/* =========================================================
   REGISTRO - PREMIUM (MOBILE FIRST) | VERDE + BLANCO
   Incluye: Loader global, Modal términos, Card, Inputs, Botones
========================================================= */

/* ===============================
   RESET
=============================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root{
  --bg-1:#e9f7ef;
  --bg-2:#d1f2eb;

  --card:#ffffff;
  --text:#0f172a;
  --muted:#5f6a6a;

  --green:#2ecc71;
  --green-2:#27ae60;
  --green-dark:#1e8449;

  --border:#d5dbdb;
  --shadow: 0 14px 34px rgba(0,0,0,.12);
  --shadow-2: 0 18px 48px rgba(0,0,0,.14);

  --radius:18px;
  --radius-2:14px;

  --focus: 0 0 0 3px rgba(46,204,113,.22);
}

/* ===============================
   BODY / FONDO
=============================== */
body{
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial;
  background: radial-gradient(1200px 800px at 50% 0%, #f6fffb 0%, var(--bg-1) 35%, var(--bg-2) 100%);
  min-height: 100vh;
  color: var(--text);
}

/* ===============================
   UTIL
=============================== */
.hidden{ display:none !important; }
/* ===============================
   LOADER GLOBAL
=============================== */
.loader-wrapper{
  position: fixed;
  inset: 0;
  background: radial-gradient(900px 700px at 50% 10%, #f6fffb 0%, var(--bg-1) 45%, var(--bg-2) 100%);
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap: 22px;                 /* MÁS ESPACIO */
  z-index: 2000;
  padding: 32px;             /* MÁS AIRE */
  text-align:center;
}

.loader-text{
  color: var(--green-dark);
  font-weight: 900;          /* MÁS FUERTE */
  letter-spacing: 1px;       /* MÁS MARCA */
  font-size: 18px;           /* MÁS GRANDE */
  line-height: 1.35;
}

/* TU LOADER (VERDE) */
.loader{
  transform: rotateZ(45deg);
  perspective: 1000px;
  border-radius: 50%;
  width: 72px;               /* MÁS GRANDE */
  height: 72px;              /* MÁS GRANDE */
  color: var(--green);
  position: relative;
  filter: drop-shadow(0 10px 22px rgba(39,174,96,.35)); /* SOMBRA VISIBLE */
}

.loader:before,
.loader:after{
  content:'';
  display:block;
  position:absolute;
  inset: 0;
  border-radius:50%;
  transform: rotateX(70deg);
  animation: 1.4s spin linear infinite; /* MÁS LENTO = PREMIUM */
}

.loader:after{
  transform: rotateY(70deg);
  animation-delay: .4s;
}

/* ===============================
   MOBILE EXTRA (MUY NOTABLE)
=============================== */
@media (max-width: 480px){
  .loader{
    width: 84px;
    height: 84px;
  }

  .loader-text{
    font-size: 19px;
  }
}

/* ===============================
   CONTENEDOR
=============================== */
.registro-container{
  min-height: 100vh;
  padding: 18px;
  display:flex;
  justify-content:center;
  align-items:center;
}

/* ===============================
   TARJETA
=============================== */
.registro-card{
  width: 100%;
  max-width: 460px;
  background: var(--card);
  border-radius: var(--radius);
  padding: 26px 20px 22px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(46,204,113,.10);
  animation: slideUp .35s ease;
}

/* ===============================
   TITULOS
=============================== */
.registro-card h1{
  text-align:center;
  color: var(--green-dark);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: .4px;
}

.subtitle{
  text-align:center;
  color: var(--muted);
  margin-top: 6px;
  margin-bottom: 18px;
  font-size: 14px;
}

/* ===============================
   FORM
=============================== */
#registroForm{
  margin-top: 6px;
}

form input{
  width: 100%;
  padding: 16px 16px;
  font-size: 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #f8fdfb;
  margin-bottom: 12px;
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease, transform .08s ease;
}

form input::placeholder{
  color: rgba(95,106,106,.75);
}

form input:focus{
  outline:none;
  border-color: var(--green);
  background: #ffffff;
  box-shadow: var(--focus);
}

form input:active{
  transform: scale(.995);
}

/* ===============================
   TÉRMINOS
=============================== */
.terms-bar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 10px;
  margin: 8px 0 10px;
}

.terms-check{
  display:flex;
  align-items:center;
  gap: 10px;
  font-size: 14px;
  color: rgba(15,23,42,.80);
}

.terms-check input{
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--green);
}

.terms-link{
  border: none;
  background: transparent;
  color: var(--green-dark);
  font-weight: 800;
  font-size: 14px;
  cursor: pointer;
  padding: 8px 10px;
  border-radius: 12px;
  transition: background .15s ease;
  white-space: nowrap;
}

