:root{
  --primary:#7c3aed;
  --secondary:#2563eb;
  --success:#22c55e;
  --danger:#ef4444;
  --glass:rgba(255,255,255,.08);
  --border:rgba(255,255,255,.12);
}

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:Inter,Segoe UI,sans-serif;
}

body{
  min-height:100vh;
  display:flex;
  justify-content:center;
  align-items:center;
  padding:20px;
  overflow:hidden;
  color:white;

  background:
  radial-gradient(circle at top left,#7c3aed55,transparent 35%),
  radial-gradient(circle at bottom right,#2563eb55,transparent 35%),
  #050816;
}

/* FONDO ANIMADO */

body::before{
  content:"";
  position:fixed;
  inset:-50%;

  background:
  linear-gradient(
    130deg,
    rgba(124,58,237,.15),
    rgba(37,99,235,.15),
    rgba(236,72,153,.15)
  );

  animation:bgMove 18s linear infinite;
}

@keyframes bgMove{
  from{
    transform:rotate(0deg);
  }
  to{
    transform:rotate(360deg);
  }
}

/* CARD */

.card{
  position:relative;
  z-index:10;

  width:100%;
  max-width:520px;

  padding:35px;

  border-radius:30px;

  background:var(--glass);

  backdrop-filter:blur(25px);

  border:1px solid var(--border);

  box-shadow:
  0 25px 60px rgba(0,0,0,.45);

  animation:show .5s ease;
}

@keyframes show{
  from{
    opacity:0;
    transform:translateY(20px);
  }
  to{
    opacity:1;
    transform:translateY(0);
  }
}

/* HEADER */

.logo{
  width:80px;
  height:80px;

  margin:auto auto 15px;

  border-radius:50%;

  display:flex;
  align-items:center;
  justify-content:center;

  font-size:34px;

  background:
  linear-gradient(
    135deg,
    #7c3aed,
    #2563eb
  );

  box-shadow:
  0 0 30px rgba(124,58,237,.5);
}

h2{
  text-align:center;
  font-size:30px;
  margin-bottom:8px;
}

.sub{
  text-align:center;
  color:#cbd5e1;
  margin-bottom:25px;
  font-size:14px;
}

/* INPUTS */

.input{
  width:100%;

  padding:15px;

  margin-top:12px;

  border-radius:15px;

  border:1px solid rgba(255,255,255,.1);

  background:
  rgba(255,255,255,.05);

  color:white;

  outline:none;

  transition:.3s;
}

.input::placeholder{
  color:#94a3b8;
}

.input:focus{
  border-color:#8b5cf6;

  box-shadow:
  0 0 0 4px rgba(139,92,246,.15);
}

textarea{
  min-height:120px;
  resize:none;
}

/* SUBIDA */

.file{
  margin-top:15px;

  border:2px dashed rgba(255,255,255,.15);

  border-radius:18px;

  padding:25px;

  text-align:center;

  cursor:pointer;

  transition:.3s;
}

.file:hover{
  background:rgba(255,255,255,.05);
  border-color:#8b5cf6;
}

.file i{
  font-size:28px;
  margin-bottom:10px;
  display:block;
}

/* PREVIEW */

.preview{
  margin-top:15px;
}

.preview img{
  width:100%;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.1);
}

/* STATUS */

.status{
  margin-top:15px;

  padding:12px;

  border-radius:12px;

  text-align:center;

  font-size:13px;

  background:rgba(34,197,94,.15);

  border:1px solid rgba(34,197,94,.2);
}

/* BOTON */

.btn{
  width:100%;

  margin-top:20px;

  padding:16px;

  border:none;

  border-radius:16px;

  cursor:pointer;

  color:white;

  font-size:16px;
  font-weight:800;

  background:
  linear-gradient(
    135deg,
    #22c55e,
    #16a34a
  );

  transition:.3s;

  box-shadow:
  0 15px 35px rgba(34,197,94,.35);
}

.btn:hover{
  transform:translateY(-3px);

  box-shadow:
  0 20px 40px rgba(34,197,94,.45);
}

.btn i{
  margin-right:8px;
}

/* VOLVER */

.back{
  margin-top:18px;
  text-align:center;
  color:#cbd5e1;
  cursor:pointer;
}

.back:hover{
  color:white;
}

/* RESPONSIVE */

@media(max-width:600px){

  .card{
    padding:25px;
  }

  h2{
    font-size:24px;
  }

}