:root{
  --bg:#070b14;
  --panel:#11182a;
  --panel2:#0d1322;
  --text:#f4f7ff;
  --muted:#95a2c7;
  --red:#ff4b5c;
  --cyan:#32c7ff;
  --amber:#ffb347;
  --violet:#7f5cff;
  --border:rgba(255,255,255,.12);
  --shadow:0 18px 50px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
body{
  margin:0;
  color:var(--text);
  font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,"Cascadia Mono","Segoe UI Mono","Roboto Mono",monospace;
  background:
    radial-gradient(circle at top left, rgba(255,75,92,.18), transparent 30%),
    radial-gradient(circle at top right, rgba(50,199,255,.18), transparent 30%),
    radial-gradient(circle at bottom right, rgba(127,92,255,.18), transparent 35%),
    linear-gradient(180deg,#05070d,#0a1020 55%,#090d18);
  min-height:100vh;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:url('/static/images/crt-grid.svg') center/cover no-repeat;
  opacity:.16;
}
.scanlines{
  position:fixed;
  inset:0;
  pointer-events:none;
  background:repeating-linear-gradient(to bottom, rgba(255,255,255,.04), rgba(255,255,255,.04) 1px, transparent 1px, transparent 4px);
  opacity:.1;
}
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px;position:sticky;top:0;z-index:5;
  background:rgba(4,6,12,.72);backdrop-filter:blur(10px);
}
.chrome-frame{
  border:1px solid rgba(255,255,255,.1);
  box-shadow:var(--shadow),0 0 0 1px rgba(127,92,255,.12) inset,0 0 30px rgba(50,199,255,.08) inset;
}
.brand-wrap{display:flex;gap:12px;align-items:center}
.brand-badge{
  background:linear-gradient(135deg,var(--red),var(--amber),var(--cyan));
  color:#fff;padding:10px 12px;border-radius:12px;font-weight:900;letter-spacing:.14em;font-size:12px;
  text-shadow:0 0 10px rgba(255,255,255,.25);
}
.brand{font-weight:900;font-size:20px;letter-spacing:.05em;text-transform:uppercase}
.subbrand,.hint{color:var(--muted);font-size:13px}
.container{max-width:1160px;margin:24px auto;padding:0 16px}
.panel{
  background:linear-gradient(180deg,rgba(17,24,42,.94),rgba(13,19,34,.96));
  border:1px solid var(--border);border-radius:22px;padding:18px;margin-bottom:16px;
}
.hero{padding:26px;overflow:hidden;position:relative;min-height:240px}
.hero-art{
  background:
    linear-gradient(90deg,rgba(13,19,34,.92),rgba(13,19,34,.56)),
    url('/static/images/hero-marquee.svg') right center/cover no-repeat;
}
.hero-copy{max-width:520px}
.eyebrow{color:var(--amber);font-size:12px;letter-spacing:.18em;margin-bottom:8px}
.hero h1{margin:0 0 10px;font-size:clamp(32px,4.5vw,56px);line-height:1;text-shadow:0 0 18px rgba(50,199,255,.15)}
.hero p{margin:0;color:var(--muted);font-size:16px}
.controls{display:flex;gap:12px;flex-wrap:wrap}
.control{display:flex;flex-direction:column;gap:6px;min-width:220px}
.control.grow{flex:1}
label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}
input,select,button{
  border:1px solid rgba(255,255,255,.16);background:#08101d;color:var(--text);
  border-radius:999px;padding:12px 16px;font:inherit;
}
button{cursor:pointer}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}
.group-title{margin:0 0 10px;color:var(--amber);text-transform:uppercase;letter-spacing:.08em}
.rows{display:flex;flex-direction:column}
.row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-top:1px solid rgba(255,255,255,.08)}
.row:first-child{border-top:none}
.rom-title{font-weight:800}
.rom-meta{font-size:12px;color:var(--muted);margin-top:4px}
.play-btn,.link-btn{
  text-decoration:none;color:#fff;border:none;font-weight:900;letter-spacing:.04em;
  background:linear-gradient(135deg,var(--red),var(--amber));padding:11px 16px;border-radius:999px;
  box-shadow:0 6px 18px rgba(255,75,92,.22);
}
.header-links{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.pill{
  border:1px solid rgba(255,255,255,.12);background:#08101d;border-radius:999px;
  padding:8px 12px;color:var(--muted);font-size:13px
}
.screen-wrap{
  margin-top:12px;border-radius:22px;overflow:hidden;border:1px solid rgba(255,255,255,.1);background:#000;
  box-shadow:0 0 0 2px rgba(50,199,255,.08),0 0 60px rgba(0,0,0,.4) inset;
}
#game{width:100%;height:72vh;min-height:480px}
.auth-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}
.stack{display:flex;flex-direction:column;gap:10px}
.full{grid-column:1/-1}
.wide{width:100%}
@media (max-width: 640px){
  .hero-art{background-position:72% center}
  #game{height:60vh;min-height:360px}
}