6px 10px;overflow-x:auto;white-space:pre}
.wans{margin:12px 0 0;padding:10px 12px;border-radius:8px;background:var(--ok-soft);color:var(--ok);font-weight:600;font-size:.95rem}
.wtrap{margin:8px 0 0;font-size:.9rem;color:var(--bad)}

/* notes */
.weeknav{display:flex;flex-wrap:wrap;gap:6px}
.weeknav a{font-family:var(--mono);font-size:.8rem;text-decoration:none;padding:4px 10px;border:1px solid var(--line);border-radius:6px;color:var(--ink);background:var(--surface)}
.week{display:grid;grid-template-columns:150px minmax(0,1fr);gap:28px;padding-block:30px;border-top:1px solid var(--line);scroll-margin-top:64px}
.week .rail{display:grid;gap:4px;align-content:start}
.week .num{font-family:var(--mono);font-size:2.4rem;font-weight:600;line-height:1;color:var(--accent);font-variant-numeric:tabular-nums}
.week .lecs{font-family:var(--mono);font-size:.78rem;color:var(--muted)}
.week .body{display:grid;gap:14px;min-width:0}
.notes{margin:0;padding-left:1.15em;display:grid;gap:7px;max-width:80ch}
.notes li::marker{color:var(--muted)}
.notes > li,.week .body > *{min-width:0}
.vids{display:flex;flex-wrap:wrap;gap:6px}
.vids a{font-family:var(--mono);font-size:.76rem;text-decoration:none;padding:4px 9px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink)}
.vids a:hover{border-color:var(--accent);color:var(--accent)}
.vids a b{color:var(--accent);font-weight:600}
@media (max-width:640px){.week{grid-template-columns:1fr;gap:12px}.week .rail{grid-auto-flow:column;justify-content:start;align-items:baseline;gap:12px}.week .num{font-size:1.8rem}}

/* week diagrams: inline SVG themed through the page tokens */
figure.diag{margin:0;border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:14px 14px 12px;max-width:820px;display:grid;gap:8px}
figure.diag .scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
figure.diag figcaption{font-size:.9rem;color:var(--muted);max-width:80ch}
figure.diag .hint{display:none;font-family:var(--mono);font-size:.7rem;color:var(--muted);margin:0}
.dg{display:block;width:100%;height:auto;color:var(--muted)}
.dg text{font-family:var(--body);font-size:13px;fill:var(--ink)}
.dg .t{font-weight:600}
.dg .k{font-size:12.5px}
.dg .s{font-size:11.5px;fill:var(--muted)}
.dg .m{font-family:var(--mono);font-size:11px;fill:var(--muted)}
.dg .b{fill:var(--surface);stroke:var(--line);stroke-width:1.3}
.dg .pn{fill:var(--bg);stroke:var(--line);stroke-width:1.2}
.dg .h{fill:var(--accent-soft);stroke:var(--accent);stroke-width:1.4}
.dg .w{fill:var(--hi-soft);stroke:var(--hi);stroke-width:1.3}
.dg .g{fill:var(--ok-soft);stroke:var(--ok);stroke-width:1.3}
.dg .r{fill:var(--bad-soft);stroke:var(--bad);stroke-width:1.3}
.dg .wf{fill:var(--hi-soft);stroke:none}
.dg .a{stroke:var(--muted);stroke-width:1.5;fill:none}
.dg .ah{stroke:var(--accent);stroke-width:2.2;fill:none}
.dg .x{stroke:var(--bad);stroke-width:2;fill:none}
.dg .d{stroke-dasharray:5 4}
.dg .d2{stroke-dasharray:2 4}
.dg .af{fill:var(--accent)}

/* ===== src/styles/04-app-shell.css ===== */
/* App shell: sidebar, top bar, bottom tabs, More sheet, transitions, home, pagers */
/* app shell: top bar, pages, transitions */
.navrow{display:flex;align-items:center;gap:12px}
.brand{display:inline-flex;align-items:center;gap:8px;flex:none;text-decoration:none;color:var(--ink);font-family:var(--display);font-weight:700;font-size:1.05rem}
.brand svg{width:28px;height:28px}
.brand .brand-bg{fill:var(--accent)}
.brand .brand-fg{fill:var(--on-accent)}
.tablist a.on{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
main > section.page{min-height:calc(100vh - var(--navh,54px) - 190px)}
main > section.page > .wrap{padding-block:34px 26px}
.page.enter,.week.enter{animation:pageIn .32s cubic-bezier(.2,.7,.2,1) both}
@keyframes pageIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.page.enter,.week.enter{animation:none}}

