:root{
  --bg: #0b1020;
  --card: #0f172a;
  --muted: #a3aed0;
  --text:  #e2e8f0;
  --accent: #6366f1;
  --ring: rgba(99,102,241,.35);
  --chip: #121a35;
  --border: #1e293b;
  --ok: #22c55e;
  --warn:#f59e0b;
  --danger:#ef4444;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 10% -10%, rgba(99,102,241,.15), transparent 40%),
              radial-gradient(800px 400px at 90% -20%, rgba(20,184,166,.15), transparent 50%),
              var(--bg);
  color: var(--text);
}
header{
  max-width: 1100px; margin: 32px auto 16px; padding: 0 16px;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
}
.brand{font-weight:800; letter-spacing:-.02em; font-size: clamp(22px,2.8vw,28px)}
.brand .mark{color: var(--accent)}
.card{
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0));
  border: 1px solid var(--border);
  border-radius: 18px; padding: 16px;
  backdrop-filter: blur(6px);
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}
.search{
  max-width: 1100px; margin: 0 auto; padding: 0 16px 8px;
  display:grid; grid-template-columns: 1fr auto; gap:12px;
}
.input{
  display:flex; align-items:center; gap:10px; padding: 12px 14px;
  background: var(--card); border:1px solid var(--border); border-radius: 14px;
  outline:none; transition: box-shadow .2s,border-color .2s;
}
.input:focus-within{ box-shadow: 0 0 0 4px var(--ring); border-color: var(--accent) }
.input input{ flex:1; background:transparent; border:none; color:var(--text); font-size:16px; outline:none }
.btn{
  padding: 12px 18px; border-radius: 14px; border:1px solid #2d3a55;
  background: linear-gradient(180deg, #4f46e5, #4338ca); color:white; font-weight:600; cursor:pointer;
  box-shadow: 0 10px 20px rgba(79,70,229,.3);
}
.btn:hover{ filter:brightness(1.06) }
.btn:active{ transform: translateY(1px) }

main{ max-width:1100px; margin: 16px auto 60px; padding: 0 16px; }
.grid{ display:grid; grid-template-columns: 1fr; gap:16px }
@media(min-width:900px){ .grid{ grid-template-columns: 360px 1fr } }

.profile{ display:flex; gap:14px }
.avatar{ width:84px; height:84px; border-radius:16px; object-fit:cover; border:1px solid var(--border) }
.name{ font-weight:700; font-size:20px }
.muted{ color: var(--muted) }
.chips{ display:flex; flex-wrap:wrap; gap:8px; margin-top:10px }
.chip{ background: var(--chip); border:1px solid var(--border); border-radius:999px; padding:6px 10px; font-size:12px }
.stats{ display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap:10px; margin-top:14px }
.stat{ background: var(--card); border:1px solid var(--border); border-radius:12px; padding:12px }
.stat .k{ font-size:12px; color:var(--muted) }
.stat .v{ font-weight:700; font-size:20px; margin-top:6px }

.panel{ display:grid; grid-template-columns: 1fr; gap:16px }
@media(min-width:720px){ .panel{ grid-template-columns: 1fr 1fr } }
.panel .card{ min-height: 280px }

.repos-head{ display:flex; align-items:center; justify-content:space-between; gap:12px; margin-top:4px }
.controls{ display:flex; flex-wrap:wrap; gap:8px }
.control{ background:var(--card); border:1px solid var(--border); border-radius:10px; padding:8px 10px; color:var(--text) }
.switch{ display:inline-flex; align-items:center; gap:8px; font-size:14px }

.repo-grid{ display:grid; grid-template-columns: 1fr; gap:12px; margin-top:14px }
@media(min-width:720px){ .repo-grid{ grid-template-columns: 1fr 1fr } }
@media(min-width:1100px){ .repo-grid{ grid-template-columns: 1fr 1fr 1fr } }
.repo{
  background: var(--card); border:1px solid var(--border); border-radius:14px; padding:14px; transition: transform .15s, box-shadow .2s;
}
.repo:hover{ transform: translateY(-2px); box-shadow: 0 10px 20px rgba(0,0,0,.25) }
.repo .title{ display:flex; align-items:center; justify-content:space-between; gap:8px }
.repo a{ color:#93c5fd; font-weight:600; text-decoration:none }
.repo a:hover{ text-decoration:underline }
.badges{ display:flex; flex-wrap:wrap; gap:8px; margin-top:10px; font-size:12px }
.badge{ background:#0b1630; border:1px solid #1f2b4a; border-radius:999px; padding:6px 10px }
.desc{ color:var(--muted); font-size:13px; margin-top:8px }

.error{ border:1px solid rgba(239,68,68,.35); background:rgba(239,68,68,.07); color:#fecaca; padding:12px; border-radius:12px }
.skeleton{ height:84px; border-radius:14px; background:linear-gradient(90deg,#1c2542, #0f172a 40%, #1c2542 60%); background-size: 200% 100%; animation:s 1.2s linear infinite }
@keyframes s{ to{ background-position: -200% 0 } }

footer{ opacity:.7; text-align:center; font-size:12px; margin-top: 26px }