:root{
  --bg:#f2f4f6; --surface:#ffffff; --ink:#15191f; --muted:#5b6370; --line:#d8dce2;
  --accent:#1d5ea6; --accent-ink:#ffffff; --soft:#e6eef8;
  --ok:#1c7a46; --warn:#9a6400; --bad:#b3261e;
  --f-emp:#1d5ea6; --f-name:#7a4fb0; --f-date:#1c7a46; --f-mgr:#b25a12; --f-text:#0f766e;
  --paper:#ffffff; --shade:rgba(20,24,31,.06);
  --display:"Barlow Condensed","Arial Narrow",system-ui,sans-serif;
  --body:"Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#111418; --surface:#1a1e24; --ink:#eceef2; --muted:#9aa2ae; --line:#2d323b;
  --accent:#6ea7e8; --accent-ink:#0c1118; --soft:#1d2938;
  --ok:#5cc58c; --warn:#e2a83c; --bad:#f07b72;
  --f-emp:#6ea7e8; --f-name:#b493e0; --f-date:#5cc58c; --f-mgr:#e99a57; --f-text:#4fc7b8;
  --paper:#ffffff; --shade:rgba(0,0,0,.35); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#111418; --surface:#1a1e24; --ink:#eceef2; --muted:#9aa2ae; --line:#2d323b;
  --accent:#6ea7e8; --accent-ink:#0c1118; --soft:#1d2938;
  --ok:#5cc58c; --warn:#e2a83c; --bad:#f07b72;
  --f-emp:#6ea7e8; --f-name:#b493e0; --f-date:#5cc58c; --f-mgr:#e99a57; --f-text:#4fc7b8;
  --paper:#ffffff; --shade:rgba(0,0,0,.35); color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.45}
.wrap{max-width:1100px;margin:0 auto;padding-inline:16px;padding-block:18px 60px;display:grid;gap:16px}
h1,h2,h3{font-family:var(--display);margin:0;letter-spacing:.01em;text-wrap:balance}
h1{font-size:2rem;line-height:1.05} h2{font-size:1.4rem} h3{font-size:1.15rem}
.label{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600}
.muted{color:var(--muted)} .small{font-size:.85rem}
.row{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.row.start{justify-content:flex-start}
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px;display:grid;gap:12px;min-width:0}
.btn{font:600 .93rem var(--body);border-radius:8px;padding:9px 15px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;min-height:42px;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.danger{color:var(--bad);border-color:var(--bad)}
.btn.ghost{border-color:transparent;background:transparent}
.btn.sm{min-height:36px;padding:5px 11px;font-size:.85rem}
.btn:disabled{opacity:.5;cursor:default}
button:focus-visible,input:focus-visible,select:focus-visible,.drop:focus-within{outline:3px solid var(--accent);outline-offset:2px}
input,select{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:9px 11px;width:100%;min-width:0}
.field{display:grid;gap:5px;min-width:0}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.msg{border-radius:8px;padding:10px 13px;font-size:.9rem;border:1px solid var(--line);background:var(--bg)}
.msg.err{border-color:var(--bad)} .msg.good{border-color:var(--ok)} .msg.warn{border-color:var(--warn)}
.msg ul{margin:6px 0 0;padding-left:18px}

/* header */
.top{display:flex;gap:12px;align-items:flex-end;justify-content:space-between;flex-wrap:wrap}
.top .sub{margin:4px 0 0;color:var(--muted);max-width:60ch}

