:root{--primary-blue:#0a2540;--accent-blue:#007bff;--bg-light:#f8f9fa;--text-dark:#1a1a1a;--text-light:#fff;--card-bg:#fff;--border-color:#e2e8f0}body{background-color:var(--bg-light);color:var(--text-dark);margin:0;font-family:Noto Sans KR,sans-serif}.btn-primary{background-color:var(--primary-blue);color:var(--text-light);cursor:pointer;border:none;border-radius:6px;padding:10px 20px;font-weight:700;transition:all .3s}.btn-primary:hover{background-color:var(--accent-blue)}