/* Greensheet. See docs/DESIGN.md. Green is identity, never status. */

:root{
  --sheet:#3E8E4E;
  --paper:#F3F7EF;
  --ink:#1C211C;
  --ink-soft:#5B655B;
  --ink-faint:#8B948A;
  --rule:#C9D3C4;
  --sans:"Libre Franklin",system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{background:var(--paper)}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.5}
a{color:inherit}
h1,h2{font-family:var(--sans);font-weight:600;letter-spacing:-.01em;line-height:1.15;text-wrap:balance}
h1{font-size:26px;margin:0 0 12px}
h2{font-size:15px;margin:28px 0 8px;color:var(--ink-soft);font-weight:500;text-transform:uppercase;letter-spacing:.06em;font-size:12px}
p{margin:0 0 10px}
code{font-family:var(--mono);font-size:13px;word-break:break-all}
.soft{color:var(--ink-soft)}
.small{font-size:13px}
.inline{display:inline}
button{font:inherit}
button.linkish{background:none;border:0;padding:0;color:inherit;cursor:pointer;text-decoration:none;border-bottom:1px solid var(--rule)}
button.linkish:hover{border-bottom-color:var(--ink)}
:focus-visible{outline:2px solid var(--sheet);outline-offset:2px}

/* ---------- the mark ---------- */
.mark{position:relative;display:inline-block;width:14px;height:18px;background:var(--sheet);vertical-align:-3px;flex:none;clip-path:polygon(0 0,62% 0,100% 34%,100% 100%,0 100%)}
.mark::after{content:"";position:absolute;right:0;top:0;width:38%;height:34%;background:var(--paper);opacity:.85;clip-path:polygon(0 0,0 100%,100% 100%)}
.mark.sm{width:11px;height:14px;vertical-align:-2px;margin-right:8px}

/* ---------- chrome ---------- */
header.top{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;border-bottom:1px solid var(--rule);font-size:13px;color:var(--ink-soft)}
header .brand{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);font-weight:500}
header .who{display:flex;gap:14px;align-items:center;margin:0}
.messages{max-width:720px;margin:16px auto 0;padding:0 24px}
.messages .msg{padding:8px 12px;border:1px solid var(--rule);background:#fff;font-size:14px}
.devnote{border:1px dashed var(--rule);padding:12px 14px;margin:16px 0;font-size:14px;background:#fff}
.devnote p:last-child{margin:0}

/* ---------- plain pages ---------- */
main.page{padding:36px 24px 64px}
.narrow{max-width:560px;margin:0 auto}
.stack{display:grid;gap:14px;margin:18px 0}
.stack label{display:grid;gap:4px;font-size:13px;color:var(--ink-soft)}
input,textarea{font:inherit;font-size:15px;color:var(--ink);background:#fff;border:1px solid var(--rule);padding:8px 10px;width:100%}
input[type=date]{width:auto}
button[type=submit]:not(.linkish):not(.box){background:var(--ink);color:var(--paper);border:0;padding:9px 16px;cursor:pointer;justify-self:start}
.row{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.sheetlist{list-style:none;margin:0 0 8px;padding:0}
.sheetlist li{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-top:1px solid var(--rule);font-family:var(--serif);font-size:17px}
.sheetlist li:last-child{border-bottom:1px solid var(--rule)}
.sheetlist a{text-decoration:none;display:inline-flex;align-items:center}
.sheetlist .soft{font-family:var(--sans);font-size:13px;white-space:nowrap}

