/* ═══════════════════════════════════════════════════════════════════════
   ATLAS · Login y registro
   Usa los mismos tokens de style.css: la marca se cambia en un solo sitio.
   ═══════════════════════════════════════════════════════════════════════ */

.auth{position:relative;z-index:2;min-height:100dvh;display:grid;
  grid-template-columns:1fr .92fr;align-items:start}

/* ── Columna del formulario ───────────────────────────────────────── */
.auth__main{display:flex;flex-direction:column;padding:clamp(1.5rem,3vw,2.2rem)}
.auth__top{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:auto}
.auth__back{display:inline-flex;align-items:center;gap:.4rem;font-size:.86rem;font-weight:600;
  color:var(--t3);padding:.5rem .8rem;border-radius:99px;transition:.28s var(--e)}
.auth__back svg{width:15px;height:15px}
.auth__back:hover{color:var(--t1);background:var(--ink-2)}

.auth__box{width:min(100%,440px);margin:clamp(2rem,5vh,3.4rem) auto;padding-bottom:1rem}
.auth__eyebrow{display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.16em;
  text-transform:uppercase;color:var(--tint);margin-bottom:.9rem}
.auth__box h1{font-family:var(--display);font-weight:800;letter-spacing:-.035em;line-height:1.08;
  font-size:clamp(1.9rem,3.4vw,2.5rem);margin-bottom:.6rem;text-wrap:balance}
.auth__box>p{color:var(--t2);font-size:.98rem;margin-bottom:2rem;text-wrap:pretty}

/* ── Pasos del registro ───────────────────────────────────────────── */
.steps{display:flex;align-items:center;gap:.5rem;margin-bottom:1.8rem}
.steps li{display:flex;align-items:center;gap:.5rem;font-size:.78rem;font-weight:600;
  color:var(--t3);white-space:nowrap}
.steps li::after{content:'';width:22px;height:1px;background:var(--line-2);flex:none}
.steps li:last-child::after{display:none}
.steps b{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;flex:none;
  font-family:var(--display);font-size:.68rem;font-weight:800;
  background:var(--ink-2);border:1px solid var(--line-2);color:var(--t3)}
.steps .on{color:var(--t1)}
.steps .on b{background:var(--g);border-color:transparent;color:var(--on-brand)}

/* ── Campos ───────────────────────────────────────────────────────── */
.form{display:flex;flex-direction:column;gap:1.1rem}
.row{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.field{display:flex;flex-direction:column;gap:.45rem}
.field>label{font-size:.82rem;font-weight:700;color:var(--t2)}
.field__box{position:relative;display:flex;align-items:center;border-radius:14px;
  background:var(--ink);border:1px solid var(--line-2);
  transition:border-color .28s,background .28s,box-shadow .28s}
.field__box:focus-within{border-color:var(--b3);background:rgba(var(--b2-rgb),.07);
  box-shadow:0 0 0 4px rgba(var(--b2-rgb),.14)}
.field__box>svg{width:18px;height:18px;margin-left:.95rem;color:var(--t3);flex:none;
  transition:color .28s}
.field__box:focus-within>svg{color:var(--b3)}
.field__box input,.field__box select{flex:1;min-width:0;padding:.92rem .95rem;background:none;
  border:0;outline:none;font-size:.96rem;color:var(--t1)}
.field__box input::placeholder{color:var(--t3)}
.field__box input:-webkit-autofill{-webkit-text-fill-color:var(--t1);
  -webkit-box-shadow:0 0 0 40px #0b2033 inset;caret-color:var(--t1)}
.field__pre{padding-left:.95rem;font-size:.94rem;font-weight:600;color:var(--t2);
  border-right:1px solid var(--line);padding-right:.7rem;margin-right:-.2rem}
.peek{display:grid;place-items:center;width:40px;height:40px;margin-right:.3rem;border-radius:10px;
  color:var(--t3);flex:none;transition:.25s}
.peek:hover{color:var(--t1);background:var(--ink-2)}
.peek svg{width:18px;height:18px}
.peek .off{display:none}
.peek[aria-pressed="true"] .on{display:none}
.peek[aria-pressed="true"] .off{display:block}

.field.bad .field__box{border-color:#FF8A8A;background:rgba(255,138,138,.06)}
.field.bad .field__box:focus-within{box-shadow:0 0 0 4px rgba(255,138,138,.14)}
.field__err{font-size:.78rem;color:#FF8A8A;min-height:0;display:none}
.field.bad .field__err{display:block}

