:root{
  /* Paleta azul oscuro + blanco */
  --navy-975:#07142e; --navy-950:#0a1836; --navy-900:#0e2046;
  --navy-800:#102a5c; --navy-700:#143572; --navy-600:#19428f; --navy-500:#1e55b8;
  --ink:#0b1220; --ink-2:#263147; --muted:#6b7280; --muted-2:#8a93a7;
  --bg:#f6f8fc; --card:#ffffff; --card-t:#ffffffd9; --stroke:#e6e8ef;

  --radius:16px; --radius-sm:12px;
  --shadow:0 14px 40px rgba(8,18,40,.10);
  --focus:0 0 0 3px rgba(30,85,184,.28);

  /* Loader vars */
  --loader-bg: rgba(7, 20, 46, .80);
  --loader-card: #0f1a32;
  --loader-ring-bg: #1b2a4d;
  --loader-accent: #22c55e;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; font:15.5px/1.55 Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial;
  color:var(--ink);
  background:
    radial-gradient(1200px 520px at -10% -10%, #dce7ff 0%, transparent 65%),
    radial-gradient(1200px 520px at 110% -15%, #dfe9ff 0%, transparent 65%),
    linear-gradient(180deg,#fff 0%, var(--bg) 100%);
}

/* Masthead oscuro */
.masthead{
  position:sticky; top:0; z-index:50;
  background:linear-gradient(180deg,var(--navy-950),var(--navy-900));
  border-bottom:1px solid #0f244b;
  color:#fff;
}
.masthead__wrap{
  max-width:1180px; margin:0 auto; padding:14px 16px;
  display:flex; align-items:center; gap:16px;
}
.masthead__seal{height:44px; filter:drop-shadow(0 2px 6px rgba(0,0,0,.25))}
.masthead__logo{height:34px; margin-left:auto; filter:drop-shadow(0 2px 6px rgba(0,0,0,.3))}
.masthead__title{margin:0; font-weight:900; letter-spacing:.2px; font-size:clamp(20px,3vw,28px)}
.masthead__subtitle{margin:2px 0 0; color:#bfd0ff; font-size:13px}

.wrap{max-width:1180px; margin:0 auto; padding:28px 16px}
.panel{background:var(--card-t); border:1px solid var(--stroke); border-radius:var(--radius); box-shadow:var(--shadow)}
.panel__inner{padding:22px}

/* Stepper */
.stepper{
  margin:10px 0 14px;
  display:flex; gap:12px; overflow:auto; -webkit-overflow-scrolling:touch; scroll-snap-type:x mandatory; padding-bottom:6px;
}
.stepper::-webkit-scrollbar{height:8px}
.stepper::-webkit-scrollbar-thumb{background:#d7dcf0;border-radius:999px}
.stepper__item{
  min-width:260px; scroll-snap-align:center;
  display:flex; align-items:center; gap:12px; padding:12px 14px;
  border-radius:14px; border:1px solid var(--stroke); background:#fff; box-shadow:var(--shadow);
  cursor:pointer; transition:.18s ease;
}
.stepper__item:hover{transform:translateY(-1px)}
.stepper__icon{
  display:inline-flex; width:42px; height:42px; border-radius:12px; align-items:center; justify-content:center;
  background:linear-gradient(180deg,#eef3ff,#e7efff); border:1px solid #d6e3ff; color:var(--navy-700)
}
.stepper__text b{display:block; font-size:12px; color:var(--muted); font-weight:700}
.stepper__text small{font-weight:800; color:#0f1a32}
.stepper__item.current{outline:2px solid #cfe0ff; border-color:#c7d6ff}
.stepper__item.done .stepper__icon{color:#0d7a3a; background:linear-gradient(180deg,#ecfff5,#dbffe9); border-color:#bbf0cf}

@media (min-width:960px){
  .stepper{display:grid; grid-template-columns:repeat(4,1fr); overflow:visible}
  .stepper__item{min-width:auto}
}

.progress{height:8px;background:#e5e8f2;border-radius:999px;overflow:hidden}
.progress__bar{height:100%;background:linear-gradient(90deg,var(--navy-600),var(--navy-800))}
.progress__label{margin:8px 0 0; font-size:13px; color:var(--muted)}

/* Formulario */
.section__title{
  display:flex; align-items:center; gap:10px; margin:18px 0 12px;
  font-size:19px; color:#0f1a32; font-weight:900; letter-spacing:.3px;
}
.divider{height:1px; background:var(--stroke); margin:6px 0 16px}

.grid{display:grid; grid-template-columns:1fr 1fr; gap:16px}
.field{display:flex; flex-direction:column; position:relative}
.field--wide{grid-column:1/-1}
.field__label{
  font-weight:900; font-size:12.5px; color:#0f1a32; letter-spacing:.35px;
  display:flex; align-items:center; gap:8px; text-transform:uppercase;
}
.field__icon{position:absolute; left:12px; top:36px; color:#6b7a9a; pointer-events:none}
.field__input{
  border:1.2px solid var(--stroke); background:#fff; border-radius:var(--radius-sm);
  padding:12px 12px 12px 40px; font:600 15px/1.45 Inter,system-ui; color:#0f1a32;
  transition:border-color .15s ease, box-shadow .15s ease, background .2s;
}
.field__input::placeholder{color:#a0a7b6; font-weight:500}
.field__input:focus{outline:0; box-shadow:var(--focus); border-color:var(--navy-600); background:#fbfdff}
.field__input--mono{font-family:ui-monospace,Menlo,Consolas,monospace; letter-spacing:.6px; text-transform:uppercase}
.help{color:var(--muted); font-size:12px; margin-top:6px}

