:root{
  --ink:#14162b;
  --indigo:#2e3a8c;
  --indigo-deep:#1b2460;
  --indigo-soft:#eef0fb;
  --mint:#27b98c;
  --coral:#e6533f;
  --paper:#f6f7fb;
  --line:#dde1f2;
  --muted:#6b7089;
}
*{box-sizing:border-box;}
body{
  margin:0;
  font-family:'Inter',sans-serif;
  color:var(--ink);
  background:var(--paper);
}
h1,h2,.brand-mark{font-family:'Sora',sans-serif;}

.page{
  min-height:100vh;
  display:flex;
  flex-wrap:wrap;
}

/* ---------- PANEL DE MARCA ---------- */
.brand-panel{
  flex:1 1 360px;
  background:linear-gradient(150deg,var(--indigo-deep) 0%, var(--indigo) 100%);
  color:#e7e9fb;
  padding:56px 48px;
  position:relative;
  overflow:hidden;
  min-height:420px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.brand-mark{
  font-weight:700; font-size:18px; color:#fff; margin-bottom:28px;
}
.brand-mark span{color:var(--mint);}
.brand-panel h1{
  font-weight:700; font-size:clamp(26px,3.4vw,36px); line-height:1.18;
  margin:0 0 16px; max-width:13ch;
}
.brand-panel p{
  max-width:38ch; color:#c4c9ef; font-size:15px; margin:0 0 28px;
}
.brand-points{list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:10px;}
.brand-points li{
  font-size:14px; color:#dfe2fa; padding-left:22px; position:relative;
}
.brand-points li::before{
  content:"";
  position:absolute; left:0; top:6px; width:9px; height:9px;
  border-radius:2px; background:var(--mint);
}

/* decoración: pila de documentos abstracta */
.doc-stack{
  position:absolute; right:-30px; bottom:-40px; width:220px; height:220px;
}
.doc-stack span{
  position:absolute; width:150px; height:190px; background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14); border-radius:6px;
}
.doc-stack span:nth-child(1){transform:rotate(-8deg); left:10px; top:10px;}
.doc-stack span:nth-child(2){transform:rotate(4deg); left:35px; top:0;}
.doc-stack span:nth-child(3){transform:rotate(-2deg); left:60px; top:20px; background:rgba(255,255,255,.1);}

/* ---------- PANEL DE FORMULARIO ---------- */
.form-panel{
  flex:1 1 420px;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:48px 24px;
}
.registro-card{
  width:100%; max-width:440px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:10px;
  padding:36px 32px;
}
.form-head h2{margin:0 0 4px; font-size:24px; color:var(--ink);}
.form-head p{margin:0 0 24px; font-size:14px; color:var(--muted);}

/* ---------- SELECTOR REGISTRO / INICIO DE SESIÓN ---------- */
.mode-tabs{
  display:flex; background:var(--paper); border:1px solid var(--line);
  border-radius:8px; padding:3px; margin-bottom:22px;
}
.mode-tab{
  flex:1; padding:9px 10px; border:none; background:transparent; border-radius:6px;
  font-family:inherit; font-size:13.5px; font-weight:600; color:var(--muted);
  cursor:pointer; transition:background .15s, color .15s;
}
.mode-tab.active{background:#fff; color:var(--indigo-deep); box-shadow:0 1px 2px rgba(20,22,43,.08);}

.field.hidden-field,
.checkbox-field.hidden-field,
span.hidden-field{display:none !important;}

.form-alert{
  background:#fdecea; border:1px solid #f3b9b1; color:#9c2b1f;
  font-size:13.5px; padding:10px 14px; border-radius:6px; margin-bottom:18px;
}
.form-alert.success{
  background:#e8f8f1; border-color:#a6e3c9; color:#146c4c;
}

.field{margin-bottom:16px;}
.field-row{display:flex; gap:14px;}
.field-row .field{flex:1; min-width:150px;}

label{display:block; font-size:13.5px; font-weight:600; margin-bottom:6px; color:var(--ink);}

input[type="text"],
input[type="email"],
input[type="password"]{
  width:100%; padding:11px 12px; font-size:14.5px; font-family:inherit;
  border:1px solid var(--line); border-radius:6px; background:#fbfbfe;
  color:var(--ink); outline:none; transition:border-color .15s;
}
input:focus{border-color:var(--indigo);}
input.invalid{border-color:var(--coral);}
input.valid{border-color:var(--mint);}

