:root{--bg:#080b17;--card:rgba(255,255,255,.06);--txt:#eaf2ff;--acc:#3ad5ff;--muted:#9db2d1}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial;background:var(--bg);color:var(--txt)}a{color:var(--acc)}
.main-nav{display:flex;gap:.5rem;flex-wrap:wrap;padding:.75rem;background:rgba(15,22,48,.96);position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.12)}
.main-nav a{padding:.55rem .8rem;border-radius:10px;background:rgba(255,255,255,.06);text-decoration:none;color:var(--txt);white-space:nowrap}
.main-nav a.active{background:linear-gradient(90deg,#2f6dff,#31d1ff);color:#00101f;font-weight:700}
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:1rem}.card{background:var(--card);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:1rem}.top{display:flex;gap:.75rem;align-items:center;justify-content:space-between;padding:1rem;flex-wrap:wrap}.grid{display:grid;gap:1rem;padding:1rem}.modules{display:grid;gap:.75rem}.module{display:block;padding:1rem;border-radius:12px;background:#0f1630;color:var(--txt);text-decoration:none;border:1px solid transparent}.module:hover{border-color:#2e5fff}input,button,textarea,select{width:100%;padding:.8rem;border-radius:10px;border:1px solid #334;background:#0c1329;color:var(--txt)}button{background:linear-gradient(90deg,#2f6dff,#31d1ff);border:none;color:#00101f;font-weight:700;cursor:pointer}.error{color:#ff8ea1}.muted{color:var(--muted)}
@media (max-width:760px){.main-nav{position:fixed;bottom:0;top:auto;left:0;right:0;overflow:auto;flex-wrap:nowrap;padding:.5rem;background:#0b1228}.main-nav a{font-size:.82rem;padding:.5rem .6rem}.grid{padding-bottom:4.5rem}}
@media (min-width:900px){.grid{grid-template-columns:1fr 1fr}}