:root{
  --brand:#6C49EB;
  --brand-600:#5a37d8;
  --brand-50:#f1edfe;
  --ink:#0f0b24;
  --muted:#6b6880;
  --line:#e4e2ee;
  --bg:#f7f6fb;
  --danger:#d93a4b;
  --radius:12px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

.auth{
  min-height:100vh;
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);
}

/* ---------- Panel de marca ---------- */
.brand{
  position:relative;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  padding:48px 56px;
  color:#fff;
  background:
    radial-gradient(900px 600px at 110% -10%, rgba(140,110,255,.55), transparent 60%),
    radial-gradient(700px 500px at -10% 110%, rgba(108,73,235,.6), transparent 60%),
    linear-gradient(160deg,#1b1240 0%,#120c2c 55%,#0b0820 100%);
}
.brand::after{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse at 30% 40%,#000 0%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse at 30% 40%,#000 0%,transparent 75%);
  pointer-events:none;
}
.brand > *{position:relative;z-index:1}
/* Logo cuadrado como ícono de app: se recorta parte del margen violeta para que el texto gane tamaño. */
.logo-tile{
  display:block;flex:none;overflow:hidden;
  width:48px;height:48px;border-radius:12px;
  background:#6e4beb;
  box-shadow:0 6px 16px -6px rgba(108,73,235,.55);
}
.logo-tile img{
  display:block;width:100%;height:100%;max-width:none;
  object-fit:cover;transform:scale(1.22);
}
.logo-tile-lg{
  width:56px;height:56px;border-radius:14px;
  box-shadow:0 0 0 1px rgba(255,255,255,.14),0 12px 28px -10px rgba(0,0,0,.6);
}
.brand-mark{display:flex;align-items:center;gap:14px}
.brand-name{display:flex;flex-direction:column;line-height:1.25}
.brand-name strong{font-size:17px;font-weight:600;letter-spacing:-.01em}
.brand-name small{font-size:13px;color:#a9a3c9}
.brand-copy{max-width:460px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:#cfc4ff;
  padding:6px 12px;border:1px solid rgba(207,196,255,.25);border-radius:999px;
  background:rgba(255,255,255,.04);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:#8f74ff;box-shadow:0 0 10px #8f74ff}
.brand h1{
  font-size:clamp(32px,3.4vw,46px);
  line-height:1.1;
  letter-spacing:-.02em;
  font-weight:700;
  margin:20px 0 14px;
}
.brand h1 span{
  background:linear-gradient(90deg,#b7a5ff,#8f74ff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand p{color:#b9b4d4;font-size:16px;line-height:1.6;margin:0}
.brand-foot{font-size:13px;color:#8d88ab}

/* ---------- Formulario ---------- */
.panel{
  display:flex;align-items:center;justify-content:center;
  padding:48px 24px;
}
.card{width:100%;max-width:400px}
.logo-tile.card-logo{display:none;margin-bottom:28px}
.card h2{font-size:26px;font-weight:700;letter-spacing:-.01em;margin:0 0 6px}
.card .sub{color:var(--muted);margin:0 0 28px;font-size:15px}

.sso{display:grid;gap:10px}
.btn{
  display:flex;align-items:center;justify-content:center;gap:10px;
  width:100%;height:46px;padding:0 16px;
  font:inherit;font-size:15px;font-weight:600;
  border-radius:var(--radius);cursor:pointer;
  transition:background .15s,border-color .15s,box-shadow .15s,transform .05s;
}
.btn:active{transform:translateY(1px)}
.btn:hover{text-decoration:none}
.btn-sso{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-sso:hover{border-color:#cfcbe0;background:#fbfaff}
.btn-sso svg{width:18px;height:18px;flex:none}

.divider{
  display:flex;align-items:center;gap:14px;
  color:var(--muted);font-size:13px;margin:24px 0;
}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line)}

