/* Meritus — pantallas de acceso (ingresar, registro, recuperar, restablecer, bienvenida).
   Estética de misión con los colores del logo: azul marino, horizonte planetario,
   mayúsculas espaciadas, esquinas rectas y degradado índigo → azul → cian. */
:root{
  --t1:rgba(255,255,255,.94); --t2:rgba(255,255,255,.66); --t3:rgba(255,255,255,.44);
  --l1:rgba(255,255,255,.12); --l2:rgba(255,255,255,.26);
  --field:rgba(255,255,255,.04);
  --cyan:#22d3ee; --blue:#3b82f6; --indigo:#5b4cf5; --red:#f87171;
  --navy:#05051a;
  --grad:linear-gradient(100deg,#5b4cf5 0%,#3b82f6 52%,#22d3ee 100%);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{min-height:100%}
body{background:var(--navy);color:var(--t1);font:400 16px/1.55 Barlow,"Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,svg{display:block}
button{font:inherit;cursor:pointer}
[hidden]{display:none!important}
.caps{text-transform:uppercase;letter-spacing:.2em;font-size:12px;font-weight:500}

/* ---------- Escena ---------- */
.sky{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;background:radial-gradient(70% 55% at 80% 8%,rgba(91,76,245,.28),transparent 70%),radial-gradient(60% 50% at 10% 30%,rgba(34,211,238,.10),transparent 70%),var(--navy)}
#stars{position:absolute;inset:0;width:100%;height:100%}
.halo,.planet,.flare{--x:38%;--y:74vh}
.halo{position:absolute;left:var(--x);top:calc(var(--y) - 50vh);width:150vw;height:100vh;margin-left:-75vw;
  background:radial-gradient(50% 50% at 50% 50%,rgba(59,130,246,.42) 0%,rgba(91,76,245,.24) 38%,rgba(91,76,245,.08) 62%,transparent 100%);
  animation:rise 2.6s cubic-bezier(.16,.84,.24,1) both}
.planet{position:absolute;left:var(--x);top:var(--y);width:260vmax;height:260vmax;margin-left:-130vmax;border-radius:50%;
  background:radial-gradient(circle at 50% 0%,#141a4a 0%,#0a0b2e 7%,#05051a 22%,#03030f 40%);
  box-shadow:0 0 0 1px rgba(125,211,252,.7),0 -4px 20px rgba(34,211,238,.55),0 -24px 60px rgba(59,130,246,.35);
  animation:rise 2.6s cubic-bezier(.16,.84,.24,1) both}
.planet::before{content:"";position:absolute;inset:-2px;border-radius:50%;background:radial-gradient(circle at 50% 0%,rgba(34,211,238,.28),rgba(91,76,245,.12) 4%,transparent 8%)}
.flare{position:absolute;left:var(--x);top:var(--y);width:600px;height:150px;margin:-75px 0 0 -300px;border-radius:50%;
  background:radial-gradient(ellipse at center,rgba(255,255,255,.95) 0,rgba(34,211,238,.6) 7%,rgba(59,130,246,.35) 22%,rgba(91,76,245,.22) 38%,transparent 64%);
  filter:blur(2px);mix-blend-mode:screen;animation:rise 2.6s cubic-bezier(.16,.84,.24,1) both,glow 7s ease-in-out 2.6s infinite}
@keyframes rise{from{transform:translateY(9vh);opacity:0}to{transform:none;opacity:1}}
@keyframes glow{50%{opacity:.75}}
.vignette{position:absolute;inset:0;background:radial-gradient(120% 90% at 40% 40%,transparent 45%,rgba(3,3,15,.75) 100%)}

/* ---------- Composición ---------- */
.auth{position:relative;z-index:1;width:100%;max-width:1480px;min-height:100vh;margin:0 auto;padding:0 clamp(24px,4.5vw,80px);
  display:grid;grid-template-columns:minmax(0,1fr) minmax(400px,470px);grid-template-rows:auto 1fr auto;column-gap:clamp(48px,7vw,128px)}
.bar{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;padding:clamp(24px,3.4vh,40px) 0}
.bar .logo img{height:clamp(26px,2vw,32px);width:auto}
.back{display:flex;align-items:center;gap:10px;color:var(--t2);transition:color .2s}
.back:hover{color:#fff}
.back svg{width:15px;height:15px}

