body { font-family: Arial, sans-serif; background: #f4f7f9; padding: 20px; display: flex; flex-direction: column; align-items: center; }
        .box { background: white; padding: 20px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); width: 100%; max-width: 500px; }
        input, button { width: 100%; padding: 10px; margin: 8px 0; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; }
        button { background: #02002f; color: white; border: none; cursor: pointer; }
        table { width: 100%; border-collapse: collapse; margin-top: 15px; }
        th, td { border-bottom: 1px solid #ddd; padding: 8px; text-align: left; font-size: 0.9rem; }
        nav { margin-bottom: 20px; } nav a { margin: 0 10px; text-decoration: none; color: #02002f; font-weight: bold; }