/* home */
.hero{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:24px;align-items:center;padding:30px;border:1px solid var(--line);border-radius:18px;background:radial-gradient(900px 280px at 100% 0%, var(--accent-soft), transparent 70%), var(--surface)}
.hero-main{display:grid;gap:14px;min-width:0}
.cta{display:flex;flex-wrap:wrap;gap:10px;padding-top:4px}
.btn.big{font-size:.86rem;padding:10px 18px;border-radius:10px;text-decoration:none;display:inline-flex;align-items:center}
a.btn{text-decoration:none;display:inline-flex;align-items:center}
.countdown-card{display:grid;justify-items:center;gap:4px;padding:20px 16px;border-radius:14px;background:var(--bg);border:1px solid var(--line);text-align:center}
.cd-num{font-family:var(--display);font-size:4.4rem;font-weight:700;line-height:1;color:var(--accent);font-variant-numeric:tabular-nums}
.cd-l{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.cd-d{font-weight:600;font-size:.95rem}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr));gap:12px}
.stat{display:grid;gap:4px;align-content:start;padding:16px;border-radius:12px;border:1px solid var(--line);background:var(--surface);text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}
.stat .l{font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.stat .v{font-family:var(--display);font-size:2rem;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums}
.stat .s{font-size:.86rem;color:var(--muted)}
.stat .bar{height:6px;border-radius:999px;background:var(--bg);overflow:hidden;margin-top:8px;border:1px solid var(--line)}
.stat .bar i{display:block;height:100%;width:0;background:var(--accent);border-radius:999px;transition:width .7s cubic-bezier(.2,.7,.2,1)}
.kit{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:12px}
.kitcard{display:grid;gap:6px;align-content:start;padding:18px;border-radius:12px;border:1px solid var(--line);background:var(--surface);text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}
.kitcard .k{font-family:var(--mono);font-size:.72rem;color:var(--accent);letter-spacing:.03em}
.kitcard h3{font-size:1.2rem}
.kitcard p{color:var(--muted);font-size:.92rem}
.kitcard .go{font-family:var(--mono);font-size:.8rem;color:var(--accent);padding-top:4px}

/* app layout: sidebar on desktop, top bar + bottom tabs on phones */
.sidebar{position:fixed;top:0;bottom:0;left:0;width:248px;z-index:25;display:flex;flex-direction:column;gap:20px;padding:22px 14px calc(16px + env(safe-area-inset-bottom,0px));border-right:1px solid var(--line);background:var(--surface);overflow-y:auto}
.sidebar .brand{padding:0 8px}
.brand span small{display:block;font-family:var(--mono);font-size:.62rem;font-weight:500;letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.side-nav{display:grid;gap:2px}
.side-nav a{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:10px;color:var(--muted);text-decoration:none;font-weight:500;font-size:.95rem;transition:background .15s,color .15s}
.side-nav a svg{width:18px;height:18px;flex:none}
.side-nav a.on{background:var(--accent-soft);color:var(--accent);font-weight:600}
.side-foot{margin-top:auto;display:grid;gap:10px}
.side-count{display:flex;align-items:baseline;gap:8px;padding:12px 14px;border-radius:12px;background:var(--bg);border:1px solid var(--line)}
.side-count b{font-family:var(--display);font-size:1.9rem;line-height:1;color:var(--accent);font-variant-numeric:tabular-nums}
.side-count span{font-size:.8rem;color:var(--muted)}
.sidebar .themebtn{justify-content:center;width:100%;padding:8px 12px}
main,footer{margin-left:248px}
.topbar,.bottombar{display:none}
.exambar{top:calc(env(safe-area-inset-top,0px) + var(--navh,0px) + 12px)}
@media (hover:hover){ .side-nav a:not(.on):hover{background:var(--bg);color:var(--ink)} }
@media (max-width:1023px){
  .sidebar{display:none}
  main,footer{margin-left:0}
  .topbar{display:flex;align-items:center;gap:12px;position:sticky;top:env(safe-area-inset-top,0px);z-index:25;padding:10px max(16px,env(safe-area-inset-right,0px)) 10px max(16px,env(safe-area-inset-left,0px));border-bottom:1px solid var(--line);background:var(--surface)}
  .topbar-title{flex:1;margin:0;font-family:var(--display);font-weight:700;font-size:1.15rem;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .bottombar{display:grid;grid-template-columns:repeat(6,1fr);gap:4px;position:fixed;left:0;right:0;bottom:0;z-index:25;padding:6px 8px calc(6px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line);background:var(--surface)}
  .bottombar a,.bottombar button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:54px;padding:6px 2px;border:0;border-radius:12px;background:none;font:inherit;font-size:.7rem;font-weight:600;color:var(--muted);text-decoration:none;cursor:pointer}
  .bottombar svg{width:22px;height:22px}
  .bottombar .on{color:var(--accent);background:var(--accent-soft)}
  body{padding-bottom:calc(72px + env(safe-area-inset-bottom,0px))}
  .totop{bottom:calc(env(safe-area-inset-bottom,0px) + 86px)}
  .exambar{top:calc(env(safe-area-inset-top,0px) + var(--navh,54px))}
}
/* frosted glass where supported */
@supports ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))) and (background:color-mix(in srgb, red 50%, transparent)){
  .topbar,.bottombar{background:color-mix(in srgb, var(--surface) 80%, transparent);-webkit-backdrop-filter:saturate(1.5) blur(14px);backdrop-filter:saturate(1.5) blur(14px)}
}
.sheet{position:fixed;inset:0;z-index:40;display:flex;align-items:flex-end;background:rgba(4,10,14,.45)}
.sheet[hidden]{display:none}
.sheet-panel{width:100%;display:grid;gap:4px;padding:8px 14px calc(18px + env(safe-area-inset-bottom,0px));border-radius:20px 20px 0 0;background:var(--surface);box-shadow:0 -12px 32px rgba(0,0,0,.22);animation:sheetUp .24s cubic-bezier(.2,.7,.2,1) both}
.sheet-grip{width:42px;height:4px;border-radius:999px;background:var(--line);justify-self:center;margin:6px 0 10px}
.sheet a{display:flex;align-items:center;gap:14px;padding:12px;border-radius:12px;text-decoration:none;color:var(--ink)}
.sheet a svg{width:22px;height:22px;color:var(--accent);flex:none}
.sheet a b{display:block;font-weight:600}
.sheet a small{display:block;color:var(--muted);font-size:.82rem}
.sheet a.on{background:var(--accent-soft)}
@keyframes sheetUp{from{transform:translateY(40px);opacity:0}to{transform:none;opacity:1}}

