:root{
  --green-900:#0f3d14;--green-800:#14521a;--green-700:#1b5e20;--green-600:#2e7d32;--green-400:#66bb6a;
  --lime:#9ccc65;--lime-soft:#eef6e7;--ink:#1a2419;--muted:#5d6b59;--line:#dfe6da;--bg:#f3f6f1;--card:#fff;
  --warn:#ef6c00;--warn-soft:#fff3e0;--danger:#c62828;--danger-soft:#fdecea;--ok:#2e7d32;--info:#1565c0;--info-soft:#e8f1fb;
  --r:14px;--r-sm:10px;--shadow:0 1px 2px rgba(20,40,16,.06),0 4px 18px rgba(20,40,16,.06);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{font-family:'Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.5}
h1,h2,h3,h4{margin:0;font-weight:700}
a{color:var(--green-700);text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:15px}
.hidden{display:none!important}
.mark{width:42px;height:42px;border-radius:11px;background:rgba(255,255,255,.16);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.mark.big{width:64px;height:64px;border-radius:16px;background:var(--green-700);font-size:24px;margin:0 auto 12px}

/* botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--r-sm);padding:12px 18px;font-weight:600;background:var(--card);color:var(--ink);transition:.15s;min-height:46px;cursor:pointer}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--green-700);color:#fff}
.btn-primary:hover{background:var(--green-800)}
.btn-accent{background:var(--lime);color:#1a2c12}
.btn-ghost{background:transparent;border-color:var(--line)}
.btn-ghost:hover{background:#f0f4ee}
.btn-danger{background:var(--danger);color:#fff}
.btn-warn{background:var(--warn);color:#fff}
.btn-sm{padding:8px 12px;min-height:38px;font-size:13.5px;border-radius:8px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* login */
.login-bg{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:radial-gradient(1200px 600px at 80% -10%,#246d2a 0,transparent 60%),linear-gradient(160deg,var(--green-900),var(--green-700))}
.login-card{background:#fff;border-radius:20px;box-shadow:0 24px 60px rgba(0,0,0,.28);width:100%;max-width:420px;overflow:hidden}
.login-head{padding:30px 30px 18px;text-align:center;background:linear-gradient(160deg,#fbfdf9,#eef6e7)}
.login-head h1{font-size:21px;color:var(--green-800)}
.login-head p{margin:6px 0 0;color:var(--muted);font-size:13px}
.login-body{padding:22px 30px 28px}
.login-foot{text-align:center;color:var(--muted);font-size:11.5px;margin-top:16px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:var(--r-sm);background:#fff;color:var(--ink);outline:none;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--green-600);box-shadow:0 0 0 3px rgba(46,125,50,.12)}
.field textarea{resize:vertical;min-height:84px}
.req::after{content:" *";color:var(--danger)}
.alert{border-radius:var(--r-sm);padding:11px 14px;margin-bottom:14px;font-size:13.5px}
.alert.err{background:var(--danger-soft);color:#842029;border-left:4px solid var(--danger)}
.alert.ok{background:#e8f5e9;color:#1e4620;border-left:4px solid var(--ok)}
.helper{font-size:12px;color:var(--muted);margin-top:5px}

/* shell */
.shell{display:grid;grid-template-columns:248px 1fr;min-height:100vh}
.sidebar{background:linear-gradient(180deg,var(--green-800),var(--green-900));color:#dff0db;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.side-brand{padding:18px;display:flex;align-items:center;gap:11px;border-bottom:1px solid rgba(255,255,255,.08)}
.side-brand b{font-size:15px;color:#fff;display:block}
.side-brand small{font-size:11px;color:#a9d1a3}
.nav{flex:1;overflow-y:auto;padding:12px 10px}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:10px;color:#cfe8c8;font-weight:600;margin-bottom:2px}
.nav-item .ic{font-size:18px;width:22px;text-align:center}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item.active{background:var(--lime);color:#143b10}
.side-foot{padding:14px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:#a9d1a3}
.side-foot b{color:#fff;display:block}
.btn-out{display:block;text-align:center;margin-top:10px;padding:9px;border-radius:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#dff0db}
.main{display:flex;flex-direction:column;min-width:0}
.topbar{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);padding:12px 22px;display:flex;align-items:center;gap:14px}
.topbar h3{font-size:17px;flex:1}
.conn{display:flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;padding:6px 11px;border-radius:20px;border:1px solid var(--line)}
.conn .dot{width:9px;height:9px;border-radius:50%;background:var(--ok)}
.conn.off{background:var(--warn-soft);color:var(--warn);border-color:#ffd9b0}
.conn.off .dot{background:var(--warn)}
.conn.on{background:#e9f6ea;color:var(--ok);border-color:#bfe3c2}
.content{padding:22px;max-width:1180px;width:100%;margin:0 auto}

