body{margin:0;font-family:Arial,sans-serif;background:#f4f6fb;color:#222}
a{text-decoration:none}
.login{min-height:100vh;background:linear-gradient(135deg,#251046,#6F2CFF);overflow:hidden}
.split{display:grid;grid-template-columns:420px 1fr;min-height:100vh}
.card{margin:auto;background:rgba(255,255,255,.96);padding:32px;border-radius:18px;box-shadow:0 15px 35px rgba(0,0,0,.15);width:340px;z-index:2}
input{width:100%;padding:12px;margin:8px 0;border:1px solid #ddd;border-radius:8px;box-sizing:border-box}
button{width:100%;padding:12px;background:#FF7A00;color:#fff;border:0;border-radius:8px}
.hero{position:relative;color:#fff;display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:bold}
.smoke{position:absolute;inset:0;background:radial-gradient(circle at 30% 30%, rgba(255,255,255,.18), transparent 30%),radial-gradient(circle at 70% 60%, rgba(255,255,255,.12), transparent 35%);animation:float 8s infinite alternate}
@keyframes float{from{transform:translateY(0)}to{transform:translateY(-20px)}}
.topbar{display:flex;justify-content:space-between;padding:15px 20px;background:rgba(255,255,255,.8);backdrop-filter:blur(8px);position:sticky;top:0}
.layout{display:grid;grid-template-columns:220px 1fr}
.sidebar{min-height:calc(100vh - 54px);background:#2a1452;color:#fff;padding:20px;display:flex;flex-direction:column;gap:12px}
.sidebar a{color:#fff;padding:10px;border-radius:8px}
.sidebar a:hover{background:rgba(255,255,255,.08)}
.main{padding:24px}
.welcome{background:#fff;padding:20px;border-radius:16px;box-shadow:0 10px 20px rgba(0,0,0,.06)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:18px}
.box{background:#fff;padding:20px;border-radius:16px;box-shadow:0 10px 20px rgba(0,0,0,.06)}
footer{margin-top:15px;font-size:12px}
footer a{color:#6F2CFF}
@media(max-width:900px){.split{grid-template-columns:1fr}.hero{display:none}.layout{grid-template-columns:1fr}.sidebar{display:none}}