:root{
  --bg:#0f1216; --panel:#171c23; --panel-2:#1e242d; --line:#2a323d;
  --txt:#e7edf3; --muted:#93a1b0; --brand:#4c8dff; --brand-2:#2f6fe0;
  --ok:#2fbf71; --warn:#f0a832; --danger:#e5484d; --info:#43b6c9;
  --radius:14px; --sombra:0 6px 24px rgba(0,0,0,.28);
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:light){
  :root:not([data-theme="dark"]){
    --bg:#f4f6f9; --panel:#ffffff; --panel-2:#f0f3f7; --line:#e1e6ec;
    --txt:#1a2029; --muted:#5c6b7a; --sombra:0 6px 20px rgba(20,30,50,.08);
  }
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--txt); min-height:100%;
  font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:min(1040px,100%);margin-inline:auto;padding-inline:16px}
.page{padding-block:22px}

/* Topbar */
.topbar{background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.topbar .wrap{display:flex;align-items:center;gap:14px;min-height:58px;flex-wrap:wrap}
.brand{font-weight:700;font-size:17px;color:var(--txt)}
.nav{display:flex;align-items:center;gap:14px;margin-left:auto;flex-wrap:wrap}
.nav a{color:var(--muted);font-weight:600}
.nav a:hover{color:var(--txt);text-decoration:none}
.nav .sep{width:1px;height:20px;background:var(--line)}
.quien{color:var(--muted);font-size:13px}
.pie{color:var(--muted);font-size:13px;padding-block:20px;text-align:center;border-top:1px solid var(--line);margin-top:30px}

/* Cards / paneles */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--sombra)}
.card + .card{margin-top:16px}
.grid{display:grid;gap:16px}
@media(min-width:720px){.grid.cols-2{grid-template-columns:1fr 1fr}.grid.cols-3{grid-template-columns:repeat(3,1fr)}}
h1{font-size:22px;margin:.2em 0 .6em}
h2{font-size:17px;margin:.2em 0 .8em}
.muted{color:var(--muted)}
.small{font-size:13px}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 16px;border-radius:11px;border:1px solid transparent;
  background:var(--brand);color:#fff;font-weight:700;cursor:pointer;font-size:15px}
.btn:hover{background:var(--brand-2);text-decoration:none}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--txt)}
.btn-ghost:hover{background:var(--panel-2)}
.btn-danger{background:var(--danger)}
.btn-lg{padding:16px 22px;font-size:17px;width:100%}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.row-btns{display:flex;gap:10px;flex-wrap:wrap}

/* Formularios */
.field{margin-bottom:14px}
label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:600}
input,select{width:100%;padding:11px 12px;border-radius:11px;border:1px solid var(--line);
  background:var(--panel-2);color:var(--txt);font-size:15px}
input:focus,select:focus{outline:2px solid var(--brand);border-color:transparent}

/* Tablas responsive */
.tabla-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:640px}
th,td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{color:var(--muted);font-weight:600;background:var(--panel-2)}
tr:last-child td{border-bottom:0}

/* Pills / alertas */
.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700}
.pill-ok{background:rgba(47,191,113,.15);color:var(--ok)}
.pill-warn{background:rgba(240,168,50,.16);color:var(--warn)}
.pill-info{background:rgba(67,182,201,.16);color:var(--info)}
.pill-muted{background:var(--panel-2);color:var(--muted)}
.alert{padding:13px 15px;border-radius:12px;margin:14px 0;font-weight:600;border:1px solid transparent}
.alert-ok{background:rgba(47,191,113,.12);border-color:rgba(47,191,113,.4);color:var(--ok)}
.alert-warn{background:rgba(240,168,50,.12);border-color:rgba(240,168,50,.45);color:var(--warn)}
.alert-danger{background:rgba(229,72,77,.12);border-color:rgba(229,72,77,.45);color:var(--danger)}
.alert-info{background:rgba(67,182,201,.12);border-color:rgba(67,182,201,.4);color:var(--info)}

/* Login */
.auth{min-height:70vh;display:grid;place-items:center}
.auth .card{width:min(400px,100%)}

/* Checador */
.check-hero{text-align:center;padding:8px 0 4px}
.reloj{font-size:40px;font-weight:800;letter-spacing:1px}
.geo-estado{font-size:13px;color:var(--muted);margin-top:6px}
.acciones-check{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}
@media(max-width:460px){.acciones-check{grid-template-columns:1fr}}

/* ===== Navegación móvil (hamburguesa) ===== */
.nav-toggle{display:none;margin-left:auto;background:transparent;border:1px solid var(--line);
  color:var(--txt);font-size:20px;line-height:1;padding:6px 12px;border-radius:10px;cursor:pointer}
@media(max-width:760px){
  .nav-toggle{display:inline-flex}
  .nav{display:none;order:3;width:100%;flex-direction:column;align-items:stretch;gap:10px;
    padding:12px 0 4px;border-top:1px solid var(--line);margin-top:8px}
  .nav.open{display:flex}
  .nav a{padding:8px 4px}
  .nav .sep{display:none}
  .nav .quien{padding:4px}
  .nav .btn-ghost{text-align:center}
}

/* ===== Tablas que colapsan a tarjetas en móvil ===== */
@media(max-width:600px){
  table.stack{min-width:0}
  table.stack thead{position:absolute;left:-9999px}
  table.stack tr{display:block;border:1px solid var(--line);border-radius:12px;
    margin-bottom:10px;padding:6px 10px;background:var(--panel)}
  table.stack td{display:flex;justify-content:space-between;gap:12px;
    white-space:normal;border:0;border-bottom:1px dashed var(--line);padding:8px 2px;text-align:right}
  table.stack td:last-child{border-bottom:0}
  table.stack td::before{content:attr(data-label);color:var(--muted);font-weight:600;text-align:left}
  table.stack td:empty{display:none}
  .tabla-wrap:has(table.stack){border:0}
}

/* Agente al pie del login */
.agente{margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.agente-ua{font-size:11px;word-break:break-word;margin-top:4px;opacity:.75}
input:disabled,button:disabled{opacity:.6;cursor:progress}