/* library */
.lib{display:grid;grid-template-columns:minmax(0,1fr);gap:14px}
.rail{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.folder{all:unset;cursor:pointer;display:inline-flex;gap:8px;align-items:center;padding:8px 14px;border-radius:999px;font-weight:600;border:1px solid var(--line);background:var(--surface);white-space:nowrap}
.folder span{color:var(--muted);font-variant-numeric:tabular-nums;font-weight:500}
.folder[aria-current="true"]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.folder[aria-current="true"] span{color:var(--accent-ink)}
.folder:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.newfolder{display:flex;gap:6px;min-width:220px}
.newfolder input{padding:7px 11px}
.group{display:grid;gap:10px}
.group-head{display:flex;align-items:baseline;gap:10px;border-bottom:1px solid var(--line);padding-bottom:6px}
.group-head h3{font-size:1.25rem}
.group-head span{color:var(--muted);font-size:.85rem}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}
.dcard{display:grid;grid-template-rows:auto 1fr;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;min-width:0}
.dcard .open{all:unset;cursor:pointer;display:block;background:var(--bg);padding:12px 12px 0;border-bottom:1px solid var(--line)}
.dcard .open:focus-visible{outline:3px solid var(--accent);outline-offset:-3px}
.dthumb{aspect-ratio:8.5/11;max-width:100%;background:var(--paper);box-shadow:0 1px 3px var(--shade);display:grid;place-items:center;overflow:hidden;border-radius:2px 2px 0 0;color:#9aa0a8;font:700 .7rem var(--body);letter-spacing:.06em}
.dthumb img{width:100%;height:100%;object-fit:contain;object-position:top;display:block}
.dcard .body{padding:10px 12px 12px;display:grid;gap:8px;align-content:space-between}
.dcard .t{font-weight:700;line-height:1.25;overflow-wrap:anywhere}
.dcard .m{font-size:.78rem;color:var(--muted)}
.dcard .acts{display:flex;gap:6px;flex-wrap:wrap}
.dcard .acts .primary{flex:1;justify-content:center}
@media (max-width:480px){.cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.dcard .acts .btn{flex:1;justify-content:center}}
.docs{display:grid;gap:8px}
.doc{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:12px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.thumb{width:44px;height:54px;border:1px solid var(--line);border-radius:4px;background:var(--paper);display:grid;place-items:end center;padding-bottom:5px;font:700 .6rem var(--body);color:#b3261e;letter-spacing:.06em}
.doc .t{font-weight:600;overflow-wrap:anywhere}
.doc .m{font-size:.8rem;color:var(--muted)}
.doc .acts{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.chip{display:inline-block;font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:999px;border:1px solid currentColor;margin-left:6px;vertical-align:1px}
.chip.ok{color:var(--ok)} .chip.warn{color:var(--warn)}
.drop{border:2px dashed var(--line);border-radius:10px;padding:16px;text-align:center;display:grid;gap:4px;cursor:pointer;background:var(--surface)}
.drop.over,.libmain.over .drop{border-color:var(--accent);background:var(--soft)}
.empty{color:var(--muted);padding:18px;text-align:center;border:1px dashed var(--line);border-radius:10px}
.uplist{display:grid;gap:4px;font-size:.85rem}

/* reader */
.pages{display:grid;gap:14px;justify-items:center}
.page{position:relative;background:var(--paper);box-shadow:0 1px 3px var(--shade),0 8px 24px var(--shade);border-radius:2px;width:100%;max-width:900px}
.page canvas{display:block;width:100%;height:auto}
.page .pno{position:absolute;right:8px;bottom:6px;font-size:.7rem;color:#6b7280;background:#fff;padding:1px 6px;border-radius:4px}
.fld{position:absolute;border:2px solid var(--c);background:color-mix(in srgb,var(--c) 14%,transparent);border-radius:3px;display:flex;align-items:center;justify-content:center;font:700 .66rem var(--body);color:var(--c);text-transform:uppercase;letter-spacing:.04em;text-align:center;line-height:1.1;overflow:hidden}
.fld img{max-width:100%;max-height:100%}
.fld .x{all:unset;position:absolute;top:-1px;right:-1px;background:var(--c);color:#fff;width:20px;height:20px;display:grid;place-items:center;font-size:.8rem;cursor:pointer;border-radius:0 0 0 4px}
.fld.filled{background:transparent;border-style:dashed;color:#111}
.placing .page{cursor:crosshair}
.loading{padding:40px;text-align:center;color:var(--muted)}