/* componentes */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.card-pad{padding:18px}
.page-title{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.page-title h1{font-size:23px}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(165px,1fr));gap:14px;margin-bottom:20px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;box-shadow:var(--shadow)}
.stat .n{font-size:30px;font-weight:800;color:var(--green-700)}
.stat .l{font-size:12.5px;color:var(--muted);font-weight:600}
.stat.warn .n{color:var(--warn)}.stat.info .n{color:var(--info)}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:6px 0 14px;flex-wrap:wrap}
.section-head h2{font-size:17px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:14px}
.toolbar .field{margin:0}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.form-grid .full{grid-column:1/-1}
@media(max-width:620px){.form-grid{grid-template-columns:1fr}}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff}
table{border-collapse:collapse;width:100%;font-size:13.5px;min-width:520px}
th{background:#f4f8f1;text-align:left;padding:11px 14px;font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);border-bottom:1px solid var(--line)}
td{padding:11px 14px;border-bottom:1px solid #eef2ec;vertical-align:middle}
tr:last-child td{border-bottom:none}
tr:hover td{background:#fafcf8}
.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;font-size:11.5px;font-weight:700}
.b-final{background:#e8f5e9;color:#2e7d32}.b-pend{background:var(--warn-soft);color:var(--warn)}
.b-sync{background:var(--info-soft);color:var(--info)}.b-draft{background:#eceff1;color:#546e7a}
.b-geral{background:#ede7f6;color:#5e35b1}.b-setor{background:#e0f2f1;color:#00796b}
.list-empty{text-align:center;padding:46px 20px;color:var(--muted)}
.list-empty .em{font-size:40px;margin-bottom:8px}
.divider{height:1px;background:var(--line);margin:18px 0}

/* assinatura / câmera / participantes */
.sig-pad{border:2px dashed var(--green-400);border-radius:var(--r-sm);background:#fbfff9;touch-action:none;width:100%;height:180px;display:block}
.cam-box{border:2px solid var(--line);border-radius:var(--r-sm);overflow:hidden;background:#0d130c;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;position:relative}
.cam-box video,.cam-box img,.cam-box canvas{width:100%;height:100%;object-fit:cover;display:block}
.cam-placeholder{color:#cfe0c8;text-align:center;font-size:13px;padding:18px}
.cap-row{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.participant-row{display:flex;align-items:center;gap:12px;padding:11px;border:1px solid var(--line);border-radius:var(--r-sm);margin-bottom:8px;background:#fff}
.participant-row img.pthumb{width:48px;height:48px;border-radius:8px;object-fit:cover;border:1px solid var(--line)}
.participant-row .pinfo{flex:1;min-width:0}
.participant-row .pinfo small{color:var(--muted);display:block;font-size:12px}
.psig{height:36px;border:1px solid var(--line);border-radius:6px;background:#fff;width:90px;object-fit:contain}
.ciencia{background:var(--lime-soft);border:1px solid #d5e7c5;border-radius:var(--r-sm);padding:13px 15px;font-size:12.5px;color:#2c4022;line-height:1.55;margin:12px 0}

/* modal */
.modal-bg{position:fixed;inset:0;background:rgba(15,40,12,.5);backdrop-filter:blur(3px);z-index:100;display:flex;align-items:flex-start;justify-content:center;padding:24px 16px;overflow-y:auto}
.modal{background:#fff;border-radius:var(--r);width:100%;max-width:560px;box-shadow:0 24px 64px rgba(0,0,0,.3);margin:auto}
.modal.lg{max-width:720px}
.modal-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.modal-x{border:none;background:#f0f4ee;width:34px;height:34px;border-radius:9px;font-size:18px;color:var(--muted);cursor:pointer}
.modal-body{padding:20px;max-height:72vh;overflow-y:auto}
.modal-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}

/* toasts */
#toasts{position:fixed;right:18px;bottom:18px;z-index:200;display:flex;flex-direction:column;gap:10px;max-width:340px}
.toast{background:#fff;border-left:4px solid var(--green-600);border-radius:10px;box-shadow:0 8px 30px rgba(0,0,0,.18);padding:12px 16px;font-size:13.5px}
.toast.err{border-left-color:var(--danger)}.toast.warn{border-left-color:var(--warn)}.toast.info{border-left-color:var(--info)}

/* responsivo: vira menu inferior */
@media(max-width:860px){
  .shell{grid-template-columns:1fr}
  .sidebar{position:fixed;bottom:0;left:0;right:0;top:auto;height:auto;flex-direction:row;z-index:40;background:#fff;border-top:1px solid var(--line)}
  .side-brand,.side-foot{display:none}
  .nav{display:flex;flex-direction:row;overflow-x:auto;padding:6px}
  .nav-item{flex-direction:column;gap:2px;font-size:10px;font-weight:600;color:var(--muted);padding:6px 10px;white-space:nowrap}
  .nav-item:hover,.nav-item.active{background:none;color:var(--green-700)}
  .nav-item .ic{font-size:20px}
  .content{padding:16px 14px 84px}
  .topbar{padding:10px 14px}
  #toasts{left:14px;right:14px;bottom:84px;max-width:none}
}