/* page transitions (View Transitions API where available) */
main{view-transition-name:pagebody}
::view-transition-old(pagebody){animation:vtOut .16s ease both}
::view-transition-new(pagebody){animation:vtIn .32s cubic-bezier(.2,.7,.2,1) both}
@keyframes vtOut{to{opacity:0;transform:translateY(-6px)}}
@keyframes vtIn{from{opacity:0;transform:translateY(12px)}}
@media (prefers-reduced-motion:reduce){ ::view-transition-old(pagebody),::view-transition-new(pagebody){animation:none} .sheet-panel{animation:none} }

/* home polish */
.hero{position:relative;overflow:hidden;isolation:isolate}
.hero-net{position:absolute;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
@supports ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))) and (background:color-mix(in srgb, red 50%, transparent)){
  .countdown-card{background:color-mix(in srgb, var(--bg) 70%, transparent);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
}
.today-focus{display:inline-flex;align-items:center;gap:10px;justify-self:start;padding:6px 12px 6px 6px;border-radius:999px;border:1px solid var(--line);background:var(--surface);text-decoration:none;color:var(--ink);font-size:.9rem}
.today-focus .tf-l{font-family:var(--mono);font-size:.7rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;border-radius:999px;background:var(--accent);color:var(--on-accent)}
.day.today{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.todaybadge{margin-left:8px;font-family:var(--mono);font-size:.66rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:2px 7px;border-radius:999px;background:var(--accent);color:var(--on-accent);vertical-align:1px}
.stat{grid-template-columns:64px minmax(0,1fr);align-items:center;gap:14px}
.stat .sx{display:grid;gap:2px;min-width:0}
.stat .v{font-size:1.75rem}
.ring{position:relative;width:64px;height:64px;display:block}
.ring svg:first-child{width:64px;height:64px;transform:rotate(-90deg)}
.ring .rt{fill:none;stroke:var(--bg);stroke-width:7}
.ring .rf{fill:none;stroke:var(--accent);stroke-width:7;stroke-linecap:round;transition:stroke-dashoffset .9s cubic-bezier(.2,.7,.2,1)}
.stat.good .rf{stroke:var(--ok)}
.ring .lucide,.ring > i{position:absolute;inset:0;margin:auto;width:22px;height:22px;color:var(--accent)}
.stat.good .ring .lucide{color:var(--ok)}
.kitcard .ic{display:grid;place-items:center;width:40px;height:40px;border-radius:11px;background:var(--accent-soft);color:var(--accent);margin-bottom:4px}
.kitcard .ic svg{width:20px;height:20px}
@media (prefers-reduced-motion:reduce){ .ring .rf{transition:none} }