.mission{grid-column:1;grid-row:2;align-self:center;padding-bottom:16vh;max-width:720px}
.mission .caps{display:flex;align-items:center;gap:16px;color:var(--cyan);margin-bottom:26px}
.mission .caps::before{content:"";width:32px;height:2px;background:var(--grad)}
.mission h2{font-weight:600;font-size:clamp(46px,5.4vw,96px);line-height:.98;text-transform:uppercase;letter-spacing:.004em;color:#fff}
.mission h2 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.mission p{margin-top:24px;max-width:460px;color:var(--t2);font-size:clamp(16px,1.15vw,19px);line-height:1.5}

.stats{grid-column:1;grid-row:3;display:grid;grid-template-columns:repeat(3,minmax(0,190px));gap:0 40px;padding:0 0 clamp(28px,4.5vh,52px)}
.stat i{display:block;height:2px;background:linear-gradient(90deg,#5b4cf5,#22d3ee 60%,transparent);margin-bottom:16px}
.stat b{display:block;font-weight:600;font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:#fff}
.stat span{display:block;margin-top:6px;color:var(--t3);font-size:12px;letter-spacing:.16em;text-transform:uppercase}

/* Tarjeta de vidrio */
.panel-wrap{grid-column:2;grid-row:2/span 2;align-self:center;padding:8px 0 40px}
.glass{position:relative;padding:clamp(32px,3vw,48px) clamp(28px,2.8vw,44px);background:linear-gradient(180deg,rgba(17,17,52,.72),rgba(8,8,30,.78));border:1px solid rgba(255,255,255,.1);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);box-shadow:0 40px 100px -30px rgba(0,0,0,.8),0 0 0 1px rgba(91,76,245,.12) inset}
.glass::before{content:"";position:absolute;left:-1px;right:-1px;top:-1px;height:2px;background:var(--grad)}
.glass .caps.kick{display:inline-block;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:14px}
.glass h1{font-weight:600;font-size:clamp(30px,2.4vw,40px);line-height:1.04;text-transform:uppercase;letter-spacing:.01em;color:#fff;margin-bottom:12px}
.sub{color:var(--t2);font-size:16px;margin-bottom:30px}
.sub a,.inline-link{color:#fff;border-bottom:1px solid var(--l2);padding-bottom:1px;transition:border-color .2s}
.sub a:hover{border-color:var(--cyan)}
.legal{margin-top:22px;color:var(--t3);font-size:11px;letter-spacing:.18em;text-transform:uppercase;text-align:center}

/* Google */
.btn-google{position:relative;display:flex;align-items:center;justify-content:center;gap:14px;width:100%;height:54px;border:1px solid var(--l2);border-radius:0;background:rgba(255,255,255,.05);color:#fff;font-weight:500;font-size:16px;letter-spacing:.01em;transition:background .2s,border-color .2s}
.btn-google .g{width:20px;height:20px}
.btn-apple{position:relative;display:flex;align-items:center;justify-content:center;gap:12px;width:100%;height:54px;margin-bottom:12px;border:0;border-radius:0;background:#fff;color:#000;font-weight:600;font-size:16px;letter-spacing:.01em}
.btn-apple[hidden]{display:none}
.btn-apple .a{width:19px;height:19px;margin-top:-2px}
.btn-apple.loading span,.btn-apple.loading .a{visibility:hidden}
.btn-apple.loading::after{content:"";position:absolute;width:18px;height:18px;border:2px solid rgba(0,0,0,.2);border-top-color:#000;border-radius:50%;animation:spin .7s linear infinite}
.btn-google:hover:not(:disabled){background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5)}
.btn-google:disabled:not(.loading){opacity:.55;cursor:default}
.btn-google.loading span,.btn-google.loading .g{visibility:hidden}
.btn-google.loading::after{content:"";position:absolute;width:18px;height:18px;border:2px solid rgba(255,255,255,.25);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
.divider{display:flex;align-items:center;gap:16px;margin:26px 0;color:var(--t3);text-transform:uppercase;letter-spacing:.2em;font-size:11px}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--l1)}

