:root{
  --bg:#0f1724;
  --card:#0f1724;
  --panel:#0b1220;
  --accent:#7c3aed;
  --accent-2:#06b6d4;
  --muted:#94a3b8;
  --glass: rgba(255,255,255,0.03);
  --radius:12px;
  --maxw:1100px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial;
  color:#e6eef8;
  background: linear-gradient(180deg,var(--bg) 0%, #081024 100%);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.45;
}

/* wrapper */
.wrap{max-width:var(--maxw);margin:28px auto;padding:20px}

/* header/nav */
.header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:56px;height:56px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:flex;align-items:center;justify-content:center;font-weight:800;color:white;font-size:20px;box-shadow:0 8px 30px rgba(0,0,0,0.45)}
.brand h1{margin:0;font-size:20px}
.tag{color:var(--muted);font-size:13px}

/* nav links */
nav ul{list-style:none;display:flex;gap:8px;padding:0;margin:0;align-items:center}
nav a{display:inline-block;padding:8px 12px;border-radius:10px;text-decoration:none;color:var(--muted);border:1px solid rgba(255,255,255,0.04);background:transparent}
nav a.primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:white;border:0;box-shadow:0 8px 30px rgba(124,58,237,0.12)}

/* hero */
.hero{display:grid;grid-template-columns:1fr 420px;gap:24px;align-items:start}
.card{background:var(--card);padding:22px;border-radius:var(--radius);box-shadow:0 6px 30px rgba(2,6,23,0.6)}
.lead{color:var(--muted);margin-bottom:12px}
.features{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:12px}
.feature{background:var(--glass);padding:12px;border-radius:10px;color:var(--muted)}

/* inputs/buttons */
.input{width:100%;padding:10px;border-radius:8px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:inherit}
.btn{padding:9px 12px;border-radius:10px;border:1px solid rgba(255,255,255,0.06);background:transparent;color:var(--muted);cursor:pointer}
.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:white;border:0}

/* lists/cards */
.list{background:var(--panel);padding:12px;border-radius:10px;margin-top:12px}
.list li{padding:10px;border-bottom:1px solid rgba(255,255,255,0.02);display:flex;justify-content:space-between;align-items:center}

/* auth */
.auth-body{display:flex;align-items:center;justify-content:center;min-height:80vh;background:linear-gradient(180deg,var(--bg) 0%, #07101a 100%)}
.auth-card{width:420px;background:var(--card);padding:24px;border-radius:12px;box-shadow:0 8px 30px rgba(2,6,23,0.6);text-align:center}
.auth-card h1{color:var(--accent);margin-bottom:8px}
.auth-card input{width:100%;padding:10px;margin:8px 0;border-radius:8px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:inherit}

/* page layout */
.page-content{max-width:980px;margin:0 auto;padding:20px}
.page-content h1{margin-top:0}
.result-card{background:var(--panel);padding:12px;border-radius:10px;margin-top:12px;color:var(--muted)}

/* grid and helpers */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:12px}
.feature-card{background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));padding:14px;border-radius:10px;box-shadow:inset 0 1px 0 rgba(255,255,255,0.02)}

/* small */
.small{font-size:0.9rem;color:var(--muted)}

footer{margin-top:28px;color:var(--muted);font-size:13px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap}

/* responsive */
@media (max-width:880px){
  .hero{grid-template-columns:1fr}
  .features{grid-template-columns:1fr}
  nav ul{flex-wrap:wrap}
}