.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:500;margin-bottom:6px}
.input-wrap{position:relative}
.input-wrap svg.lead{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:#9a96ad;pointer-events:none;
}
.input{
  width:100%;height:46px;
  padding:0 44px 0 42px;
  font:inherit;font-size:15px;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  outline:none;transition:border-color .15s,box-shadow .15s;
}
.input::placeholder{color:#aaa6bd}
.input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(108,73,235,.15)}
.toggle-pass{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:34px;height:34px;display:grid;place-items:center;
  border:0;background:transparent;color:#9a96ad;border-radius:8px;cursor:pointer;
}
.toggle-pass:hover{color:var(--ink);background:var(--bg)}
.toggle-pass svg{width:18px;height:18px}
.caps{display:none;margin-top:6px;font-size:13px;color:#b7791f}
.caps.show{display:block}

.btn-primary{
  margin-top:8px;border:0;color:#fff;
  background:var(--brand);
  box-shadow:0 8px 20px -8px rgba(108,73,235,.6);
}
.btn-primary:hover{background:var(--brand-600)}
.btn-primary:focus-visible,.btn-sso:focus-visible,.toggle-pass:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(108,73,235,.25)}
.btn-primary[disabled]{opacity:.75;cursor:progress}
.spinner{
  width:18px;height:18px;border-radius:50%;
  border:2px solid rgba(255,255,255,.4);border-top-color:#fff;
  animation:spin .7s linear infinite;display:none;
}
.btn-primary.loading .spinner{display:block}
@keyframes spin{to{transform:rotate(360deg)}}

.alert{
  display:none;align-items:flex-start;gap:10px;
  margin-bottom:18px;padding:12px 14px;
  font-size:14px;color:var(--danger);
  background:#fdf0f2;border:1px solid #f6cfd5;border-radius:var(--radius);
}
.alert.show{display:flex}
.alert svg{width:18px;height:18px;flex:none;margin-top:1px}

.join{margin-top:28px;text-align:center;font-size:14px;color:var(--muted)}
.join a{font-weight:600}
.legal{margin-top:20px;text-align:center;font-size:12px;line-height:1.5;color:#9a96ad}
.legal a{color:inherit;text-decoration:underline}
.legal a:hover{color:var(--muted)}
/* reCAPTCHA v3 en modo oculto: Google lo permite si se muestra el aviso con los enlaces (ver .legal) */
.grecaptcha-badge{visibility:hidden !important}

/* ---------- Recuperar / cambiar contraseña ---------- */
.label-row{display:flex;justify-content:space-between;align-items:baseline}
.label-row a{font-size:13px;font-weight:500}
.back{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--muted);margin-bottom:28px}
.back:hover{color:var(--ink);text-decoration:none}
.back svg{width:16px;height:16px}

.alert.ok{color:#17734a;background:#ecf8f1;border-color:#bfe6d0}
.state{text-align:center}
.state .icon{
  width:56px;height:56px;margin:0 auto 20px;border-radius:50%;
  display:grid;place-items:center;background:var(--brand-50);color:var(--brand);
}
.state .icon svg{width:26px;height:26px}
.state .icon.bad{background:#fdf0f2;color:var(--danger)}
.state .sub{margin-bottom:24px}
.state .btn{text-decoration:none}

.rules{list-style:none;margin:10px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:6px 12px;font-size:13px;color:var(--muted)}
.rules li{display:flex;align-items:center;gap:6px}
.rules li::before{
  content:"";width:14px;height:14px;flex:none;border-radius:50%;
  border:1.5px solid #c9c5d9;transition:background .15s,border-color .15s;
}
.rules li.ok{color:#17734a}
.rules li.ok::before{
  border-color:#1f9d63;
  background:#1f9d63 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/9px no-repeat;
}
.meter{height:4px;margin-top:10px;border-radius:4px;background:var(--line);overflow:hidden}
.meter span{display:block;height:100%;width:0;border-radius:4px;background:var(--danger);transition:width .2s,background .2s}
.match{margin-top:6px;font-size:13px;min-height:18px}
.match.bad{color:var(--danger)}
.match.good{color:#17734a}
@media (max-width:420px){.rules{grid-template-columns:1fr}}

@media (max-width:900px){
  .auth{grid-template-columns:1fr}
  .brand{display:none}
  .logo-tile.card-logo{display:block}
  .panel{align-items:flex-start;padding-top:56px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}