body { background: #05070a; color: white; font-family: 'Segoe UI', sans-serif; margin: 0; display: flex; height: 100vh; }
.sidebar { width: 250px; background: #0a0f18; padding: 20px; border-right: 1px solid #1a1f2b; }
.sidebar a { display: block; color: #94a3b8; text-decoration: none; padding: 12px; border-radius: 8px; margin-bottom: 5px; }
.sidebar a:hover { background: #1e293b; color: #fff; }
.main-content { flex: 1; padding: 40px; overflow-y: auto; }
.glass-card { background: rgba(255,255,255,0.02); backdrop-filter: blur(20px); padding: 40px; border-radius: 20px; border: 1px solid #1a1f2b; margin: auto; }
input, button, textarea { width: 100%; padding: 12px; margin: 10px 0; border-radius: 8px; border: 1px solid #334155; background: #000; color: #fff; }
button { background: #3b82f6; cursor: pointer; font-weight: bold; }
.mail-table { width: 100%; border-collapse: collapse; }
.mail-table td { padding: 15px; border-bottom: 1px solid #1a1f2b; }
.mail-table tr:hover { background: #0f172a; }