:root{--bg:#0b0e11;--card:#11161b;--txt:#eef3f7;--muted:#9fb0bd;--acc:#4cc9f0}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu;color:var(--txt);background:var(--bg)}
.container{max-width:1100px;margin:0 auto;padding:20px}
nav{display:flex;justify-content:space-between;align-items:center;padding:14px 0}
.logo{display:flex;gap:10px;align-items:center}
.card{background:var(--card);border-radius:16px;padding:20px;box-shadow:0 8px 30px rgba(0,0,0,.3)}
.grid{display:grid;gap:16px}
@media(min-width:800px){.grid-2{grid-template-columns:1fr 1fr}}
button,.btn{background:var(--acc);color:#001018;border:0;padding:12px 16px;border-radius:10px;cursor:pointer;font-weight:600}
input,select,textarea{width:100%;padding:12px;border-radius:10px;border:1px solid #22303b;background:#0e141a;color:#e5f2fb}
label{display:block;margin:10px 0 6px;color:var(--muted)}
small{color:var(--muted)}
.ad{display:block;text-align:center;margin:16px 0}