:root{--ink:#0f1b2d;--mut:#5d6b82;--desk:#e8ecf2;--paper:#fff;--bd:#d3dae6;--pri:#1d3fbb;--pri-d:#16318f;--sig:#b45309;--ok:#12805c;--err:#b42318;--r:8px}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0}
body{font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--desk);color:var(--ink)}
h1,h2{font-family:Georgia,"Iowan Old Style","Times New Roman",serif;font-weight:600;line-height:1.2;margin:0 0 .5em}
h1{font-size:1.6rem}h2{font-size:1.25rem}
a{color:var(--pri)}
.mut{color:var(--mut)}.small{font-size:13px}.ok{color:var(--ok)}.err{color:var(--err);margin:.6em 0 0;min-height:1.2em}
.center{text-align:center}.grow{flex:1}.big{font-size:2.4rem;display:block;margin-bottom:.3em}
.hide-s{font-size:13px}
.topbar{display:flex;align-items:center;gap:12px;padding:8px 16px;background:var(--paper);border-bottom:1px solid var(--bd);position:sticky;top:0;z-index:20;min-height:53px}
.brand{font:600 1.05rem Georgia,serif;color:var(--ink);text-decoration:none;display:inline-flex;gap:6px;align-items:center}
.ttl{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:40vw}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 13px;border:1px solid var(--bd);background:var(--paper);color:var(--ink);border-radius:var(--r);cursor:pointer;font:inherit;text-decoration:none;line-height:1.2}
.btn:hover{border-color:var(--pri)}
.btn:focus-visible,input:focus-visible,select:focus-visible,.sf:focus-visible,.drop:focus-visible{outline:3px solid rgba(29,63,187,.4);outline-offset:1px}
.btn-p{background:var(--pri);border-color:var(--pri);color:#fff}.btn-p:hover{background:var(--pri-d)}
.btn-d{color:var(--err)}.btn-d:hover{border-color:var(--err)}
.btn[disabled]{opacity:.5;cursor:default}
.btn.block{display:flex;width:100%;margin-top:12px}
.wrap{max-width:1000px;margin:24px auto;padding:0 16px}
.wrap.narrow{max-width:520px}
.head{margin-bottom:12px}
.card{background:var(--paper);border:1px solid var(--bd);border-radius:var(--r);padding:22px}
.login{margin-top:6vh}
.prose h2{margin-top:1.4em}
label.f{display:block;margin:14px 0 4px;font-weight:600;font-size:14px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=datetime-local]{width:100%;padding:9px 11px;border:1px solid var(--bd);border-radius:var(--r);font:inherit;background:#fff;color:var(--ink)}
.chk{display:flex;gap:9px;align-items:flex-start;margin:14px 0 4px;cursor:pointer}
.chk input{margin-top:4px}
.disclaimer{background:#f1f4fa;border-left:3px solid var(--pri);padding:9px 12px;margin-top:14px;font-size:13.5px;color:var(--mut)}
.drop{border:2px dashed var(--bd);border-radius:var(--r);padding:26px;text-align:center;cursor:pointer;background:var(--paper);margin-bottom:16px}
.drop p{margin:.2em 0}
.drop.over{border-color:var(--pri);background:#eef2ff}.drop.busy{opacity:.55;pointer-events:none}
.tablecard{padding:6px 16px}
table.t{width:100%;border-collapse:collapse}
.t th,.t td{padding:12px 8px;border-bottom:1px solid var(--bd);text-align:left;vertical-align:middle}
.t tr:last-child td{border-bottom:0}.t th{font-size:13px;color:var(--mut);font-weight:600}
.acts{white-space:nowrap;text-align:right}.acts .btn{padding:6px 9px}
.badge{display:inline-block;padding:2px 9px;border-radius:99px;font-size:12px;background:#e6eaf3;color:var(--ink)}
.badge.ok{background:#dcf3ea;color:var(--ok)}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:var(--r);z-index:99;max-width:90vw}
.toast.err{background:var(--err);color:#fff}
.row{display:flex;gap:8px;align-items:center;margin-top:14px;flex-wrap:wrap}
