:root{
  --bg:#05030d;
  --violet:#7c3aed;
  --violet-soft:#a78bfa;
  --cyan:#5eead4;
  --text:#f4f2ff;
  --muted:#a39fc2;
  --field:#0c0a1a;
  --field-border:#26223f;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  min-height:100vh;
}

/* ---------- Fondo espacial ---------- */
.space{position:fixed;inset:0;z-index:0;overflow:hidden}
.space::before{ /* nebulosa superior */
  content:"";position:absolute;left:50%;top:-30%;
  width:120vw;height:90vh;transform:translateX(-50%);
  background:radial-gradient(ellipse at center, rgba(124,58,237,.55) 0%, rgba(76,29,149,.35) 35%, transparent 70%);
  filter:blur(10px);
}
.grid{ /* cuadrícula sutil */
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(167,139,250,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(167,139,250,.05) 1px, transparent 1px);
  background-size:14px 14px;
  mask-image:radial-gradient(ellipse at 50% 20%, #000 0%, transparent 65%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 20%, #000 0%, transparent 65%);
}
canvas#stars{position:absolute;inset:0;width:100%;height:100%}

/* planeta con borde brillante */
.planet{
  position:absolute;left:50%;top:36vh;
  width:260vw;height:260vw;transform:translateX(-50%);
  border-radius:50%;
  background:radial-gradient(circle at 50% 0%, #120a2a 0%, #07040f 12%, var(--bg) 30%);
  box-shadow:
    0 -2px 0 rgba(216,200,255,.9),
    0 -10px 30px rgba(167,139,250,.9),
    0 -40px 120px rgba(124,58,237,.8),
    0 -120px 260px rgba(124,58,237,.45);
}

/* estrellas flotantes 3D */
.float-star{
  position:absolute;width:46px;height:46px;z-index:1;
  filter:drop-shadow(0 0 14px rgba(94,234,212,.55));
  animation:float 6s ease-in-out infinite;
}
.float-star.s1{left:13%;top:34%;animation-delay:-1s}
.float-star.s2{right:17%;top:19%;animation-delay:-3s;width:40px;height:40px}
.float-star.s3{right:9%;bottom:14%;animation-delay:-4.5s;width:28px;height:28px;opacity:.7}
@keyframes float{
  0%,100%{transform:translateY(0) rotate(-8deg)}
  50%{transform:translateY(-16px) rotate(8deg)}
}

/* ---------- Tarjeta ---------- */
.wrap{position:relative;z-index:2;width:100%;max-width:420px;padding:0 16px;margin-top:40px}
.card{
  position:relative;
  background:linear-gradient(180deg, rgba(40,22,85,.55) 0%, rgba(12,8,28,.75) 45%, rgba(8,6,18,.85) 100%);
  border:1px solid rgba(167,139,250,.18);
  border-radius:22px;
  padding:82px 34px 34px;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 30px 80px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.06);
  animation:rise .8s cubic-bezier(.2,.8,.2,1) both;
}
@keyframes rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}

.logo{
  position:absolute;left:50%;top:-52px;transform:translateX(-50%);
  width:104px;height:104px;border-radius:28px;
  background:
    radial-gradient(circle at 30% 20%, rgba(255,255,255,.55), transparent 45%),
    linear-gradient(145deg, #67e8f9 0%, #38bdf8 35%, #8b5cf6 80%, #6d28d9 100%);
  box-shadow:
    0 0 0 1px rgba(255,255,255,.25) inset,
    0 -6px 18px rgba(255,255,255,.25) inset,
    0 18px 50px rgba(124,58,237,.6),
    0 0 60px rgba(94,234,212,.35);
  display:flex;align-items:center;justify-content:center;
}
.logo svg{width:62px;height:62px;filter:drop-shadow(0 4px 8px rgba(30,10,80,.45))}

h1{font-size:24px;font-weight:700;text-align:center;letter-spacing:-.01em}
h1 span{background:linear-gradient(90deg,#c4b5fd,#5eead4);-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{margin:8px auto 28px;max-width:300px;text-align:center;font-size:13px;line-height:1.5;color:var(--muted)}

.field{position:relative;margin-bottom:14px}
.field input{
  width:100%;height:46px;padding:0 44px 0 14px;
  background:var(--field);
  border:1px solid var(--field-border);
  border-radius:10px;
  color:var(--text);font:inherit;font-size:14px;
  outline:none;transition:border-color .2s, box-shadow .2s;
}
.field input::placeholder{color:#6b6790}
.field input:focus{border-color:var(--violet-soft);box-shadow:0 0 0 3px rgba(139,92,246,.2)}
.field .icon{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:#6b6790;background:none;border:0;cursor:pointer;display:flex}
.field .icon svg{width:18px;height:18px}

