/* Moor Study: exercise book, squared paper, highlighter */
:root{
  --paper:#fbf9ef;--sq:rgba(92,140,186,.2);--ink:#1b2438;--biro:#1d3fa8;--redpen:#a8261c;--rule:#d9534a;
  --cover:#25483a;--cover2:#1c382d;--lab:#fffef6;
  --yel:#fff06a;--pnk:#ffc2dc;--grn:#c4f29a;--org:#ffd08a;--mute:#5a6276;
  --slab:"Zilla Slab",Rockwell,Georgia,serif;--hand:"Caveat","Segoe Print","Bradley Hand",cursive;
  --sqsize:28px
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;color:var(--ink);font:400 18px/28px var(--slab);background-color:var(--paper);
  background-image:linear-gradient(var(--sq) 1px,transparent 1px),linear-gradient(90deg,var(--sq) 1px,transparent 1px);background-size:var(--sqsize) var(--sqsize)}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--biro);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:3px;text-decoration-color:var(--rule)}
:focus-visible{outline:3px solid var(--rule);outline-offset:2px}
.jump{position:absolute;left:-999px;top:0;background:var(--yel);padding:8px 14px;z-index:9}
.jump:focus{left:8px;top:8px}
mark{color:inherit;background:linear-gradient(100deg,transparent 1%,var(--yel) 3%,var(--yel) 97%,transparent 99%);padding:0 .15em}
mark.p{background:linear-gradient(100deg,transparent 1%,var(--pnk) 3%,var(--pnk) 97%,transparent 99%)}
mark.g{background:linear-gradient(100deg,transparent 1%,var(--grn) 3%,var(--grn) 97%,transparent 99%)}
mark.o{background:linear-gradient(100deg,transparent 1%,var(--org) 3%,var(--org) 97%,transparent 99%)}

/* cover and label */
.bookcover{background:var(--cover);background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.025) 0 2px,transparent 2px 5px);padding:22px 20px 0;border-bottom:5px solid var(--cover2)}
.bookcover__in{max-width:1160px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px 28px}
.namelabel{background:var(--lab);border:2px solid var(--ink);outline:2px solid var(--lab);outline-offset:3px;padding:8px 16px 10px;margin:5px 5px 18px;min-width:min(420px,100%);flex:0 1 460px}
.namelabel__logo{display:block;text-decoration:none;color:var(--ink);border-bottom:1px solid #7a8498;padding-bottom:4px}
.namelabel__logo svg{height:48px;width:auto}
.namelabel__row{display:flex;gap:8px;font-size:15px;line-height:24px;border-bottom:1px solid #b6bdcb}
.namelabel__row:last-child{border-bottom:0}
.namelabel__row b{font-weight:600;min-width:62px}
.namelabel__row span{font:600 19px/24px var(--hand);color:var(--biro)}
.flip{position:absolute;opacity:0;width:44px;height:44px}
.flip__btn{display:none}
.divtabs{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px;align-self:flex-end}
.divtabs a{display:block;padding:8px 16px 7px;background:var(--yel);color:var(--ink);text-decoration:none;font-weight:600;font-size:16px;line-height:24px;border-radius:7px 7px 0 0;box-shadow:inset 0 -3px 0 rgba(0,0,0,.14)}
.divtabs li:nth-child(2) a{background:var(--grn)}
.divtabs li:nth-child(3) a{background:var(--org)}
.divtabs li:nth-child(4) a{background:var(--pnk)}
.divtabs li:nth-child(5) a{background:#bfe3ff}
.divtabs a:hover{padding-top:5px;padding-bottom:10px}
.divtabs a[aria-current]{background:var(--paper);box-shadow:none;text-decoration:underline;text-decoration-color:var(--rule)}

