:root{color-scheme:dark}*{box-sizing:border-box}body{background:radial-gradient(circle at top,#1e293b,#020617 60%);color:#e2e8f0;font-family:Inter,Segoe UI,Helvetica Neue,Arial,sans-serif;margin:0;min-height:100vh}a{color:#93c5fd;text-decoration:none}a:hover{text-decoration:underline}.top-nav{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#020617b3;border-bottom:1px solid rgba(148,163,184,.25);position:sticky;top:0;z-index:20}.nav-inner{align-items:center;display:flex;gap:16px;height:64px;justify-content:space-between;margin:0 auto;max-width:1120px;padding:0 16px}.brand{color:#f8fafc;font-size:1.1rem;font-weight:700;text-decoration:none}.auth-area,.nav-links{align-items:center;display:flex;gap:12px}.auth-area{justify-content:flex-end;min-width:220px}.email{color:#cbd5e1;max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.logout-button{background:#334155;border:0;border-radius:8px;color:#f8fafc;cursor:pointer;padding:.45rem .7rem}.logout-button:hover{background:#475569}.loading-auth{color:#94a3b8;font-size:.9rem}