body { font-family: 'Segoe UI', Arial, sans-serif; background-color: #0f172a; color: #f8fafc; margin: 0; padding: 0; line-height: 1.6; }
header { background-color: #1e293b; padding: 20px 0; border-bottom: 1px solid #334155; }
nav { max-width: 1000px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 0 20px; }
.logo { font-size: 24px; font-weight: bold; color: #38bdf8; text-decoration: none; }
nav a { color: #cbd5e1; text-decoration: none; margin-left: 20px; }
nav a:hover { color: #38bdf8; }
.container { max-width: 1000px; margin: 40px auto; padding: 20px; }
.card { background: #1e293b; padding: 30px; border-radius: 8px; margin-bottom: 20px; box-shadow: 0 4px 6px rgba(0,0,0,0.3); }
h1, h2 { color: #38bdf8; }
footer { text-align: center; padding: 20px; color: #64748b; margin-top: 40px; border-top: 1px solid #334155; }