@media (max-width:360px){ .bottombar a,.bottombar button{font-size:.62rem} }

/* bottom pager and week pager */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding-block:6px 40px}
.pg{display:grid;gap:2px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:var(--surface);text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}
.pg .l{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.pg .n{font-weight:600}
.pg.next{grid-column:2;text-align:right}
#notes .week{border-top:0;padding-block:10px 0}
.weeknav a.on{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.weeknav a.done:not(.on){border-color:var(--ok);color:var(--ok)}
.weekfoot{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;padding-top:18px;margin-top:6px;border-top:1px dashed var(--line)}
.wkpager{display:flex;gap:8px;flex-wrap:wrap}
.reviewbtn[aria-pressed="true"]{background:var(--ok-soft);border-color:var(--ok);color:var(--ok)}
@media (hover:hover){
  .stat:hover,.kitcard:hover,.pg:hover{border-color:var(--accent);transform:translateY(-2px)}
}
@media (max-width:760px){
  .hero{grid-template-columns:1fr;padding:20px}
  .countdown-card{grid-auto-flow:column;justify-content:start;justify-items:start;align-items:baseline;gap:10px;padding:12px 14px}
  .cd-num{font-size:2.6rem}
}
@media (max-width:640px){
  .brand span{display:none}
  .navrow{gap:8px}
  main > section.page > .wrap{padding-block:24px 20px}
  .pg{padding:12px}
}

/* ===== src/styles/05-practice-and-mocks.css ===== */
/* Practice cards, mock exam bar and palette, results, traps, sources */
/* practice */
.toolbar{display:grid;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip,.btn{font:inherit;font-family:var(--mono);font-size:.8rem;cursor:pointer;border:1px solid var(--line);border-radius:999px;padding:5px 11px;background:var(--bg);color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.chip small{opacity:.75}
.actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between}
.actions .left{display:flex;flex-wrap:wrap;gap:8px}
.btn[aria-pressed="true"]{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.btn.primary{background:var(--accent);color:var(--on-accent);border-color:var(--accent);border-radius:8px}
.btn.primary:disabled{opacity:.45;cursor:default}
.score{font-family:var(--mono);font-size:.84rem;font-variant-numeric:tabular-nums;color:var(--muted)}
.score b{color:var(--ink)}
.qlist{display:grid;gap:12px;scroll-margin-top:calc(var(--navh,54px) + 12px)}
.qpager{display:flex;align-items:center;justify-content:space-between;gap:10px}
.qpager:empty{display:none}
.q{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px 18px;display:grid;gap:12px;min-width:0}
.q-meta{font-family:var(--mono);font-size:.72rem;letter-spacing:.04em;color:var(--muted);display:flex;flex-wrap:wrap;gap:4px 10px}
.q-meta .k{color:var(--hi)}
.q-meta .mine{color:var(--accent);font-weight:600}
.tag.y{background:var(--accent-soft);color:var(--accent)}
.notes li.new{list-style:none;margin-left:-1.15em;background:var(--accent-soft);border-radius:8px;padding:10px 12px}
.q-text{font-weight:500;max-width:80ch}
.opts{display:grid;gap:7px}
.opt{font:inherit;text-align:left;display:grid;grid-template-columns:26px minmax(0,1fr);gap:8px;align-items:start;cursor:pointer;width:100%;border:1px solid var(--line);border-radius:8px;padding:9px 12px;background:var(--bg);color:var(--ink)}
.opt .key{font-family:var(--mono);font-size:.8rem;color:var(--muted);padding-top:2px}
.opt[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.opt.correct{border-color:var(--ok);background:var(--ok-soft)}
.opt.correct .key{color:var(--ok);font-weight:600}
.opt.wrong{border-color:var(--bad);background:var(--bad-soft)}
.opt.wrong .key{color:var(--bad);font-weight:600}
.opt:disabled{cursor:default;color:var(--ink)}
.q-foot{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.verdict{font-family:var(--mono);font-size:.8rem;font-weight:600}
.verdict.ok{color:var(--ok)}.verdict.no{color:var(--bad)}
.why{font-size:.94rem;color:var(--ink);background:var(--bg);border-radius:8px;padding:10px 12px;max-width:80ch}
.why b{font-family:var(--mono);font-size:.78rem;letter-spacing:.04em;color:var(--muted);font-weight:500;margin-right:6px}

/* most repeated */
.repgroup{display:grid;gap:4px}
.repgroup h3{font-size:1.05rem;font-family:var(--mono);font-weight:600;letter-spacing:.02em;color:var(--accent);padding-top:18px}
.rep{list-style:none;margin:0;padding:0}
.rep-item{display:grid;grid-template-columns:40px minmax(0,1fr);gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.rk{font-family:var(--mono);font-weight:600;color:var(--muted);padding-top:1px;font-variant-numeric:tabular-nums}
.rb{display:grid;gap:6px;min-width:0;max-width:86ch}
.rq{font-weight:600}
.rm{display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center;font-family:var(--mono);font-size:.72rem;color:var(--muted)}
.strip{display:inline-flex;flex-wrap:wrap;gap:3px}
.strip span{padding:1px 6px;border-radius:4px;border:1px solid var(--line);color:var(--muted)}
.strip span.on{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.xr{font-family:var(--mono);font-size:.7rem;font-weight:600;color:var(--hi);background:var(--hi-soft);padding:1px 6px;border-radius:4px}
.rep-item .show{display:none;justify-self:start}
.covered .rep-item .ra{display:none}
.covered .rep-item .show{display:inline-block}
.covered .rep-item.open .ra{display:block}
.covered .rep-item.open .show{display:none}