/* Fuerza de la clave */
.meter{display:flex;gap:4px;margin-top:.15rem}
.meter i{flex:1;height:3px;border-radius:99px;background:var(--line-2);transition:background .3s}
.meter.s1 i:nth-child(-n+1){background:#FF8A8A}
.meter.s2 i:nth-child(-n+2){background:#FFC46B}
.meter.s3 i:nth-child(-n+3){background:var(--b2)}
.meter.s4 i{background:var(--b3)}
.meter__lbl{font-size:.76rem;color:var(--t3);margin-top:.3rem}

.check{display:flex;align-items:flex-start;gap:.65rem;font-size:.86rem;color:var(--t2);
  cursor:pointer;line-height:1.5}
.check input{position:absolute;opacity:0;width:0;height:0}
.check i{position:relative;width:20px;height:20px;border-radius:6px;flex:none;margin-top:1px;
  background:var(--ink);border:1px solid var(--line-2);transition:.25s var(--e)}
.check input:checked+i{background:var(--g);border-color:transparent}
.check input:checked+i::after{content:'';position:absolute;left:6.5px;top:3px;width:5px;height:9px;
  border:solid var(--on-brand);border-width:0 2px 2px 0;rotate:45deg}
.check input:focus-visible+i{outline:2px solid var(--b3);outline-offset:2px}
.check>span{text-wrap:pretty}
.check a{color:var(--tint);text-decoration:underline;text-underline-offset:2px}

.form__aside{display:flex;align-items:center;justify-content:space-between;gap:1rem;
  font-size:.86rem;margin-top:-.3rem}
.form__aside a{color:var(--tint);font-weight:600}
.form__aside a:hover{text-decoration:underline}

.auth .btn{width:100%}
.auth__msg{min-height:1.3rem;font-size:.88rem;font-weight:600;color:var(--b3);text-align:center}
.auth__msg.err{color:#FF8A8A}

.sep{display:flex;align-items:center;gap:1rem;color:var(--t3);font-size:.78rem;margin:.3rem 0}
.sep::before,.sep::after{content:'';flex:1;height:1px;background:var(--line)}

.alt{display:grid;grid-template-columns:1fr 1fr;gap:.7rem}
.alt a{display:flex;align-items:center;justify-content:center;gap:.55rem;padding:.8rem;
  border-radius:14px;font-size:.9rem;font-weight:700;color:var(--t2);
  background:var(--ink);border:1px solid var(--line-2);transition:.3s var(--e)}
.alt a:hover{color:var(--t1);border-color:rgba(var(--b2-rgb),.5);background:rgba(var(--b2-rgb),.1);
  transform:translateY(-2px)}
.alt svg{width:18px;height:18px}

.swap{text-align:center;font-size:.92rem;color:var(--t2);margin-top:1.6rem}
.swap a{color:var(--tint);font-weight:700}
.swap a:hover{text-decoration:underline}

.auth__legal{font-size:.76rem;color:var(--t3);text-align:center;margin-top:auto;padding-top:2rem}

/* ── Panel de marca ───────────────────────────────────────────────── */
/* El panel se queda pegado al viewport. Sin esto su contenido se centra
   dentro de una columna tan alta como el formulario, y al abrir la página
   quedaba por debajo del fold: el panel se veía vacío. */
.auth__side{position:sticky;top:0;align-self:start;height:100dvh;
  overflow:hidden;display:flex;flex-direction:column;justify-content:center;
  gap:clamp(1.2rem,2.4vw,2rem);padding:clamp(1.8rem,3.4vw,3rem);
  border-left:1px solid var(--line);
  /* Fondo profundo y neutro: con el degradado de marca la tarjeta se
     confundía con el panel y perdía todo el relieve. */
  background:
    radial-gradient(120% 95% at 78% 4%,rgba(var(--b1-rgb),.5),transparent 62%),
    radial-gradient(90% 70% at 10% 100%,rgba(var(--b2-rgb),.28),transparent 66%),
    var(--navy)}
.auth__side::before{content:'';position:absolute;width:62%;aspect-ratio:1;border-radius:50%;
  top:-16%;right:-20%;filter:blur(80px);
  background:radial-gradient(circle,rgba(var(--b3-rgb),.22),transparent 66%)}
.auth__side>*{position:relative}

.side__quote{font-family:var(--display);font-weight:700;letter-spacing:-.03em;line-height:1.24;
  font-size:clamp(1.4rem,2.3vw,1.95rem);text-wrap:balance}
.side__by{display:flex;align-items:center;gap:.7rem;margin-top:1.1rem}
.side__by span{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;flex:none;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);font-weight:800}
.side__by b{display:block;font-size:.92rem}
.side__by em{font-style:normal;font-size:.8rem;color:var(--t2)}