/* Campos */
form{display:grid;gap:20px}
.field{display:grid;gap:9px}
.field > span{display:flex;justify-content:space-between;align-items:baseline;text-transform:uppercase;letter-spacing:.18em;font-size:12px;font-weight:500;color:var(--t2)}
.field > span a{letter-spacing:.02em;text-transform:none;font-size:14px;color:var(--t2);border-bottom:1px solid transparent}
.field > span a:hover{color:#fff;border-color:var(--l2)}
.field input[type=text],.field input[type=email],.field input[type=password]{width:100%;height:54px;padding:0 18px;border:1px solid var(--l1);border-radius:0;background:var(--field);color:#fff;font:inherit;font-size:17px;transition:border-color .2s,background .2s,box-shadow .2s}
.field input::placeholder{color:var(--t3)}
.field input:hover{border-color:var(--l2)}
.field input:focus{outline:0;border-color:var(--cyan);background:rgba(34,211,238,.05);box-shadow:0 0 0 3px rgba(34,211,238,.12)}
.field input:-webkit-autofill{-webkit-text-fill-color:#fff;-webkit-box-shadow:0 0 0 100px #0e0e2c inset;caret-color:#fff}
.field.bad input{border-color:var(--red)}
.pw{position:relative}
.pw input{padding-right:54px!important}
.eye{position:absolute;right:1px;top:1px;width:52px;height:52px;border:0;background:none;color:var(--t3);display:grid;place-items:center;transition:color .2s}
.eye:hover{color:#fff}
.eye svg{width:19px;height:19px}
.eye .off,.eye.on .on{display:none}
.eye.on .off{display:block}
.strength{display:flex;align-items:center;gap:6px;margin-top:2px}
.strength i{flex:1;height:2px;background:var(--l1);transition:background .25s}
.strength small{width:84px;text-align:right;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--t3)}
.strength[data-n="1"] i:nth-child(-n+1){background:var(--red)}
.strength[data-n="2"] i:nth-child(-n+2){background:#fbbf24}
.strength[data-n="3"] i:nth-child(-n+3){background:var(--blue)}
.strength[data-n="4"] i:nth-child(-n+4){background:var(--grad)}
.check{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--t2);cursor:pointer;line-height:1.5}
.check input{appearance:none;-webkit-appearance:none;width:19px;height:19px;margin-top:2px;border:1px solid var(--l2);background:transparent;flex:none;display:grid;place-items:center;cursor:pointer}
.check a{color:#fff;border-bottom:1px solid var(--l2)}
.check input:checked{background:var(--grad);border-color:transparent}
.check input:checked::after{content:"";width:9px;height:5px;border:solid #fff;border-width:0 0 2px 2px;transform:rotate(-45deg) translate(1px,-1px)}
.check input:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.check.bad{color:var(--red)}
.check.bad input{border-color:var(--red)}

/* Rol */
.roles{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px}
.role{position:relative;display:block;cursor:pointer}
.role input{position:absolute;opacity:0;pointer-events:none}
.role div{height:100%;border:1px solid var(--l1);padding:18px;background:rgba(255,255,255,.02);transition:border-color .2s,background .2s}
.role svg{width:22px;height:22px;color:var(--t3);margin-bottom:14px;transition:color .2s}
.role b{display:block;text-transform:uppercase;letter-spacing:.16em;font-size:13px;font-weight:600;color:#fff;margin-bottom:6px}
.role small{display:block;color:var(--t3);font-size:13.5px;line-height:1.45}
.role:hover div{border-color:var(--l2)}
.role input:checked + div{border-color:var(--cyan);background:linear-gradient(135deg,rgba(91,76,245,.2),rgba(34,211,238,.08))}
.role input:checked + div svg{color:var(--cyan)}
.role input:focus-visible + div{outline:2px solid var(--cyan);outline-offset:2px}
.roles.bad .role div{border-color:var(--red)}

/* Botón principal */
.btn{position:relative;overflow:hidden;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;gap:12px;width:100%;height:56px;padding:0 24px;border:0;border-radius:0;background:var(--grad);color:#fff;font-weight:600;font-size:14px;letter-spacing:.22em;text-transform:uppercase;box-shadow:0 12px 34px -12px rgba(59,130,246,.85);transition:box-shadow .3s}
.btn::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,#6d5cff,#4f9bff 52%,#5ee6f7);opacity:0;transition:opacity .3s}
.btn:hover{box-shadow:0 16px 44px -10px rgba(34,211,238,.7)}
.btn:hover::before{opacity:1}
.btn:disabled{cursor:default}
.btn svg{width:17px;height:17px;transition:transform .25s}
.btn:hover svg{transform:translateX(4px)}
.btn.loading span,.btn.loading svg{visibility:hidden}
.btn.loading::after{content:"";position:absolute;width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.btn-line{background:transparent;color:#fff;border:1px solid var(--l2);box-shadow:none}
.btn-line::before{display:none}
.btn-line:hover{border-color:var(--cyan);box-shadow:none}