/* mock exams */
.papers{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:14px}
.paper{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px;display:grid;gap:8px;align-content:start}
.paper .src{color:var(--muted);font-size:.93rem}
.paper .best{font-family:var(--mono);font-size:.78rem;color:var(--muted);font-variant-numeric:tabular-nums}
.paper .best b{color:var(--ink)}
.paper .btn{justify-self:start}
.exambar{position:sticky;top:calc(env(safe-area-inset-top,0px) + 54px);z-index:15;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px 14px;display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;justify-content:space-between}
.exambar .who{font-family:var(--mono);font-size:.8rem;color:var(--muted)}
.timer{font-family:var(--mono);font-size:1.35rem;font-weight:600;font-variant-numeric:tabular-nums}
.timer.low{color:var(--bad)}
.exam-grid{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:14px;align-items:start}
@media (max-width:820px){.exam-grid{grid-template-columns:1fr}}
.side{display:grid;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px}
.palette{display:grid;grid-template-columns:repeat(auto-fill,minmax(36px,1fr));gap:5px}
.pal{font:inherit;font-family:var(--mono);font-size:.78rem;height:34px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink);cursor:pointer;font-variant-numeric:tabular-nums}
.pal.ans{background:var(--accent-soft);border-color:var(--accent)}
.pal.flag{box-shadow:inset 0 -3px 0 var(--hi)}
.pal.cur{outline:2px solid var(--ink);outline-offset:1px}
.pal.ok{background:var(--ok-soft);border-color:var(--ok);color:var(--ok)}
.pal.no{background:var(--bad-soft);border-color:var(--bad);color:var(--bad)}
.pal.rev{background:var(--hi-soft);border-color:var(--hi);color:var(--hi)}
.verdict.rev{color:var(--hi)}
.startrow{display:flex;flex-wrap:wrap;gap:8px;padding-top:4px}
.q-meta .rkn{color:var(--ink);font-weight:600}
.repgroup .qlist{padding-top:6px}
.legend{font-family:var(--mono);font-size:.7rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:4px 10px}
.navbtns{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between}
.navbtns div{display:flex;flex-wrap:wrap;gap:8px}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,160px),1fr));gap:12px}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px 16px;display:grid;gap:2px}
.tile .v{font-family:var(--display);font-size:2rem;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums}
.tile .l{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.pill{display:inline-block;font-family:var(--mono);font-size:.8rem;font-weight:600;padding:2px 10px;border-radius:999px}
.pill.ok{background:var(--ok-soft);color:var(--ok)}
.pill.no{background:var(--bad-soft);color:var(--bad)}
.result{display:grid;gap:18px}

/* traps */
.traps{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:0 28px;margin:0;padding:0;list-style:none}
.traps li{padding:9px 0;border-bottom:1px solid var(--line);font-size:.95rem}
.traps li b{font-weight:600}

/* sources */
.src{display:grid;gap:10px;margin:0;padding:0;list-style:none;max-width:85ch}
.src li{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px 16px;display:grid;gap:4px}
.src li span{color:var(--muted);font-size:.93rem}
footer .wrap{padding-block:28px;color:var(--muted);font-size:.86rem}
@media (prefers-reduced-motion: reduce){*{scroll-behavior:auto!important;transition:none!important}}
html{scroll-behavior:smooth}

/* ===== src/styles/06-theme-and-phones.css ===== */
/* Theme button, back-to-top, phone tweaks */
/* theme toggle: fixed in the top-right corner, aligned with the content column; the tab strip reserves room for it */
.themebtn{flex:none;display:inline-flex;align-items:center;gap:6px;font:inherit;font-family:var(--mono);font-size:.82rem;line-height:1.6;cursor:pointer;padding:6px 12px;border:1px solid var(--accent);border-radius:999px;background:var(--accent-soft);color:var(--accent);}
.themebtn svg{width:15px;height:15px;flex:none}
@media (hover:hover){
  .themebtn:hover{background:var(--accent);color:var(--on-accent)}
}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
button,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}
code{overflow-wrap:anywhere}
.exambar{top:calc(env(safe-area-inset-top,0px) + var(--navh,54px))}
section,.week{scroll-margin-top:calc(var(--navh,54px) + 10px)}
.totop{position:fixed;z-index:30;right:max(16px, env(safe-area-inset-right,0px));bottom:calc(env(safe-area-inset-bottom,0px) + 16px);width:46px;height:46px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;box-shadow:0 2px 12px rgba(0,0,0,.18);display:none;align-items:center;justify-content:center}
.totop svg{width:20px;height:20px}
.totop.show{display:inline-flex}
.btn:active,.chip:active,.opt:active,.pal:active,.tabs a:active{transform:scale(.98)}