.side__list{display:flex;flex-direction:column;gap:1rem}
.side__list li{display:flex;gap:.85rem;align-items:flex-start}
.side__list i{position:relative;width:22px;height:22px;border-radius:7px;flex:none;margin-top:2px;
  background:rgba(var(--b3-rgb),.18);border:1px solid rgba(var(--b3-rgb),.4)}
.side__list i::after{content:'';position:absolute;left:7px;top:4px;width:4px;height:8px;
  border:solid var(--b3);border-width:0 2px 2px 0;rotate:45deg}
.side__list b{display:block;font-size:.96rem;font-weight:700}
.side__list span{font-size:.87rem;color:var(--t2)}

.side__stats{display:flex;gap:2rem;padding-top:1.6rem;border-top:1px solid rgba(255,255,255,.14)}
.side__stats b{display:block;font-family:var(--display);font-size:1.7rem;font-weight:800;
  letter-spacing:-.04em;line-height:1.1}
.side__stats span{font-size:.8rem;color:var(--t2)}

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width:940px){
  .auth{grid-template-columns:1fr;min-height:0}
  /* El panel iba primero y empujaba el formulario fuera de la pantalla.
     En un alta, la acción manda: el panel pasa a ser el refuerzo de abajo. */
  .auth__side{border-left:0;border-top:1px solid var(--line);gap:1.4rem}
  .auth__side .side__quote{font-size:1.3rem}
  .auth__box{margin-block:2rem}
  .auth__legal{padding-top:2rem;padding-bottom:.5rem}
}
@media (max-width:520px){
  .row,.alt{grid-template-columns:1fr}
  .side__stats{gap:1.4rem}
  /* Las etiquetas se partían en dos líneas y el indicador perdía la forma */
  .steps{gap:.35rem}
  .steps li{font-size:.72rem;gap:.35rem}
  .steps li::after{width:12px}
}


/* ── Tarjeta en vivo ────────────────────────────────────────────────
   Reacciona a lo que se escribe en el formulario y se inclina siguiendo
   al puntero, con el brillo moviéndose con él. */
.preview{display:flex;flex-direction:column;gap:1rem;perspective:1100px}
.preview__lbl{font-size:.7rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(255,255,255,.5)}

/* Hereda todo el tratamiento físico de .acard en style.css: aquí solo
   cambia el tamaño y de dónde salen --rx/--ry (del puntero, no de un
   vaivén). La transición va sobre las variables, así el giro, el reflejo,
   el canto y la sombra se mueven juntos. */
.acard--live{width:min(100%,340px);border-radius:13px;padding:1.3rem 1.4rem;gap:.4rem;
  transition:--rx .5s var(--glide),--ry .5s var(--glide)}
.acard--live .acard__top{font-size:1rem;gap:.5rem}
.acard--live .acard__chip{width:44px;height:32px;border-radius:6px;margin-top:.5rem}
.acard--live .acard__no{font-size:.94rem;letter-spacing:.08em}
.acard--live .acard__no b{color:#fff}
.acard--live .acard__bot{font-size:.66rem;letter-spacing:.12em}
.acard--live .acard__bot span{transition:color .3s}
.acard--live.named .acard__bot span{color:#fff}
.acard--live .acard__bot b{color:var(--b3)}
/* Halo que sigue al puntero, encima del reflejo propio de la tarjeta */
.acard__gloss{position:absolute;inset:0;z-index:3;pointer-events:none;opacity:0;
  transition:opacity .4s;mix-blend-mode:screen;
  background:radial-gradient(300px circle at var(--gx,50%) var(--gy,50%),
    rgba(255,255,255,.16),transparent 62%)}
.acard--live.lit .acard__gloss{opacity:1}

/* Campos que ya están listos */
.ready{display:flex;flex-wrap:wrap;gap:.45rem}
.ready li{display:flex;align-items:center;gap:.4rem;padding:.32rem .7rem;border-radius:99px;
  font-size:.74rem;font-weight:600;color:rgba(255,255,255,.55);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  transition:.4s var(--spring,cubic-bezier(.22,1,.36,1))}
.ready i{position:relative;width:13px;height:13px;border-radius:50%;flex:none;
  border:1.5px solid rgba(255,255,255,.35);transition:.3s}
.ready .ok{color:#fff;background:rgba(var(--b3-rgb),.18);border-color:rgba(var(--b3-rgb),.5)}
.ready .ok i{background:var(--b3);border-color:transparent}
.ready .ok i::after{content:'';position:absolute;left:4px;top:1.5px;width:3px;height:6px;
  border:solid var(--on-brand);border-width:0 1.6px 1.6px 0;rotate:45deg}

.side__list--tight{gap:.8rem}
.side__list--tight span{font-size:.83rem}

@media (max-width:940px){
  .auth__side{position:static;height:auto;padding-block:2.4rem}
  .acard--live{margin-inline:auto}
  .preview__lbl{text-align:center}
  .ready{justify-content:center}
}