/* Mensajes */
.alert{padding:13px 16px;border:1px solid rgba(248,113,113,.4);background:rgba(248,113,113,.08);color:#fecaca;font-size:14.5px;margin-bottom:18px}
.alert.ok{border-color:rgba(52,211,153,.4);background:rgba(52,211,153,.08);color:#a7f3d0}
.done{text-align:center}
.done .ic{width:58px;height:58px;margin:0 auto 24px;border:1px solid rgba(34,211,238,.45);background:rgba(34,211,238,.06);display:grid;place-items:center;color:var(--cyan)}
.done .ic svg{width:24px;height:24px}
.done h1{margin-bottom:12px}
.done p{color:var(--t2);margin-bottom:28px}
.done p b{color:#fff;font-weight:500}

/* Entrada escalonada */
.glass > *{animation:up .9s cubic-bezier(.16,.84,.24,1) both}
.glass > *:nth-child(2){animation-delay:.06s}.glass > *:nth-child(3){animation-delay:.12s}
.glass > *:nth-child(4){animation-delay:.18s}.glass > *:nth-child(5){animation-delay:.24s}
.glass > *:nth-child(n+6){animation-delay:.3s}
.mission > *{animation:up 1.2s cubic-bezier(.16,.84,.24,1) .3s both}
.mission h2{animation-delay:.42s}.mission p{animation-delay:.54s}
@keyframes up{from{opacity:0;transform:translateY(16px)}}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:0 24px}
  .stat span{letter-spacing:.1em}
}
@media (max-width:960px){
  .auth{grid-template-columns:1fr;grid-template-rows:auto auto;align-content:start;padding:0 20px}
  .mission,.stats{display:none}
  .panel-wrap{grid-column:1;grid-row:2;align-self:start;width:100%;max-width:480px;margin:0 auto;padding:12px 0 36px}
  .halo,.planet,.flare{--x:50%;--y:90vh}
  .vignette{background:radial-gradient(120% 80% at 50% 30%,transparent 40%,rgba(3,3,15,.8) 100%)}
}
@media (max-width:520px){
  .bar{padding:18px 0}
  .bar .logo img{height:24px}
  .back span{display:none}
  .glass{padding:0;background:none;border:0;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}
  .glass::before{display:none}
  .glass h1{font-size:28px}
  .panel-wrap{padding-top:20px}
  .role div{padding:14px}
  .role small{display:none}
  .role svg{margin-bottom:10px}
  .legal{font-size:10px}
}
/* Celulares: el acceso ocupa la pantalla de arriba abajo. El formulario queda
   centrado entre el logo y la nota legal, y los espacios crecen con el alto
   visible, así se ve ordenado tanto en un iPhone SE como en uno grande. */
@media (max-width:520px){
  /* La página y el cielo llegan hasta abajo, por detrás de la barra de Safari
     (como getnexor); el formulario queda en la parte visible: el relleno
     inferior es justo lo que tapa la barra (100lvh - 100svh). */
  /* Safari no pinta los fondos fijos detrás de su barra: en el celular el
     cielo es parte de la página y cubre todo su alto. El horizonte queda
     entre la nota legal y la barra, completo y visible. */
  body{position:relative}
  .sky{position:absolute;bottom:auto;height:100%}
  .halo,.planet,.flare{--y:calc(100% - 6px);--y:calc(100% - (100lvh - 100svh) - 6px)}
  .auth{display:flex;flex-direction:column;min-height:100vh;min-height:100lvh;padding-bottom:calc(100lvh - 100svh)}
  .bar{flex:none;padding:clamp(12px,2.6vh,22px) 0}
  .bar .logo img{height:clamp(22px,3.4vh,26px)}
  .panel-wrap{flex:1;display:flex;flex-direction:column;padding:clamp(4px,1.5vh,16px) 0 clamp(12px,2.5vh,24px)}
  .glass{margin:auto 0}
  .glass .caps.kick{margin-bottom:clamp(8px,1.6vh,14px)}
  .glass h1{font-size:clamp(24px,4.4vh,30px);margin-bottom:clamp(8px,1.4vh,12px)}
  .sub{font-size:clamp(15px,2.4vh,16px);margin-bottom:clamp(18px,3.6vh,32px)}
  .btn-google,.btn-apple{height:clamp(48px,7.6vh,56px)}
  .divider{margin:clamp(14px,3vh,28px) 0}
  form{gap:clamp(12px,2.4vh,22px)}
  .field{gap:clamp(6px,1.2vh,10px)}
  .field input[type=text],.field input[type=email],.field input[type=password]{height:clamp(48px,7.6vh,56px)}
  .btn{height:clamp(50px,8vh,58px)}
  .legal{flex:none;margin-top:clamp(14px,2.5vh,24px)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}