.terms-link:active{
  background: rgba(46,204,113,.10);
}

/* ===============================
   BOTONES
=============================== */
button{
  width: 100%;
  padding: 16px 16px;
  border: none;
  border-radius: var(--radius-2);
  background: linear-gradient(180deg, var(--green) 0%, var(--green-2) 100%);
  color: #ffffff;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: .4px;
  cursor:pointer;
  box-shadow: 0 10px 22px rgba(39,174,96,.22);
  transition: transform .12s ease, box-shadow .12s ease, filter .12s ease;
}

button:active{
  transform: scale(.98);
  box-shadow: 0 12px 28px rgba(39,174,96,.26);
}

button:disabled{
  opacity: .55;
  cursor:not-allowed;
  box-shadow: none;
}

/* botón secundario en modal */
.btn-secondary{
  margin-top: 10px;
  background: #eef7f1;
  color: var(--green-dark);
  box-shadow: none;
  border: 1px solid rgba(46,204,113,.22);
}

/* ===============================
   LOGIN
=============================== */
.login-link{
  text-align:center;
  margin-top: 16px;
  font-size: 14px;
  color: rgba(15,23,42,.72);
}

.login-link a{
  color: var(--green-dark);
  font-weight: 900;
  text-decoration: none;
}

.login-link a:active{
  opacity: .85;
}

/* ===============================
   MODAL (TÉRMINOS / OTP)
=============================== */
.modal{
  position: fixed;
  inset: 0;
  background: rgba(2, 8, 23, .55);
  display:flex;
  justify-content:center;
  align-items:center;
  z-index: 3000;
  padding: 18px;
}

.modal-box{
  width: 100%;
  max-width: 420px;
  background: #ffffff;
  border-radius: 18px;
  padding: 20px 18px;
  box-shadow: var(--shadow-2);
  border: 1px solid rgba(46,204,113,.14);
  text-align: left;
  animation: pop .18s ease;
}

.modal-box h3{
  color: var(--green-dark);
  font-weight: 900;
  font-size: 18px;
  margin-bottom: 10px;
}

.modal-box p{
  color: rgba(15,23,42,.78);
  font-size: 14px;
  line-height: 1.45;
}

/* ===============================
   ANIMACIONES
=============================== */
@keyframes slideUp{
  from{ transform: translateY(10px); opacity: 0; }
  to{ transform: translateY(0); opacity: 1; }
}

@keyframes pop{
  from{ transform: scale(.98); opacity: .0; }
  to{ transform: scale(1); opacity: 1; }
}

@keyframes spin{
  0%,100% { box-shadow: .2em 0px 0 0px currentcolor; }
  12% { box-shadow: .2em .2em 0 0 currentcolor; }
  25% { box-shadow: 0 .2em 0 0px currentcolor; }
  37% { box-shadow: -.2em .2em 0 0 currentcolor; }
  50% { box-shadow: -.2em 0 0 0 currentcolor; }
  62% { box-shadow: -.2em -.2em 0 0 currentcolor; }
  75% { box-shadow: 0px -.2em 0 0 currentcolor; }
  87% { box-shadow: .2em -.2em 0 0 currentcolor; }
}

/* =========================================================
   RESPONSIVE (MEJORAS TABLET / DESKTOP)
========================================================= */
@media (min-width: 480px){
  .registro-card{
    padding: 30px 26px 24px;
  }
  .registro-card h1{
    font-size: 26px;
  }
}

@media (min-width: 768px){
  body{
    background: radial-gradient(1200px 900px at 50% -10%, #ffffff 0%, var(--bg-1) 35%, var(--bg-2) 100%);
  }

  .registro-container{
    padding: 26px;
  }

  .registro-card{
    max-width: 520px;
    padding: 34px 30px 28px;
  }

  .subtitle{
    font-size: 15px;
    margin-bottom: 22px;
  }

  form input{
    padding: 17px 16px;
  }

  button{
    padding: 17px 16px;
  }

  .modal-box{
    padding: 26px 24px;
  }
}

@media (min-width: 1024px){
  .registro-card{
    max-width: 560px;
  }
}
/* ===============================
   ADMIN ACCESS (FIX DEFINITIVO)
=============================== */
.admin-access{
  width: 100%;
  display:flex;
  justify-content:center;
  align-items:center;
  margin-top: 18px;
  text-align: center;          /* FUERZA CENTRO */
}

.admin-access a{
  display:inline-flex;         /* CLAVE */
  align-items:center;
  justify-content:center;
  gap: 6px;
  padding: 12px 22px;
  margin: 0 auto;              /* CLAVE */
  font-size: 15px;
  font-weight: 700;
  color: var(--green-dark);
  background: rgba(46,204,113,.10);
  border-radius: 18px;
  text-decoration: none;
  line-height: 1.1;
}

/* MOBILE */
@media (max-width: 480px){
  .admin-access{
    margin-top: 20px;
  }

  .admin-access a{
    font-size: 16px;
    padding: 14px 26px;
  }
}