/* phones */
@media (max-width:640px){
  .themebtn{width:42px;height:42px;padding:0;justify-content:center}
  .themebtn span{display:none}
  .themebtn svg{width:18px;height:18px}
  .tabs a{padding:9px 13px}
  .top .wrap{padding-block:26px 22px;gap:14px}
  section > .wrap{gap:18px;padding-block:32px}
  h2{font-size:1.55rem}
  .lede{font-size:1rem}
  .ticket{grid-template-columns:1fr 1fr}
  .ticket div{border-right:0;border-bottom:1px dashed var(--line);padding:10px 12px}
  .ticket div:nth-child(odd){border-right:1px dashed var(--line)}
  .ticket div:nth-last-child(-n+2){border-bottom:0}
  .ticket dd{font-size:.92rem}
  .weeknav a,.vids a{padding:8px 11px}
  .weeknav,.vids{gap:8px}
  .week{padding-block:24px}
  pre.f{font-size:.78rem}
  .fcard,.day{padding:16px}
  .toolbar{padding:12px}
  .chips{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin-inline:-12px;padding-inline:12px;padding-bottom:2px}
  .chips::-webkit-scrollbar{display:none}
  .chip{flex:none}
  .chip,.btn{min-height:42px;padding:9px 14px}
  .actions{gap:10px}
  .q{padding:14px;gap:10px}
  .opt{padding:12px;min-height:48px}
  .why{font-size:.92rem}
  .exambar{padding:8px 10px;gap:6px 10px;border-radius:0;margin-inline:-16px;border-inline:0}
  .exambar .name{display:none}
  .exambar .navbtns{width:auto}
  .timer{font-size:1.15rem}
  .exambar .who{font-size:.76rem}
  .palette{grid-template-columns:repeat(auto-fill,minmax(42px,1fr));gap:6px}
  .pal{height:42px}
  .navbtns .btn{flex:1 1 auto}
  .navbtns div{flex:1 1 100%}
  .tile{padding:12px 14px}
  .tile .v{font-size:1.55rem}
  .papers .startrow .btn{flex:1 1 auto}
  .rep-item,.repgroup h3{padding-top:12px}
}

/* ===== src/styles/07-maths-and-questions.css ===== */
/* KaTeX, PMF tables, numeric answers, notes boxes, formula lists, drills, mock picker */
/* ---------- Stats 2 additions ---------- */
/* maths */
.katex{font-size:1.06em}
.katex-display{margin:.4em 0;overflow-x:auto;overflow-y:hidden;padding:2px 0}
.q-text .katex-display,.why .katex-display{margin:.3em 0}
.mathblock{overflow-x:auto;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:6px 12px}

/* small PMF / CDF tables inside questions and notes */
table.pt{width:auto;border-collapse:collapse;margin:6px 0;font-size:.92rem;background:var(--surface)}
table.pt td,table.pt th{border:1px solid var(--line);padding:5px 12px;text-align:center;vertical-align:middle;font-family:var(--mono);font-size:.86rem;letter-spacing:0;text-transform:none;color:var(--ink)}
table.pt th{background:var(--bg);font-weight:600}
table.pt td.m,table.pt th.m{background:var(--accent-soft);color:var(--accent)}
.ptwrap{overflow-x:auto;max-width:100%}

/* numeric answers */
.numrow{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.numrow input{font:inherit;font-family:var(--mono);font-size:1rem;width:11rem;max-width:100%;padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink)}
.numrow input:focus{outline:2px solid var(--accent);outline-offset:1px}
.numrow input.ok{border-color:var(--ok);background:var(--ok-soft)}
.numrow input.no{border-color:var(--bad);background:var(--bad-soft)}
.numrow .hintfmt{font-family:var(--mono);font-size:.74rem;color:var(--muted)}
.q-meta .mk{color:var(--accent);font-weight:600}
.q-meta .pq{color:var(--ok);font-weight:600}
.common{background:var(--bg);border:1px dashed var(--line);border-radius:8px;padding:10px 12px;font-size:.95rem;max-width:80ch}
.common b.cl{display:block;font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:500;margin-bottom:4px}