/* ---------- the greensheet ---------- */
main.gs{max-width:760px;margin:0 auto;padding:44px 32px 64px;font-family:var(--serif);font-size:17px;line-height:1.45}
@media (max-width:640px){main.gs{padding:28px 18px 48px}}
.top-line{display:flex;align-items:flex-start;gap:14px;margin-bottom:6px}
.top-line h1{margin:0}
.gs .from{font-family:var(--sans);font-size:14px;color:var(--ink-soft);margin:0 0 4px 28px}
.gs .from b{font-weight:500;color:var(--ink)}
.gs .meta{font-family:var(--sans);font-size:13px;color:var(--ink-faint);margin:0 0 34px 28px}
.items{list-style:none;margin:0;padding:0}
.item{display:grid;grid-template-columns:28px 22px 1fr;column-gap:10px;padding:16px 0;border-top:1px solid var(--rule);align-items:start}
.item:last-child{border-bottom:1px solid var(--rule)}
.item form{margin:0}
.item .n{font-family:var(--mono);font-size:13px;color:var(--ink-faint);padding-top:5px;font-variant-numeric:tabular-nums}
.item .box{display:block;width:18px;height:18px;border:1.5px solid var(--ink);margin-top:5px;background:#fff;padding:0;cursor:pointer;position:relative}
.item .box.static{cursor:default}
.item.done .box{background:var(--ink)}
.item.done .box::after{content:"";position:absolute;left:5px;top:1px;width:5px;height:10px;border:solid var(--paper);border-width:0 2px 2px 0;transform:rotate(42deg)}
.item .t{margin:0;font-weight:600}
.item.done .t{color:var(--ink-soft);font-weight:400}
.item .note{margin:4px 0 0;color:var(--ink-soft);font-size:16px;max-width:62ch}
.item .row{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:8px;font-family:var(--sans);font-size:13px}
.item .due{font-family:var(--mono);font-size:12.5px;color:var(--ink-soft)}
.item .ch{display:flex;gap:14px}
.item .ch a{color:var(--sheet);text-decoration:none;border-bottom:1px solid transparent}
.item .ch a:hover{border-bottom-color:var(--sheet)}
.item .edit{display:flex;gap:14px;color:var(--ink-faint)}
.item .edit a,.item .edit button{color:var(--ink-faint);text-decoration:none;border-bottom:1px solid transparent}
.item .edit a:hover,.item .edit button:hover{color:var(--ink);border-bottom-color:var(--ink)}
.item .doneby{color:var(--ink-faint)}
.item.empty{grid-template-columns:28px 22px 1fr}
.add{display:grid;grid-template-columns:1fr auto auto;gap:10px;margin:22px 0 0 28px;font-family:var(--sans)}
.add textarea{grid-column:1/-1}
.add button{background:var(--ink);color:var(--paper);border:0;padding:8px 14px;cursor:pointer}
.gs .foot{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:28px;padding-left:28px;font-family:var(--sans);font-size:13px;color:var(--ink-soft)}
.gs .foot a{text-decoration:none;color:var(--ink-soft);border-bottom:1px solid var(--rule)}
.gs .foot a:hover{color:var(--ink);border-bottom-color:var(--ink)}
.gs .foot .r{margin-left:auto;color:var(--ink-faint);font-family:var(--mono);font-size:12px}
.history{list-style:none;margin:24px 0 0;padding:0;font-family:var(--sans);font-size:14px}
.history li{display:grid;grid-template-columns:170px 1fr;gap:16px;padding:8px 0;border-top:1px solid var(--rule)}
.history .when{font-family:var(--mono);font-size:12px;color:var(--ink-faint);font-variant-numeric:tabular-nums;padding-top:2px}

