:root{
  --bg:#f4f5f7; --card:#fff; --ink:#1c2230; --muted:#667085; --line:#e4e7ec;
  --brand:#2457d6; --brand-soft:#eef2fd;
  --ok:#12805c; --ok-bg:#e7f6ef; --warn:#b54708; --warn-bg:#fef0e1; --err:#c4320a; --err-bg:#fdeceb;
  --radius:12px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.45}
h1,h2,h3,h4{margin:0 0 10px;line-height:1.25}
h2{font-size:20px}h3{font-size:17px}
h4{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin:18px 0 8px}
.muted{color:var(--muted)}.small{font-size:13px}
.mono{font-family:ui-monospace,Consolas,monospace;font-size:12px;word-break:break-all}
[hidden]{display:none!important}
header.top{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.bar{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:14px;padding:10px 16px;flex-wrap:wrap}
.logo{font-weight:700;display:flex;align-items:center;gap:8px;font-size:16px}
.logo i{width:30px;height:30px;border-radius:8px;background:var(--brand);display:inline-grid;place-items:center;color:#fff;font-style:normal}
nav.tabs{display:flex;gap:4px;flex-wrap:wrap}
nav.tabs button{border:0;background:none;padding:8px 12px;border-radius:8px;font:inherit;color:var(--muted);cursor:pointer}
nav.tabs button:hover{background:var(--bg);color:var(--ink)}
nav.tabs button.on{background:var(--brand-soft);color:var(--brand);font-weight:600}
.spacer{flex:1}
main{max-width:1200px;margin:0 auto;padding:20px 16px 60px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.narrow{max-width:460px;margin:40px auto}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row.end{justify-content:flex-end;margin-top:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--brand);background:var(--brand);color:#fff;padding:9px 16px;border-radius:9px;font:inherit;font-weight:600;cursor:pointer;white-space:nowrap;text-decoration:none}
.btn:hover{filter:brightness(1.08)}.btn:disabled{opacity:.5;cursor:default}
.btn.ghost{background:transparent;color:var(--brand)}
.btn.danger{border-color:var(--err);color:var(--err);background:transparent}
.btn.big{padding:14px 22px;font-size:17px;width:100%}
.mini{border:1px solid var(--line);background:var(--card);border-radius:7px;padding:3px 8px;font:inherit;font-size:12px;cursor:pointer;color:var(--brand)}
input,select,textarea{font:inherit;padding:9px 11px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
label{display:block;font-size:13px;font-weight:600;color:#344054;margin-bottom:12px}
label input,label select,label textarea{margin-top:5px;font-weight:400}
label.check{display:flex;gap:8px;align-items:center;font-weight:500}
label.check input{width:auto;margin:0}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.erro{color:var(--err);font-size:13px;min-height:1em;margin:6px 0}
.tag{display:inline-block;font-size:11px;font-weight:700;padding:2px 7px;border-radius:99px}
.tag.err{background:var(--err-bg);color:var(--err)}.tag.warn{background:var(--warn-bg);color:var(--warn)}.tag.ok{background:var(--ok-bg);color:var(--ok)}
.banner{padding:10px 14px;border-radius:10px;margin-bottom:14px;border:1px solid}
.banner.warn{background:var(--warn-bg);color:var(--warn);border-color:#f8d4ae}
.banner.err{background:var(--err-bg);color:var(--err);border-color:#f9c9c0}
.empty{padding:40px;text-align:center;color:var(--muted);background:var(--card);border:1px dashed var(--line);border-radius:var(--radius)}

/* câmera */
.cam{position:relative;background:#0b0f19;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3}
.cam video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1);display:block}
.guide{position:absolute;left:50%;top:48%;width:44%;aspect-ratio:3/4;transform:translate(-50%,-50%);border:3px dashed rgba(255,255,255,.55);border-radius:50%;pointer-events:none;transition:border-color .2s}
.cam.found .guide{border-color:#5ee2a8;border-style:solid}
.cam.live .guide{border-color:#ffd34d;border-style:solid}
.flash{animation:flash .35s}
@keyframes flash{from{filter:brightness(2.2)}}
.av{display:inline-block;width:34px;height:34px;border-radius:50%;background:#d0d5dd;flex:none;object-fit:cover}

/* diálogo */
dialog{border:0;border-radius:16px;padding:22px;max-width:min(520px,calc(100vw - 32px));width:100%;box-shadow:0 20px 60px rgba(0,0,0,.25);color:var(--ink)}
dialog.wide{max-width:min(900px,calc(100vw - 32px))}
dialog::backdrop{background:rgba(15,20,34,.55)}
.dlg-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.x{border:0;background:none;font-size:26px;cursor:pointer;color:var(--muted);line-height:1}

/* tabelas */
.tbl-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{padding:7px 10px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;background:#fafbfc}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.neg{color:var(--err)}.pos{color:var(--ok)}

@media (max-width:720px){ .two{grid-template-columns:1fr} }