:root{--bg:#f3f4f7;--surface:#fff;--surface2:#eceef3;--line:#d8dce5;--ink:#161b26;--muted:#5a6275;--brand:#1f3a8a;--brand-soft:#e3e9f9;--ok:#1b7a4b;--ok-soft:#ddf1e5;--warn:#9a5b00;--warn-soft:#fbebcf;--bad:#b0261c;--bad-soft:#fbe1de}
@media (prefers-color-scheme:dark){:root{--bg:#0f131b;--surface:#171c27;--surface2:#212736;--line:#2c3446;--ink:#e7eaf1;--muted:#98a1b5;--brand:#8ea8f2;--brand-soft:#1f2a4a;--ok:#5fd09a;--ok-soft:#173a2a;--warn:#f0b255;--warn-soft:#3a2d12;--bad:#ff8e83;--bad-soft:#40201d}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--brand)}
h1{font-size:1.5rem;margin:.2rem 0 1rem}h2{font-size:1.15rem;margin:1.4rem 0 .6rem}h3{font-size:1rem;margin:1rem 0 .4rem}
.wrap{max-width:980px;margin:0 auto;padding:16px}
.narrow{max-width:640px}
header.top{background:var(--surface);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;gap:16px;align-items:center;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.brand{font-weight:700;color:var(--brand);font-size:1.1rem;text-decoration:none}
nav{display:flex;gap:4px;flex-wrap:wrap;flex:1}
nav a{padding:6px 12px;border-radius:8px;text-decoration:none;color:var(--ink)}
nav a.on{background:var(--brand-soft);color:var(--brand);font-weight:600}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px;margin:12px 0}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row>*{flex:1 1 200px}
label{display:block;font-size:.85rem;font-weight:600;color:var(--muted);margin:10px 0 4px}
input[type=text],input[type=email],input[type=password],input[type=date],input[type=tel],input[type=file],textarea,select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);font:inherit}
input[type=checkbox]{width:18px;height:18px;vertical-align:middle;margin-right:6px}
.check{display:flex;align-items:flex-start;gap:8px;font-weight:500;color:var(--ink);font-size:.95rem;margin:8px 0}
.check input{margin-top:3px;flex:none}
button,.btn{display:inline-block;padding:10px 16px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
button.primary,.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
@media (prefers-color-scheme:dark){button.primary,.btn.primary{color:#0f131b}}
button.danger{color:var(--bad);border-color:var(--bad)}
button:disabled{opacity:.5;cursor:not-allowed}
button.small,.btn.small{padding:5px 10px;font-size:.85rem}
.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.8rem;font-weight:600;background:var(--surface2);color:var(--muted)}
.pill.ok{background:var(--ok-soft);color:var(--ok)}.pill.warn{background:var(--warn-soft);color:var(--warn)}.pill.bad{background:var(--bad-soft);color:var(--bad)}.pill.info{background:var(--brand-soft);color:var(--brand)}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--line);vertical-align:top;font-size:.93rem}
th{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
tr.click{cursor:pointer}tr.click:hover{background:var(--surface2)}
.muted{color:var(--muted)}.small{font-size:.85rem}.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.8rem;word-break:break-all}
.err{background:var(--bad-soft);color:var(--bad);padding:10px 12px;border-radius:8px;margin:10px 0}
.okmsg{background:var(--ok-soft);color:var(--ok);padding:10px 12px;border-radius:8px;margin:10px 0}
.warnmsg{background:var(--warn-soft);color:var(--warn);padding:10px 12px;border-radius:8px;margin:10px 0}
.banner{font-size:.85rem;padding:6px 12px}
.signer-form{border:1px dashed var(--line);border-radius:10px;padding:10px 12px;margin:10px 0}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
.kv{display:grid;grid-template-columns:150px 1fr;gap:4px 12px;font-size:.92rem}.kv dt{color:var(--muted)}.kv dd{margin:0;word-break:break-word}
@media (max-width:560px){.kv{grid-template-columns:1fr}.kv dt{margin-top:6px}}
/* pagina de assinatura */
.sign-doc{width:100%;height:55vh;min-height:320px;border:1px solid var(--line);border-radius:8px;background:#fff}
canvas.pad{width:100%;height:auto;aspect-ratio:800/260;border:1px dashed var(--muted);border-radius:10px;background:#fff;touch-action:none;display:block}
.tabs{display:flex;gap:6px;margin-bottom:8px}.tabs button.on{background:var(--brand-soft);border-color:var(--brand);color:var(--brand)}
video.cam,img.shot{width:100%;max-width:320px;border-radius:10px;background:#000;display:block}
video.cam{transform:scaleX(-1)}
.sticky-foot{position:sticky;bottom:0;background:var(--bg);padding:10px 0}
.steps{counter-reset:s}.step{counter-increment:s}.step>h2::before{content:counter(s) ". "}

/* logomarca */
.brandbar{display:flex;justify-content:center;padding:18px 16px 0}
.brandbar img{height:72px;width:auto;max-width:78%;object-fit:contain;background:#fff;border-radius:14px;padding:8px 16px;box-shadow:0 1px 3px rgba(0,0,0,.12)}
.brand{display:inline-flex;align-items:center;gap:10px}
.brandlogo{height:34px;width:auto;background:#fff;border-radius:8px;padding:3px 8px}

/* posicao das assinaturas */
.pl-chips{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0}
.pl-chip{display:inline-flex;align-items:center;gap:7px;border:2px solid var(--c);color:var(--c);background:transparent;border-radius:999px;padding:6px 14px;font-weight:600;cursor:pointer}
.pl-chip.on{background:var(--c);color:#fff}
.pl-chip .dot{width:10px;height:10px;border-radius:50%;background:var(--c)}.pl-chip.on .dot{background:#fff}
.pl-n{background:var(--c);color:#fff;border-radius:999px;font-size:.75rem;padding:0 7px}.pl-chip.on .pl-n{background:#fff;color:var(--c)}
.pl-pages{display:grid;gap:14px;margin-top:10px;max-height:78vh;overflow:auto;padding:10px;background:var(--surface2);border-radius:10px}
.pl-file{margin:8px 0 0}
.pl-pg{position:relative;width:100%;max-width:620px;margin:0 auto;background:#fff;box-shadow:0 1px 6px rgba(0,0,0,.25)}
.pl-pg canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.pl-ov{position:absolute;inset:0}
.pl-pages.armed .pl-ov{cursor:crosshair;outline:2px dashed rgba(31,58,138,.35);outline-offset:-2px}
.pl-pn{position:absolute;left:6px;top:4px;font-size:11px;color:#667;background:rgba(255,255,255,.85);padding:0 5px;border-radius:4px;pointer-events:none}
.pl-box{position:absolute;border:2px solid;border-radius:6px;cursor:move;touch-action:none;display:flex;align-items:flex-end;justify-content:center;overflow:hidden}
.pl-label{font-size:11px;font-weight:700;padding:0 4px 2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;pointer-events:none}
.pl-del{position:absolute;right:0;top:0;border:0;background:rgba(0,0,0,.55);color:#fff;width:22px;height:22px;line-height:20px;padding:0;border-radius:0 4px 0 6px;cursor:pointer;font-size:16px}
.pl-grip{position:absolute;right:0;bottom:0;width:16px;height:16px;cursor:nwse-resize;background:linear-gradient(135deg,transparent 50%,currentColor 50%);opacity:.7;touch-action:none}