.check{display:flex; align-items:flex-start; gap:10px; grid-column:1/-1; margin-top:6px}
.check input{width:18px; height:18px; margin-top:2px}

.callout{display:flex; gap:10px; border:1px solid var(--stroke); background:#f8fafc; border-radius:12px; padding:12px; margin:10px 0}
.callout--warn{border-color:#ffe08a; background:#fff8dd}

.actions{display:flex; justify-content:space-between; gap:12px; margin-top:20px}
.btn{border:1px solid var(--stroke); background:#fff; border-radius:12px; padding:12px 16px; font-weight:900; letter-spacing:.2px; cursor:pointer; transition:.18s}
.btn:hover{transform:translateY(-1px)}
.btn:focus{box-shadow:var(--focus); outline:0}
.btn--primary{background:var(--navy-700); color:#fff; border-color:var(--navy-700)}
.btn--primary:hover{background:var(--navy-800)}

@media (max-width:640px){
  .actions.sticky{
    position:sticky; bottom:-1px; background:#fff; border-top:1px solid var(--stroke);
    padding:12px; margin:16px -22px -22px; border-bottom-left-radius:var(--radius); border-bottom-right-radius:var(--radius);
  }
  .btn{width:48%}
}

/* Uploads */
.uploads{display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:8px}
.upload{border:1px solid var(--stroke); background:#fff; border-radius:12px; padding:12px}
.upload__head{display:flex; align-items:center; gap:10px; margin-bottom:8px}
.upload__title{display:flex; align-items:center; gap:8px}
.badge{font-size:11px; border:1px solid var(--stroke); border-radius:999px; padding:2px 8px; color:var(--ink-2)}
.badge--req{background:#eef2ff; border-color:#c7d2fe; color:#29338a}

.checklist{display:grid; grid-template-columns:repeat(2,1fr); gap:6px; margin:12px 0; padding:0; list-style:none}
.checklist li{display:flex; align-items:center; gap:8px; color:var(--ink-2); font-size:14px}
.muted{color:var(--muted); font-size:13px}
.error{color:#b91c1c}

.footer{max-width:1180px; margin:0 auto; padding:26px 16px; color:var(--muted); font-size:12px; text-align:center}

@media (max-width:920px){ .grid{grid-template-columns:1fr} .uploads{grid-template-columns:1fr 1fr} }
@media (max-width:640px){ .uploads{grid-template-columns:1fr} }

/* Solo inputs de texto/selects */
input[type="text"], select, .field__input--mono {
  text-transform: uppercase;
}

/* === LOADER POLICIAL CENTRADO === */
.overlay{position:fixed; inset:0; display:none; z-index:9999; background:var(--loader-bg); backdrop-filter: blur(2px);}
.overlay.show{display:grid; place-items:center;}

.loader-card{
  width:min(520px,94vw); color:#fff; background:var(--loader-card);
  border-radius:18px; box-shadow:0 20px 60px rgba(0,0,0,.35);
  padding:22px; text-align:center; border:1px solid rgba(255,255,255,.08);
}
.loader-top{display:flex; align-items:center; justify-content:center; gap:10px; margin-bottom:10px;}
.loader-title{font-weight:900; letter-spacing:.2px}
.loader-sub{opacity:.85; font-size:13px; margin:2px 0 12px}

.loader-visual{
  position:relative; width:180px; height:180px; margin:10px auto 12px;
}
.loader-ring{
  position:absolute; inset:0; border-radius:50%;
  background:
    radial-gradient(closest-side, #0f1a32 78%, transparent 80% 100%),
    conic-gradient(var(--loader-accent) calc(var(--p,0)*1%), var(--loader-ring-bg) 0);
  transition: background .15s linear;
}
.loader-badge{
  position:absolute; inset:0; display:grid; place-items:center;
  animation: badgePulse 1.2s ease-in-out infinite;
}
.loader-badge svg{filter: drop-shadow(0 8px 24px rgba(0,0,0,.35));}
@keyframes badgePulse{0%,100%{ transform: scale(1);} 50%{ transform: scale(1.06);} }

.loader-perc{font-size:28px; font-weight:900; margin-top:6px;}
.loader-bar{height:10px; border-radius:999px; background:#1b2a4d; overflow:hidden; margin-top:10px;}
.loader-bar > i{display:block; height:100%; width:0%; background:linear-gradient(90deg,#19d67c,#22c55e,#58e0a0); transition:width .15s linear;}

.loader-actions{display:flex; justify-content:space-between; align-items:center; margin-top:12px;}
.loader-actions small{opacity:.75}
.btn-cancel{background:transparent; border:0; color:#fff; text-decoration:underline; cursor:pointer;}
.is-busy{pointer-events:none; filter:saturate(.75) opacity(.95);}