/* viewer / editor */
.stage{flex:1;overflow:auto;padding:14px;display:flex;flex-direction:column;align-items:center;gap:12px}
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;background:var(--paper);border:1px solid var(--bd);border-radius:var(--r);padding:8px 10px;position:sticky;top:0;z-index:5;width:100%;max-width:900px}
.toolbar input[type=number]{width:64px;text-align:center}
.sep{width:1px;align-self:stretch;background:var(--bd)}
.pagewrap{position:relative;max-width:100%;background:#fff;box-shadow:0 2px 16px rgba(15,27,45,.22);line-height:0;width:100%}
.pagewrap canvas{display:block}
.overlay{position:absolute;left:0;top:0}
.editor{display:flex;height:calc(100vh - 53px)}
.fld{position:absolute;border:2px solid;border-radius:4px;cursor:move;touch-action:none;display:flex;align-items:flex-start}
.fld.text{color:var(--pri);background:rgba(29,63,187,.12)}
.fld.signature{color:var(--sig);background:rgba(180,83,9,.13)}
.fld.sel{box-shadow:0 0 0 3px rgba(29,63,187,.35)}
.fld .lab{font:11px/1.2 system-ui,sans-serif;padding:1px 4px;pointer-events:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.rh{position:absolute;right:-7px;bottom:-7px;width:14px;height:14px;background:#fff;border:2px solid currentColor;border-radius:3px;cursor:nwse-resize}
.drawer{width:320px;flex:none;background:var(--paper);border-left:1px solid var(--bd);overflow:auto;padding:14px}
.tabs{display:flex;gap:6px;margin-bottom:8px}.tabs .btn{flex:1}.tabs .on{background:var(--ink);border-color:var(--ink);color:#fff}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 10px}
.linkrow{display:flex;gap:6px;margin-top:6px}
.p-warning{background-color: #db8787 !important; border-left: 4px solid #ffc107; padding: 12px 16px; margin: 16px 0; border-radius: 4px;}
@media(max-width:800px){.drawer{position:fixed;right:0;top:53px;bottom:0;transform:translateX(105%);transition:transform .18s;z-index:30;box-shadow:-4px 0 18px rgba(0,0,0,.2)}.drawer.open{transform:none}}
@media(min-width:801px){#toggleDrawer{display:none}}
/* signature (public) */
.sf{position:absolute;border:1.5px solid var(--pri);background:rgba(29,63,187,.09);border-radius:3px;padding:0 5px;font-family:Helvetica,Arial,sans-serif;color:#00005a;margin:0;min-width:0}
.sf.sig{border-color:var(--sig);background:rgba(180,83,9,.1);color:var(--sig);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:5px;font:600 13px system-ui,sans-serif;padding:2px}
.sf.sig img{max-width:100%;max-height:100%;object-fit:contain}
.sf.bad{border-color:var(--err);background:rgba(180,35,24,.14);box-shadow:0 0 0 2px rgba(180,35,24,.3)}
.modal-bg{position:fixed;inset:0;background:rgba(15,27,45,.6);display:flex;align-items:center;justify-content:center;z-index:50;padding:12px}
.modal{background:var(--paper);border-radius:12px;max-width:620px;width:100%;max-height:94vh;overflow:auto;padding:20px}
.qrbox{display:flex;gap:16px;align-items:center;margin-bottom:10px}
.qrbox img{border:1px solid var(--bd);border-radius:var(--r);flex:none}
.mprev{border:1px solid var(--bd);border-radius:var(--r);padding:6px;margin-bottom:10px;text-align:center;background:#fafbfd}
.mprev img{max-height:90px;max-width:100%}
canvas.pad{display:block;width:100%;height:200px;border:2px dashed var(--pri);border-radius:var(--r);background:#fff;touch-action:none}
canvas.pad.tall{height:min(62vh,420px)}
.mob{max-width:640px;margin:0 auto;padding:16px}
@media(max-width:560px){.qrbox{flex-direction:column;text-align:center}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}