/* general page */
.sheet{max-width:1160px;margin:0 auto;padding:30px 20px 56px}
h1,h2,h3{font-family:var(--slab);font-weight:700;line-height:1.15;margin:0}
h1{font-size:clamp(34px,5.2vw,54px)}
h2{font-size:clamp(25px,3vw,31px);margin:42px 0 12px}
h3{font-size:21px;margin:26px 0 6px}
p{margin:0 0 14px}
ul,ol{margin:0 0 14px;padding-left:24px}
li{margin-bottom:6px}
.ruled-title{border-bottom:3px double var(--ink);padding-bottom:8px;margin-bottom:14px}
.pen{font:600 24px/1.15 var(--hand);color:var(--redpen)}
.blue{color:var(--biro)}
.small{font-size:15.5px;line-height:24px;color:var(--mute)}
.small a{color:var(--biro)}

/* home */
.opener{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:22px 44px;align-items:end;margin-bottom:26px}
.opener__lead{font-size:21px;line-height:30px;margin:12px 0 0;max-width:40em}
.opener .pen{transform:rotate(-1.4deg);padding-bottom:6px}
.ttwrap{background:#fff;border:2px solid var(--ink);box-shadow:5px 5px 0 rgba(27,36,56,.15)}
.tt{border-collapse:collapse;width:100%;table-layout:fixed}
.tt caption{text-align:left;padding:9px 14px;font-weight:700;background:var(--ink);color:#fff;caption-side:top}
.tt caption span{font:500 20px/1 var(--hand);color:var(--yel);margin-left:10px}
.tt th,.tt td{border:1px solid #8c97ab;vertical-align:top;font-size:15px;line-height:19px}
.tt thead th{background:#eef3f8;padding:6px 8px;text-align:center}
.tt tbody th{background:#eef3f8;padding:8px 6px;text-align:left;font-weight:600;width:82px}
.tt td{padding:0;height:112px}
.tt thead td{height:auto;width:82px;background:#eef3f8}
.tt td a{display:block;height:100%;min-height:112px;padding:8px 9px;color:var(--ink);text-decoration:none;font-weight:600}
.tt td a:hover{text-decoration:underline}
.tt td a small{display:block;font:500 17px/18px var(--hand);margin-top:6px;color:var(--redpen)}
.tt .y{background:var(--yel)}.tt .p{background:var(--pnk)}.tt .g{background:var(--grn)}.tt .o{background:var(--org)}
.tt .free{padding:8px 9px;font:500 19px/20px var(--hand);color:var(--mute)}
.ttkey{display:flex;flex-wrap:wrap;gap:6px 18px;margin:12px 0 0;font-size:15.5px;padding:0;list-style:none}
.ttkey i{display:inline-block;width:16px;height:16px;border:1px solid var(--ink);margin-right:6px;vertical-align:-2px}
.midsplit{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:36px;margin-top:44px;align-items:start}
.midsplit h2{margin-top:0}
.taped{position:relative;margin:0;background:#fff;padding:8px 8px 10px;box-shadow:2px 3px 8px rgba(27,36,56,.22);transform:rotate(.5deg)}
.taped::before{content:"";position:absolute;top:-11px;left:50%;width:104px;height:24px;margin-left:-52px;background:rgba(255,240,106,.75);transform:rotate(-2deg)}
.taped img{width:100%}
.taped figcaption,.credit{font-size:13.5px;line-height:19px;color:var(--mute);padding-top:6px}
.taped figcaption a{color:var(--mute)}
.barblock{display:flex;height:50px;border:2px solid var(--ink);margin:14px 0 6px;font-size:14px;line-height:18px;font-weight:600}
.barblock div{display:flex;align-items:center;justify-content:center;border-right:1px solid var(--ink);text-align:center}
.barblock div:last-child{border:0}
.contentspage{list-style:none;margin:0;padding:0}
.contentspage li{display:grid;grid-template-columns:96px minmax(0,1fr) auto;gap:6px 16px;padding:12px 0;border-bottom:1px solid #97a4ba;margin:0;align-items:center}
.contentspage img{width:96px;height:50px;object-fit:cover;border:1px solid #97a4ba}
.contentspage a{font-weight:600;font-size:20px;line-height:24px}
.contentspage p{margin:2px 0 0;font-size:16px;line-height:22px;color:#3e4658}
.contentspage time{font:600 20px/1 var(--hand);color:var(--redpen);white-space:nowrap}
.stickynote{background:var(--yel);padding:18px 20px;box-shadow:3px 4px 7px rgba(27,36,56,.22);transform:rotate(-.9deg);margin-top:36px;max-width:430px}
.stickynote p{margin:0 0 6px}
.stickynote strong{font:700 27px/1.1 var(--hand)}
.lowersplit{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:36px;margin-top:44px;align-items:start}
.lowersplit h2{margin-top:0}

