*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#04070c;
  --panel:#080f18;
  --panel2:#0b1622;
  --cyan:#00ffd5;
  --blue:#38bdf8;
  --red:#ff3b5c;
  --text:#d9f7ff;
  --muted:#7b93a8;
  --border:rgba(0,255,213,.18);
}
html,body{height:100%}
body{
  font-family:"JetBrains Mono",Consolas,monospace;
  background:var(--bg);
  color:var(--text);
  overflow-x:hidden;
}
.grid-bg{
  position:fixed;inset:0;z-index:-2;
  background:
    linear-gradient(rgba(0,255,213,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,255,213,.055) 1px,transparent 1px);
  background-size:38px 38px;
}
.scanlines{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:repeating-linear-gradient(to bottom,rgba(255,255,255,.025) 0 1px,transparent 1px 3px);
}
.hidden{display:none!important}
.muted{color:var(--muted)}

.lock-screen{
  min-height:100vh;display:grid;place-items:center;padding:24px;
}
.terminal-card{
  width:min(460px,100%);
  background:linear-gradient(160deg,rgba(8,15,24,.96),rgba(4,7,12,.98));
  border:1px solid var(--border);
  border-radius:14px;
  box-shadow:0 0 55px rgba(0,255,213,.13),inset 0 0 45px rgba(0,255,213,.04);
  padding:30px;
  animation:appear .35s ease;
}
@keyframes appear{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.terminal-header{display:flex;align-items:center;gap:7px;margin-bottom:24px}
.dot{width:10px;height:10px;border-radius:50%}
.red{background:#ff5f57}.yellow{background:#ffbd2e}.green{background:#28c840}
.terminal-title{margin-left:8px;font-size:11px;color:var(--muted)}
h1{font-size:30px;letter-spacing:3px;margin-bottom:8px}
h1 span{color:var(--cyan);text-shadow:0 0 18px rgba(0,255,213,.55)}
form label{display:block;font-size:11px;letter-spacing:2px;color:var(--muted);margin:22px 0 8px}
input{
  width:100%;background:#020609;border:1px solid rgba(0,255,213,.28);color:var(--cyan);
  padding:14px;border-radius:8px;font:inherit;letter-spacing:3px;outline:none;
}
input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,255,213,.12)}
button{
  width:100%;margin-top:15px;padding:14px;border:0;border-radius:8px;cursor:pointer;
  font:inherit;font-weight:700;letter-spacing:2px;color:#02110d;
  background:linear-gradient(90deg,var(--cyan),var(--blue));
  transition:.18s;
}
button:hover{filter:brightness(1.12);box-shadow:0 0 24px rgba(0,255,213,.25)}
.status{margin-top:14px;font-size:12px;color:var(--muted)}
.status.error{color:var(--red)}
.status.ok{color:var(--cyan)}
.footer{margin-top:24px;padding-top:16px;border-top:1px solid rgba(255,255,255,.06);font-size:10px;color:var(--muted);text-align:center}

.portal{min-height:100vh;display:flex;flex-direction:column;max-width:1100px;margin:auto;padding:24px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:36px}
.brand{font-size:22px;font-weight:800;letter-spacing:2px}
.brand span{color:var(--cyan)}
.controls{display:flex;align-items:center;gap:12px}
.timer{border:1px solid var(--border);padding:8px 12px;border-radius:999px;color:var(--cyan);font-size:12px}
.ghost-btn{width:auto;margin:0;padding:9px 15px;background:transparent;color:var(--cyan);border:1px solid var(--border)}
.ghost-btn:hover{background:rgba(0,255,213,.08);box-shadow:none}

.hero{margin-bottom:35px}
.hero h2{font-size:clamp(26px,5vw,44px);letter-spacing:3px;margin-bottom:12px}
.hero p{color:var(--muted);max-width:660px;line-height:1.6}
code{color:var(--cyan)}
.badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.badge{
  border:1px solid var(--border);color:var(--cyan);background:rgba(0,255,213,.05);
  padding:7px 12px;border-radius:999px;font-size:10px;letter-spacing:1px;
}

.file-panel{
  background:linear-gradient(160deg,rgba(8,15,24,.9),rgba(4,7,12,.95));
  border:1px solid var(--border);border-radius:14px;overflow:hidden;
  box-shadow:0 0 35px rgba(0,255,213,.07);
}
.panel-head{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid rgba(255,255,255,.06)}
.panel-head h3{color:var(--cyan);font-size:16px}
.file-list{list-style:none}
.file-list li{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 24px;border-bottom:1px solid rgba(255,255,255,.05)}
.file-list li:last-child{border-bottom:0}
.file-list li:hover{background:rgba(0,255,213,.035)}
.file-info{display:flex;align-items:center;gap:14px}
.file-icon{
  min-width:46px;height:46px;display:grid;place-items:center;border-radius:8px;
  font-size:10px;font-weight:800;color:#02110d;
}
.exe{background:linear-gradient(135deg,#ff3b5c,#ff8a5c)}
.cpp{background:linear-gradient(135deg,#38bdf8,#00ffd5)}
.py{background:linear-gradient(135deg,#ffd75e,#00ffd5)}
.file-info strong{display:block}
.file-info small{color:var(--muted)}
.download{
  color:var(--cyan);text-decoration:none;border:1px solid var(--border);
  padding:9px 16px;border-radius:7px;font-size:11px;letter-spacing:1px;transition:.18s;
}
.download:hover{background:rgba(0,255,213,.1);box-shadow:0 0 18px rgba(0,255,213,.18)}

.site-footer{
  margin-top:auto;padding-top:35px;display:flex;justify-content:space-between;gap:10px;
  color:var(--muted);font-size:10px;letter-spacing:1px;
}
.toast{
  position:fixed;bottom:25px;left:50%;transform:translateX(-50%) translateY(90px);
  background:#0b1622;border:1px solid var(--red);color:var(--red);
  padding:12px 18px;border-radius:8px;font-size:12px;transition:.25s;z-index:20;
}
.toast.show{transform:translateX(-50%) translateY(0)}
@media(max-width:620px){
  .file-list li{flex-direction:column;align-items:stretch}
  .download{text-align:center}
  .site-footer{flex-direction:column;text-align:center}
}