/* notes */
.defn,.ex,.warn{border-radius:10px;padding:12px 14px;max-width:84ch;display:grid;gap:6px}
.defn{background:var(--accent-soft);border-left:4px solid var(--accent)}
.ex{background:var(--surface);border:1px solid var(--line)}
.warn{background:var(--bad-soft);border-left:4px solid var(--bad)}
.defn > b:first-child,.ex > b:first-child,.warn > b:first-child{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;font-weight:600}
.defn > b:first-child{color:var(--accent)}
.ex > b:first-child{color:var(--hi)}
.warn > b:first-child{color:var(--bad)}
.ex details summary{cursor:pointer;font-family:var(--mono);font-size:.8rem;color:var(--accent)}
.ex details[open] summary{margin-bottom:6px}
.week h3{padding-top:8px}
.body p{max-width:80ch}
.lecs a{color:inherit}
.vidrow{display:flex;flex-wrap:wrap;gap:6px}
.vidrow a{font-family:var(--mono);font-size:.74rem;text-decoration:none;padding:4px 9px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink)}
.vidrow a b{color:var(--accent);font-weight:600}
@media (hover:hover){ .vidrow a:hover{border-color:var(--accent);color:var(--accent)} }

/* formula cards */
.fcard h3 small{display:block;font-family:var(--mono);font-size:.7rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-top:2px}
.fl{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.fl li{display:grid;gap:2px;padding-bottom:8px;border-bottom:1px dashed var(--line);min-width:0}
.fl li:last-child{border-bottom:0;padding-bottom:0}
.fl li > span{font-size:.86rem;color:var(--muted)}
.fl li .katex-display{margin:.15em 0;text-align:left}
.fl li .katex-display > .katex{text-align:left}
.given{border:1.5px dashed var(--ok);background:var(--ok-soft);border-radius:12px;padding:14px 16px;display:grid;gap:8px;max-width:90ch}
.given > b{font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ok)}
table.dist td,table.dist th{vertical-align:middle}
table.dist td{font-size:.9rem}

/* exam patterns */
.pat{display:grid;gap:10px}
.patrow{display:grid;grid-template-columns:120px minmax(0,1fr);gap:14px;padding:12px 0;border-bottom:1px solid var(--line)}
.patrow .pw{font-family:var(--mono);font-size:.76rem;color:var(--muted);display:grid;gap:4px;align-content:start}
.patrow .pw b{font-size:1.4rem;font-family:var(--display);color:var(--accent);line-height:1}
.patrow h4{margin:0 0 4px;font-size:1.02rem}
.patrow p{color:var(--muted);font-size:.94rem;max-width:80ch}
.seen{display:inline-flex;flex-wrap:wrap;gap:4px;margin-top:6px}
.seen span{font-family:var(--mono);font-size:.68rem;padding:1px 7px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.seen span.on{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
@media (max-width:640px){ .patrow{grid-template-columns:1fr;gap:6px} .patrow .pw{grid-auto-flow:column;justify-content:start;align-items:baseline;gap:10px} }

/* drills */
.drillgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,250px),1fr));gap:10px}
.drillpick{font:inherit;text-align:left;display:grid;gap:4px;align-content:start;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);cursor:pointer}
.drillpick b{font-weight:600}
.drillpick small{color:var(--muted);font-size:.84rem}
.drillpick .dw{font-family:var(--mono);font-size:.7rem;color:var(--accent);letter-spacing:.04em}
.drillpick[aria-pressed="true"]{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
@media (hover:hover){ .drillpick:hover{border-color:var(--accent)} }
.drillbox{display:grid;gap:12px}
.streak{font-family:var(--mono);font-size:.84rem;color:var(--muted)}
.streak b{color:var(--ink)}
.steps{margin:0;padding-left:1.3em;display:grid;gap:6px;max-width:80ch}
.steps li{font-size:.94rem}

/* mocks */
.paper .meta{font-family:var(--mono);font-size:.74rem;color:var(--muted)}
.durpick{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.durpick span{font-family:var(--mono);font-size:.76rem;color:var(--muted)}
.brand .brand-curve{stroke:var(--on-accent)}
.tile .s{font-size:.82rem;color:var(--muted)}
.q .hintfmt{font-family:var(--mono);font-size:.74rem;color:var(--muted);margin:0}
.q-text{max-width:80ch}
.q-text p{margin:0 0 6px}
footer{border-top:1px solid var(--line)}