/* article: margin rule layout */
.pagewrap{max-width:1160px;margin:0 auto;padding:0 20px;position:relative}
.pagewrap--ruled{background:linear-gradient(90deg,transparent 219px,var(--rule) 219px,var(--rule) 221px,transparent 221px)}
.leaf{padding:28px 0 56px 245px;max-width:990px}
.leaf__meta{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 18px;margin-bottom:8px;font:600 22px/1.2 var(--hand);color:var(--biro)}
.leaf__meta a{color:inherit}
.leaf h1{font-size:clamp(32px,4.4vw,46px);border-bottom:3px double var(--ink);padding-bottom:10px}
.leaf__answer{font-size:21px;line-height:30px;margin:16px 0 22px}
.leaf .taped{margin:24px 0 26px}
.jot{float:left;clear:left;width:190px;margin:6px 0 10px -245px;padding-right:10px;font:600 21px/1.12 var(--hand);color:var(--redpen);transform:rotate(-1.2deg)}
.jot::before{content:"\2192";display:block;text-align:right;margin-right:6px;line-height:.9}
.worked{clear:both;background:#fff;border:2px solid var(--ink);margin:22px 0;padding:0}
.worked__head{background:#eef3f8;border-bottom:2px solid var(--ink);padding:7px 14px;font-weight:700;line-height:24px}
.worked__row{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:4px 16px;padding:10px 14px;border-bottom:1px dashed #9aa6bc}
.worked__row:last-child{border-bottom:0}
.worked__row>div:last-child{font:600 21px/1.15 var(--hand);color:var(--redpen)}
.worked__body{padding:12px 14px}
.worked table{border-collapse:collapse;width:100%;font-size:16px;line-height:22px}
.worked th,.worked td{border:1px solid #8c97ab;padding:7px 8px;text-align:left;vertical-align:top}
.worked thead th{background:#f6f3e4}
.squaregrid{max-width:520px;margin:4px 0 10px}
.bookend{border-top:2px dashed #7a8498;margin-top:34px;padding-top:12px;font-size:15.5px;line-height:24px}
.bookend h2{font-size:19px;margin:0 0 4px}
.bookend ul{margin:0 0 10px;padding-left:20px}
blockquote{margin:16px 0;padding:4px 0 4px 16px;border-left:5px solid var(--pnk)}

/* blog index: revision cards */
.deck{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:18px}
.revcard{background:#fff;background-image:repeating-linear-gradient(transparent 0 27px,#c6dbef 27px 28px);border:1px solid #8c97ab;box-shadow:2px 3px 6px rgba(27,36,56,.15);display:grid;grid-template-columns:minmax(0,1fr) 150px;align-items:start}
.revcard__txt{padding:6px 14px 12px;border-top:4px solid var(--rule);min-width:0}
.revcard h3{font-size:21px;line-height:28px;margin:0}
.revcard h3 a{color:var(--ink);text-decoration-color:var(--rule)}
.revcard p{margin:0;font-size:16px}
.revcard time{font:600 19px/28px var(--hand);color:var(--redpen)}
.revcard img{width:150px;height:100%;min-height:150px;object-fit:cover}
.topichead{margin-top:40px}
.topichead:first-of-type{margin-top:26px}