/* ---------- hard copy ---------- */
.print-only{display:none}
@media print{
  @page{margin:0.7in}
  html,body{background:#fff;color:#111}
  .no-print{display:none !important}
  .print-only{display:block}
  main.gs{max-width:none;padding:0;font-size:11.5pt;line-height:1.35}
  .top-line{gap:9px}
  .top-line h1{font-size:17pt}
  .mark{background:#111}
  .mark::after{background:#fff;opacity:1}
  .gs .from{font-size:10pt;color:#333;margin-left:23px}
  .print-head{margin:0 0 16px 23px;font-family:var(--sans);font-size:10pt;color:#333}
  .print-head .asof{font-family:var(--mono);font-size:8.5pt;color:#555;letter-spacing:.02em;margin:2px 0 0}
  .item{grid-template-columns:22px 15px 1fr;column-gap:8px;padding:9px 0;border-top:1px solid #888;break-inside:avoid}
  .item:last-child{border-bottom:1px solid #888}
  .item .n{font-size:9.5pt;color:#444;padding-top:2px}
  .item .box{width:12px;height:12px;border:1px solid #111;background:#fff;margin-top:3px}
  .item.done .box{background:#111}
  .item.done .box::after{border-color:#fff;left:3.5px;top:0;width:3px;height:7px;border-width:0 1.5px 1.5px 0}
  .item .t{font-size:11.5pt}
  .item.done .t{color:#444}
  .item .note{font-size:10.5pt;color:#333}
  .item .note a{color:#111;text-decoration:none}
  .item .due{font-size:9pt;color:#333}
  .item .doneby{font-size:9pt;color:#555}
  .print-tail{display:flex;align-items:flex-end;gap:14px;margin-top:28px;font-family:var(--sans);break-inside:avoid}
  .print-tail .qr{width:80px;height:80px}
  .print-tail .back{font-size:9.5pt;color:#222;line-height:1.35}
  .print-tail .back .u{font-family:var(--mono);font-size:10pt;display:block;margin-top:2px}
  .print-tail .pg{margin-left:auto;font-family:var(--mono);font-size:8pt;color:#555}
}

/* ---------- the flip side ---------- */
.gs .prose{max-width:62ch;margin:18px 0 0 28px}
.gs .prose p{margin:0 0 14px}
.flip-confirm{margin:26px 0 0 28px;font-family:var(--sans);font-size:14px}
.flip-confirm button{background:var(--ink);color:var(--paper);border:0;padding:9px 16px;cursor:pointer}
.print-only-inline{display:none}
.hooks li{align-items:flex-start;font-family:var(--sans);font-size:15px}

/* the folded corner, bottom right */
.corner{position:fixed;right:0;bottom:0;width:64px;height:64px;display:block;z-index:5;transition:width .18s ease,height .18s ease}
.corner svg{width:100%;height:100%;display:block}
.corner .under{fill:var(--sheet)}
.corner .flap{fill:#E4EBDF}
.corner .crease{fill:none;stroke:rgba(0,0,0,.18);stroke-width:1}
.corner:hover,.corner:focus-visible{width:84px;height:84px;outline:none}
.corner:focus-visible .flap{fill:#D6E0D0}

/* turning the sheet over */
body{perspective:1600px}
main{transform-origin:50% 50%;backface-visibility:hidden}
main.flip-out{transition:transform .28s ease-in;transform:rotateY(90deg)}
main.flip-in{transform:rotateY(-90deg)}
main:not(.flip-in):not(.flip-out){transition:transform .28s ease-out}
@media (prefers-reduced-motion:reduce){
  main,main.flip-out,main.flip-in{transition:none;transform:none}
}
@media print{
  .corner{display:none}
  .print-only-inline{display:inline}
  main{transform:none !important;transition:none !important}
}

/* ---------- home: create ---------- */
.create-row{margin:12px 0 0}
button.primary{background:var(--ink);color:var(--paper);border:0;padding:9px 16px;cursor:pointer}
#create-form h2{margin-top:6px}

/* ---------- add item: title, note, then date and Add ---------- */
.add{display:grid;grid-template-columns:1fr;gap:10px;margin:22px 0 0 28px;font-family:var(--sans)}
.add .add-row{display:flex;align-items:center;gap:14px}
.add .due-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft)}

/* ---------- preview ---------- */
.preview-bar{font-family:var(--sans);font-size:13px;color:var(--ink-soft);border:1px dashed var(--rule);padding:8px 12px;margin:0 0 22px}
.preview-bar a{color:var(--ink)}