.row{display:flex;align-items:center;justify-content:space-between;margin:4px 0 22px;font-size:13px;color:var(--muted)}
.check{display:flex;align-items:center;gap:8px;cursor:pointer}
.check input{appearance:none;width:15px;height:15px;border:1px solid #4a4570;border-radius:4px;background:var(--field);cursor:pointer;display:grid;place-content:center}
.check input:checked{background:var(--violet);border-color:var(--violet)}
.check input:checked::after{content:"";width:8px;height:4px;border:2px solid #fff;border-top:0;border-right:0;transform:rotate(-45deg) translate(1px,-1px)}
a{color:var(--violet-soft);text-decoration:none}
a:hover{color:#ddd6fe}

.btn{
  width:100%;height:46px;border:0;border-radius:10px;cursor:pointer;
  font:inherit;font-size:14px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#fff;
  background:
    radial-gradient(ellipse at 15% 20%, rgba(255,255,255,.55), transparent 50%),
    linear-gradient(90deg, #c4b5fd 0%, #8b5cf6 55%, #7c3aed 100%);
  box-shadow:0 10px 30px rgba(124,58,237,.45);
  transition:transform .15s, box-shadow .2s, filter .2s;
}
.btn:hover{filter:brightness(1.08);box-shadow:0 14px 40px rgba(124,58,237,.6)}
.btn:active{transform:scale(.98)}

.msg{min-height:18px;margin-top:14px;text-align:center;font-size:13px;color:#fca5a5}
.foot{margin-top:18px;text-align:center;font-size:12px;color:#5f5a85}

/* ---------- Mensajes ---------- */
.msg.ok{color:#86efac}
.msg.info{color:#c4b5fd}

/* ---------- Panel interno ---------- */
body.app{display:block;overflow:auto}
body.app .planet{top:62vh;opacity:.55}
.topbar{
  position:sticky;top:0;z-index:5;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 28px;
  background:rgba(8,6,18,.6);
  border-bottom:1px solid rgba(167,139,250,.12);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.brand .mini{
  width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(circle at 30% 20%, rgba(255,255,255,.5), transparent 45%),linear-gradient(145deg,#67e8f9,#38bdf8 35%,#8b5cf6 80%,#6d28d9);
  box-shadow:0 6px 18px rgba(124,58,237,.45);
}
.brand .mini svg{width:22px;height:22px}
.nav{display:flex;align-items:center;gap:6px;font-size:13px}
.nav a{padding:8px 12px;border-radius:8px;color:var(--muted)}
.nav a:hover,.nav a.active{background:rgba(139,92,246,.14);color:var(--text)}
.nav a.out{color:#fca5a5}
.page{position:relative;z-index:2;max-width:1100px;margin:0 auto;padding:40px 24px 80px}
.page h2{font-size:28px;font-weight:700;letter-spacing:-.02em}
.page .lead{margin-top:6px;color:var(--muted);font-size:14px}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px;margin-top:28px}
.tile{
  padding:22px;border-radius:16px;
  background:linear-gradient(180deg, rgba(40,22,85,.45), rgba(10,7,22,.8));
  border:1px solid rgba(167,139,250,.14);
  transition:transform .2s, border-color .2s;
}
.tile:hover{transform:translateY(-3px);border-color:rgba(167,139,250,.35)}
.tile .ic{width:40px;height:40px;border-radius:11px;display:flex;align-items:center;justify-content:center;background:rgba(139,92,246,.18);color:#c4b5fd;margin-bottom:14px}
.tile .ic svg{width:20px;height:20px}
.tile h3{font-size:16px;font-weight:600}
.tile p{margin-top:6px;font-size:13px;line-height:1.5;color:var(--muted)}
.badge{display:inline-block;margin-top:14px;padding:3px 9px;border-radius:99px;font-size:11px;font-weight:600;letter-spacing:.04em;background:rgba(94,234,212,.12);color:var(--cyan)}
.panel-card{
  max-width:440px;margin-top:28px;padding:28px;border-radius:18px;
  background:linear-gradient(180deg, rgba(40,22,85,.45), rgba(10,7,22,.85));
  border:1px solid rgba(167,139,250,.16);
}
.panel-card label{display:block;margin:0 0 6px;font-size:12px;color:var(--muted)}
@media (max-width:640px){
  .topbar{padding:12px 16px}
  .nav a{padding:8px}
  .page{padding:28px 16px 60px}
}