/* plain pages */
.plainleaf{max-width:780px}
.plainleaf h1{border-bottom:3px double var(--ink);padding-bottom:10px;margin-bottom:18px}
.creditlist{font-size:16px;line-height:24px}
.notfound{font:700 clamp(68px,18vw,150px)/1 var(--slab);color:var(--redpen);transform:rotate(-3deg);display:inline-block}

/* back cover */
.backcover{background:var(--cover);color:#f4f1dd;padding:30px 20px 26px;border-top:5px solid var(--cover2)}
.backcover__in{max-width:1160px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:24px 42px}
.backcover a{color:#fff}
.backcover h2{font-size:21px;margin:0 0 8px;color:#fff}
.gradechart{border-collapse:collapse;background:var(--lab);color:var(--ink);font-size:15.5px;line-height:21px;width:100%}
.gradechart th,.gradechart td{border:1px solid #7a8498;padding:5px 8px;text-align:left}
.backnav{list-style:none;padding:0;margin:0 0 12px;display:flex;flex-wrap:wrap;gap:4px 18px}
.backcover .fine{font-size:14.5px;line-height:21px;margin:10px 0 0;color:#dfe5d8}

@media (max-width:1000px){
  .pagewrap--ruled{background:linear-gradient(90deg,transparent 21px,var(--rule) 21px,var(--rule) 23px,transparent 23px)}
  .leaf{padding:24px 0 48px 18px;max-width:none}
  .jot{float:none;width:auto;margin:8px 0 14px;padding:6px 10px;background:rgba(255,194,220,.4);transform:none}
  .jot::before{display:none}
}
@media (max-width:820px){
  .opener,.midsplit,.lowersplit,.backcover__in{grid-template-columns:minmax(0,1fr)}
  .deck{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:700px){
  body{font-size:17.5px}
  .bookcover{padding:14px 14px 0}
  .namelabel{min-width:0;flex:1 1 100%;margin:5px 5px 12px;width:auto}
  .flip__btn{display:inline-block;background:var(--yel);padding:6px 14px;font-weight:700;border-radius:7px 7px 0 0;cursor:pointer;line-height:26px}
  .flip:focus-visible+.flip__btn{outline:3px solid #fff;outline-offset:2px}
  .bookcover__in{align-items:flex-start;gap:0}
  .tabsholder{width:100%}
  .divtabs{display:none;flex-direction:column;gap:0;padding-bottom:10px}
  .flip:checked~.divtabs{display:flex}
  .divtabs a{border-radius:0}
  .sheet{padding:22px 16px 44px}
  .pagewrap{padding:0 16px}
  .pagewrap--ruled{background:linear-gradient(90deg,transparent 7px,var(--rule) 7px,var(--rule) 9px,transparent 9px)}
  .leaf{padding-left:10px}
  .taped{transform:none}
  .tt,.tt tbody,.tt tr,.tt td,.tt tbody th{display:block;width:100%}
  .tt caption{display:block}
  .tt thead{position:absolute;left:-9999px}
  .tt tr{border-bottom:2px solid var(--ink)}
  .tt tbody th{font-weight:700;border:0;border-bottom:1px solid #8c97ab}
  .tt td{height:auto;border:0;border-bottom:1px solid #d3d9e3}
  .tt td a{min-height:0;padding:9px 10px}
  .tt td a::before{content:attr(data-day) ": ";font-weight:400}
  .tt td.free{display:none}
  .tt td.free.show{display:block;font-size:20px}
  .worked__row{grid-template-columns:minmax(0,1fr)}
  .contentspage li{grid-template-columns:72px minmax(0,1fr)}
  .contentspage img{width:72px;height:38px}
  .contentspage time{grid-column:2;font-size:18px}
  .revcard{grid-template-columns:minmax(0,1fr) 92px}
  .revcard img{width:92px}
}
@media print{.bookcover,.backcover{display:none}body{background:#fff}}