.input-with-action{position:relative;}
.input-with-action input{padding-right:40px;}
.toggle-pass{
  position:absolute; right:6px; top:50%; transform:translateY(-50%);
  background:none; border:none; cursor:pointer; font-size:15px; padding:6px;
  color:var(--muted);
}

.field-error{
  display:block; min-height:16px; font-size:12.5px; color:var(--coral); margin-top:4px;
}

/* honeypot: invisible para personas, presente para bots */
.hp-field{
  position:absolute !important;
  left:-9999px !important;
  width:1px; height:1px; overflow:hidden;
}

/* ---------- VERIFICACIÓN HUMANA ---------- */
.human-check{
  background:var(--indigo-soft);
  border:1px solid var(--line);
  border-radius:8px;
  padding:16px 16px 6px;
  margin:20px 0 18px;
}
.human-check-label{
  margin:0 0 10px; font-size:13px; font-weight:600; color:var(--indigo-deep);
}
.captcha-row{display:flex; align-items:center; gap:8px; margin-bottom:4px;}
.captcha-question{
  font-size:14px; font-weight:600; color:var(--ink); white-space:nowrap;
}
.captcha-row input{flex:1; min-width:0;}
.captcha-refresh{
  border:1px solid var(--line); background:#fff; border-radius:6px;
  width:38px; height:38px; font-size:16px; cursor:pointer; color:var(--indigo);
  flex:none;
}

.slide-verify{margin:14px 0 8px;}
.slide-track{
  position:relative; height:42px; background:#fff; border:1px solid var(--line);
  border-radius:21px; overflow:hidden; user-select:none;
}
.slide-fill{
  position:absolute; left:0; top:0; bottom:0; width:0%;
  background:linear-gradient(90deg,#a9e6cf,var(--mint));
  transition:width .05s;
}
.slide-text{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  font-size:13px; color:var(--muted); pointer-events:none;
}
.slide-handle{
  position:absolute; left:2px; top:2px; width:38px; height:38px; border-radius:50%;
  background:var(--indigo); color:#fff; display:flex; align-items:center; justify-content:center;
  cursor:grab; font-size:15px; touch-action:none;
}
.slide-verify.confirmed .slide-handle{background:var(--mint); cursor:default;}
.slide-verify.confirmed .slide-text{color:#146c4c;}

.checkbox-field{
  display:flex; align-items:flex-start; gap:8px; font-size:13.5px; color:var(--ink);
  margin-bottom:2px; cursor:pointer;
}
.checkbox-field input{margin-top:2px;}

.btn-submit{
  width:100%; margin-top:18px; padding:13px; border:none; border-radius:7px;
  background:var(--indigo); color:#fff; font-size:15px; font-weight:600;
  font-family:inherit; cursor:pointer; transition:background .15s;
}
.btn-submit:hover{background:var(--indigo-deep);}
.btn-submit:disabled{background:#b7bce0; cursor:not-allowed;}

.form-footer{text-align:center; font-size:13.5px; color:var(--muted); margin:18px 0 0;}
.form-footer a{color:var(--indigo); font-weight:600; text-decoration:none;}

@media (max-width:760px){
  .field-row{flex-direction:column; gap:0;}
  .brand-panel{padding:40px 28px;}
  .registro-card{padding:28px 22px;}
}

/* ---------- SELECTOR DE TIPO DE CUENTA (se suma al diseño existente) ---------- */
.tipo-toggle{display:flex; gap:8px;}
.tipo-option{flex:1; margin:0; cursor:pointer; position:relative;}
.tipo-option input{position:absolute; opacity:0; pointer-events:none;}
.tipo-option span{
  display:block; text-align:center; padding:10px 8px; border:1px solid var(--line);
  border-radius:6px; font-size:13px; font-weight:600; color:var(--muted); background:#fbfbfe;
  transition:border-color .15s, background .15s, color .15s;
}
.tipo-option input:checked + span{border-color:var(--indigo); background:var(--indigo-soft); color:var(--indigo-deep);}
.tipo-option input:focus-visible + span{outline:2px solid var(--indigo); outline-offset:1px;}