/* ===== src/styles/08-patterns.css ===== */
/* Past quiz patterns: insights, week chart, heatmap, blueprint, pattern list */
/* ---------- Past quiz patterns ---------- */
.muted-p{color:var(--muted);max-width:80ch;font-size:.94rem}
.insights{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:12px}
.insight{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:10px;padding:14px 16px;display:grid;gap:6px;align-content:start}
.insight b{font-family:var(--display);font-size:1.05rem}
.insight p{color:var(--muted);font-size:.93rem}
/* week chart: categorical slots 1-4 of the reference palette */
.weekchart{--w1:#2a78d6;--w2:#eb6834;--w3:#1baf7a;--w4:#eda100;--w0:#8a8790;position:relative;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px;display:grid;gap:10px}
@media (prefers-color-scheme: dark){:root:where(:not([data-theme="light"])) .weekchart{--w1:#3987e5;--w2:#d95926;--w3:#199e70;--w4:#c98500;--w0:#77737f}}
:root[data-theme="dark"] .weekchart{--w1:#3987e5;--w2:#d95926;--w3:#199e70;--w4:#c98500;--w0:#77737f}
.wlegend{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:.84rem;color:var(--muted)}
.wlegend span{display:inline-flex;align-items:center;gap:6px}
.wlegend i{width:12px;height:12px;border-radius:3px;display:inline-block}
.wbars{display:grid;grid-template-columns:repeat(13,minmax(30px,1fr));gap:6px;align-items:end;height:240px;overflow-x:auto}
.wcol{display:flex;flex-direction:column-reverse;gap:2px;height:100%;justify-content:flex-start;cursor:default;outline:none}
.wcol .seg{border-radius:0;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:.68rem;color:#fff;font-weight:600;min-height:0}
.wcol .seg:first-child{border-radius:0 0 4px 4px}
.wcol .seg:last-child{border-radius:4px 4px 0 0}
.wcol .seg.w4{color:#1b1500}
.wxl{display:grid;grid-template-columns:repeat(13,minmax(30px,1fr));gap:6px;font-family:var(--mono);font-size:.66rem;color:var(--muted);text-align:center}
.wcol:focus-visible,.wcol:hover{filter:brightness(1.06)}
.vtip{position:absolute;z-index:5;pointer-events:none;background:var(--ink);color:var(--bg);font-size:.8rem;line-height:1.45;padding:8px 10px;border-radius:8px;box-shadow:0 6px 18px rgba(0,0,0,.25);white-space:nowrap}
.vtip[hidden]{display:none}
/* heatmap */
.heatwrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
table.heat{border-collapse:separate;border-spacing:2px;width:100%;font-size:.84rem;min-width:860px}
table.heat th{font-family:var(--mono);font-size:.66rem;letter-spacing:.02em;text-transform:none;color:var(--muted);font-weight:500;padding:6px 4px;text-align:center;vertical-align:bottom;border:0}
table.heat th.pn,table.heat td.pn{text-align:left;min-width:210px;position:sticky;left:0;background:var(--surface);z-index:1}
table.heat td{padding:0;border:0;text-align:center}
table.heat td.pn{padding:6px 8px;font-size:.86rem}
table.heat td.pn small{display:block;color:var(--muted);font-family:var(--mono);font-size:.66rem}
table.heat td.c{height:30px;min-width:34px;border-radius:4px;font-family:var(--mono);font-size:.72rem;color:var(--ink);background:var(--bg)}
table.heat td.c.on{color:var(--on-accent);font-weight:600}
table.heat td.seen{font-family:var(--mono);font-size:.78rem;padding:0 6px}
table.heat td.ch{font-family:var(--mono);font-size:.78rem;font-weight:600;padding:0 6px}
table.heat td.ch.hi{color:var(--ok)}
table.heat td.ch.md{color:var(--hi)}
table.heat td.ch.lo{color:var(--muted)}
table.heat td.dr{padding:0 6px}
table.heat td.dr a{font-family:var(--mono);font-size:.72rem;white-space:nowrap}
/* blueprint */
.blueprint{display:grid;gap:6px}
.bprow{display:grid;grid-template-columns:44px minmax(0,1fr) 70px 70px;gap:10px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface)}
.bprow .bw{font-family:var(--mono);font-size:.74rem;color:var(--accent);font-weight:600}
.bprow .bm,.bprow .bc{font-family:var(--mono);font-size:.78rem;text-align:right;color:var(--muted)}
.bprow .bm b{color:var(--ink)}
.bptot{font-family:var(--mono);font-size:.84rem;color:var(--muted);text-align:right}
@media (max-width:640px){.bprow{grid-template-columns:36px minmax(0,1fr) 54px}.bprow .bc{display:none}}
/* pattern list */
.patlist{display:grid;gap:8px}
.patlist details{border:1px solid var(--line);border-radius:10px;background:var(--surface);padding:10px 14px}
.patlist summary{cursor:pointer;display:flex;flex-wrap:wrap;gap:6px 12px;align-items:baseline}
.patlist summary b{font-weight:600}
.patlist summary .pmeta{font-family:var(--mono);font-size:.74rem;color:var(--muted)}
.patlist details[open] summary{margin-bottom:8px}
.patlist .pbody{display:grid;gap:8px;max-width:80ch}
.patlist .ptrap{color:var(--bad);font-size:.92rem}
section > .wrap > *{min-width:0}
.heatwrap,.weekchart{max-width:100%}
table.heat td{vertical-align:middle}
@media (max-width:640px){table.heat th.pn,table.heat td.pn{min-width:150px}}