/* setup toolbar */
.tools{display:flex;gap:6px;flex-wrap:wrap}
.tool{all:unset;cursor:pointer;border:2px solid var(--c);color:var(--c);border-radius:8px;padding:6px 12px;font-weight:700;font-size:.85rem}
.tool[aria-pressed="true"]{background:var(--c);color:#fff}
.tool:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.stick{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--bg);padding-block:10px;border-bottom:1px solid var(--line)}

/* signing */
.sig{display:grid;gap:6px}
.pad{position:relative;border:1px dashed var(--muted);border-radius:8px;background:#fff;height:150px;touch-action:none}
.pad canvas{width:100%;height:100%;display:block;border-radius:8px}
.pad .ln{position:absolute;left:14px;right:14px;bottom:30px;border-top:1px solid #c7cbd2;pointer-events:none}
.pad .hint{position:absolute;left:14px;bottom:8px;color:#8a9099;font-size:.78rem;pointer-events:none}
.check{display:flex;gap:10px;align-items:flex-start}
.check input{width:22px;height:22px;flex:none;margin-top:1px}
.check.locked{opacity:.55}
.progress{font-size:.85rem;color:var(--muted)}
.done{display:grid;gap:12px;justify-items:start}
.people{display:grid;gap:8px}
.person{display:flex;flex-wrap:wrap;gap:8px;align-items:center;border:1px solid var(--line);border-radius:8px;padding:8px}
.person > input{flex:1 1 170px;width:auto}
.person > select{flex:0 1 160px;width:auto}
.person .pinset{flex:0 1 130px}
.person label.check{font-size:.85rem;align-items:center;white-space:nowrap}
.person label.check input{width:20px;height:20px;margin:0}
.recips{display:flex;flex-wrap:wrap;gap:6px}
.recip{display:inline-flex;gap:6px;align-items:baseline;border:1px solid var(--line);background:var(--bg);border-radius:999px;padding:4px 12px;font-size:.85rem;max-width:100%;overflow-wrap:anywhere}
.recip small{color:var(--muted)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
body{margin:0;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
[hidden]{display:none!important}
img{max-width:100%}
/* top bar */
.whoami{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:.85rem;color:var(--muted)}
/* login */
.login{min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:24px 16px}
.login .card{width:100%;max-width:360px;gap:16px;padding:24px}
.pin{font:700 1.8rem var(--body);letter-spacing:.4em;text-align:center;padding:12px}
.keys{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.keys button{font:600 1.35rem var(--body);min-height:58px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--ink);cursor:pointer}
.keys button:active{background:var(--soft)}
.person select{padding:8px}
.person .pinset{display:grid;gap:2px}
.person .pinset small{color:var(--muted);font-size:.72rem}

/* text boxes typed directly on the page */
.fld.typing{background:color-mix(in srgb,var(--f-text) 8%,#fff);padding:0;align-items:stretch}
.fld.typing textarea{all:unset;box-sizing:border-box;width:100%;height:100%;padding:2px 4px;font:500 clamp(9px,1.15vw,14px)/1.2 var(--body);color:#111;resize:none;overflow:hidden;white-space:pre-wrap;text-transform:none;letter-spacing:0;text-align:left}
.fld.typing textarea::placeholder{color:var(--f-text);opacity:.8}
.fld.typing:focus-within{outline:2px solid var(--f-text);outline-offset:1px}

/* setup: movable + resizable spots */
.fld.editable{overflow:visible;cursor:move;touch-action:none;user-select:none;-webkit-user-select:none}
.fld.editable.dragging{box-shadow:0 4px 14px rgba(0,0,0,.25);z-index:3}
.fld .rs{position:absolute;right:-7px;bottom:-7px;width:18px;height:18px;border-radius:50%;background:var(--c);border:2px solid #fff;cursor:nwse-resize;touch-action:none;box-shadow:0 1px 3px rgba(0,0,0,.3)}
@media (pointer:coarse){.fld .rs{width:26px;height:26px;right:-11px;bottom:-11px}}