:root{
  --bg:#000;
  --card:#111;
  --cyan:#0ff;
  --blue:#00f;
  --text:#fff;
  --muted:#bbb;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: Arial, sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100dvh;
}

header{
  padding:28px 16px 20px;
  text-align:center;
  background:linear-gradient(90deg,#0f0f0f,#1a1a1a);
  border-bottom:2px solid var(--cyan);
  position:sticky; top:0; z-index:10;
}

header h1{
  margin:0 0 14px;
  font-size:28px;
  letter-spacing:.5px;
  color:var(--cyan);
  text-shadow:0 0 10px var(--cyan), 0 0 20px var(--blue);
}

form{
  display:flex;
  gap:10px;
  justify-content:center;
  max-width:720px;
  margin:0 auto;
}

input{
  flex:1;
  padding:12px 14px;
  border-radius:10px;
  border:1px solid #222;
  background:#0b0b0b;
  color:#eee;
  outline:none;
  box-shadow: inset 0 0 10px rgba(0,255,255,.08);
}

button{
  padding:12px 16px;
  border:none;
  border-radius:10px;
  font-weight:bold;
  background:var(--cyan);
  color:#000;
  cursor:pointer;
  box-shadow:0 0 10px var(--cyan), 0 0 20px var(--blue);
  transition:transform .25s, box-shadow .25s, background .25s, color .25s;
}
button:hover{
  transform:translateY(-2px) scale(1.03);
  background:var(--blue);
  color:#fff;
  box-shadow:0 0 16px var(--cyan), 0 0 30px var(--blue);
}

#result{
  padding:28px 16px 56px;
  max-width:980px;
  margin:0 auto;
  display:grid;
  gap:20px;
}

.card{
  background:var(--card);
  border-radius:16px;
  padding:20px;
  box-shadow:0 0 15px rgba(0,255,255,.25), 0 0 25px rgba(0,0,255,.18);
  transition:transform .3s, box-shadow .3s;
}
.card:hover{
  transform:translateY(-6px);
  box-shadow:0 0 22px rgba(0,255,255,.5), 0 0 34px rgba(0,0,255,.35);
}

.profile{
  display:grid;
  grid-template-columns:120px 1fr;
  gap:16px;
  align-items:center;
}
@media (max-width:560px){
  .profile{ grid-template-columns:1fr; text-align:center; }
}

.avatar{
  width:120px; height:120px; border-radius:12px; object-fit:cover;
  box-shadow:0 0 14px rgba(255,255,255,.15);
}

.name{
  margin:0;
  font-size:22px;
  color:var(--cyan);
  text-shadow:0 0 10px var(--cyan), 0 0 18px var(--blue);
}
.bio{ color:var(--muted); margin:6px 0 10px; }

.badges{
  display:flex; flex-wrap:wrap; gap:10px; margin-top:6px;
}
.badge{
  padding:6px 10px; border-radius:999px;
  background:#0b0b0b;
  border:1px solid #1d1d1d;
  color:#d9d9d9;
  font-size:13px;
  box-shadow: inset 0 0 8px rgba(0,255,255,.06);
}

.actions{ margin-top:12px; }
.link{
  display:inline-block; text-decoration:none; font-weight:bold;
  background:var(--cyan); color:#000; padding:8px 12px; border-radius:10px;
  box-shadow:0 0 10px var(--cyan), 0 0 20px var(--blue);
}
.link:hover{ background:var(--blue); color:#fff; }

.section-title{
  margin:14px 2px 6px; font-size:16px; color:#9af7ff; opacity:.9;
  text-shadow:0 0 8px rgba(0,255,255,.6);
}

.repos{
  display:grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
  gap:12px; margin-top:8px;
}
.repo{
  background:#0d0d0d; border:1px solid #1a1a1a; border-radius:12px;
  padding:12px;
  box-shadow:0 0 10px rgba(0,255,255,.12);
}
.repo a{ color:#b7ffff; text-decoration:none; font-weight:600; }
.repo a:hover{ text-decoration:underline; }
.meta{ color:#9c9c9c; font-size:12px; margin-top:6px; }

.empty, .error{
  text-align:center; color:#e1e1e1; opacity:.9;
}
.error{ color:#ff9a9a; text-shadow:0 0 10px rgba(255,0,0,.35); }